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Hydro Systems
Installation Instructions
General
Requirements |
Installing
the Tub |
Operating Instructions | User
Care and Maintenance
Operating Instructions for Optional Equipment
| Warranty
|
MR. INSTALLER
Please pass these IMPORTANT instructions along to the
homeowner! |
Hydro Systems bathtubs and whirlpool bathtubs are designed and engineered for easy installation and years of trouble free enjoyment. Installation is easy if you follow the step by step instructions.
Please read all instructions before you begin the installation.
IMPORTANT SAFETY INSTRUCTIONS
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INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK,
OR INJURY TO PERSON.
WARNING: When using your Hydro Systems whirlpool tub, basic precautions should be followed, including the following:
1. READ AND FOLLOW ALL INSTRUCTIONS.
2. DANGER: To reduce the risk of injury, do not permit children to use this unit unless they are closely supervised at all times.
3. Use this unit only for its intended use as described in this manual. Do not use attachments not recommended by the manufacturer.
4. Never drop or insert any object into any opening.
5. Do not operate this unit without the cover over the suction fitting.
6. The unit must be connected only to a dedicated electrical supply circuit that is protected by a Ground Fault Circuit Interrupter
(GFCI). The GFCI must be provided by the installer and should be tested on a routine basis by the homeowner. To test the GFCI push the test button. The GFCI should interrupt power. Push the RESET button. Power should be restored. If the GFCI fails to operate in this manner there is a ground current flowing, indicating the possibility of an electric shock. Do not use the tub. Disconnect the power and have the problem corrected by a qualified service representative. Re test the GFCI and only when it is operating properly may the whirlpool tub be used.
7. A green colored terminal marked "Grounding" is provided on the exterior of the control box.
To reduce the risk of electric shock, connect this terminal to the grounding terminal of your electric service or supply panel with a conductor equivalent in size to the circuit conductors supplying this equipment.
8. SAVE THESE INSTRUCTIONS |
WARNING
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When using electrical products, basic precautions should always be followed, including the following:
1. DANGER: RISK OF ELECTRIC SHOCK. Connect only to a circuit protected by a ground-fault circuit interrupter.
2. This unit should be installed by a qualified service representative. All electrical connections should be made by a licensed electrician.
Grounding is required.
3. The installation of Hydro Systems bathtubs must meet all applicable codes and regulations.
Install to permit access for servicing. |
General
Requirements for Installation
1. WEIGHT Tubs must be installed in a location that will support the combined weight of the tub plus the water plus the bather. As a rule of thumb, this will be a maximum of 1000 lbs. for a 60" tub, 1200 lbs. for a 66" tub, and 1400 lbs. for a 72" tub.
2. TILE FLANGES Tubs can be installed as a drop-in unit, or they can be installed against one, two, or three walls. Tubs that are mounted against walls should be ordered with a tile flange on each side that will be against a wall.
3. FRAMING When framing it is best to measure the actual tub to be installed to determine framing dimensions. In the absence of the actual tub, refer to the catalog drawings or contact Hydro Systems.
The two most common types of installations are
DROP-IN and THREE-WALL installations.
| DROP-IN (Fig1):
For drop-in, or deck-mounted tubs, the finished height of the deck (X) where the tub will sit must equal the dimension from the trimmed edge of the tub to the floor at the drain end of the tub (A) plus 1". The 1" is for the mortar bed.
IMPORTANT - the deck must be level both front to back and side to side. If it is not level, the tub will not be level and it will not drain properly The opening into which the tub will be dropped should be cut 1" smaller than the tub all around. For example, for a 60" x 42" rectangular tub, an opening 58" x 40" will extend 1" under the lip of the tub all the way around. It will give plenty of support, and will provide clearance for the whirlpool system. In the case of oval and round tubs, contact Hydro Systems for a full size paper template of the tub. |

Fig.1 |
THREE-WALL:
For tubs installed in a three wall enclosure, the tub will need a rough opening the same size as its overall dimensions. For example, a 60" x 42" tub will need a space 60" x 42" for installation. . Do not include finish wall covering (wall board, tile, etc.) in the rough framing calculations. Studs and walls should be straight and plumb, and corners must be square. Stringers must be provided to support the deck where it meets the wall.
IMPORTANT - The stringers must be level both front to back and side to side. If they are not level, the tub will not be level and will not drain properly.

| On tubs with integral tile flanges, (Fig. 2a) the distance from the top of the stringer to the floor (X) must equal the distance from the underside of the tub deck to the bottom of the tub base at the drain end of the tub (A) plus 1" for the mortar bed. On tubs with integral tile flanges and a skirt panel, (Fig.2b) the distance from the top of the stringer to the floor (X) must equal the distance from the bottom of the skirt to the top of the deck (B), minus 1/4" (the thickness of the tub deck). |

Fig.2a |

Fig.2b |
| On tubs with the galvanized tile flanges, (Fig 3a) the distance from stringer to the floor (X) must equal the distance from the bottom edge of the deck at the drain end of the tub to the bottom of the tub base (A) plus 1" for the mortar bed. On tubs with galvanized tile flanges and a skirt panel, (Fig 3b) the distance from the top of the stringer to the floor (X) must equal the distance from the bottom of the skirt panel to the bottom edge of the deck where it joins the skirt panel (B). |

Fig.3a
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Fig.3b
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For installations that are any combination of decks, walls, and pony walls, use the same method to determine critical heights.
Remember that all supports must be at the same height and must establish a plane that is level front to back and side to side.
4. HOT WATER HEATER REQUIREMENTS:- Every installation is different, and many factors affect the size hot water heater needed. For example, the temperature of the water supply (city vs. well water), the temperature at which the hot water heater is set, the distance from the hot water heater to the whirlpool tub & heat loss en route, the number of bathrooms, kitchens, laundries, etc. supplied by this hot water heater and how many are in use simultaneously, the recovery time of the hot water heater, the volume of the whirlpool tub, and the desired temperature of the water in the tub all affect the size requirement. As a rule of thumb, the capacity of the hot water heater needs to be at least 75% of the capacity of the whirlpool tub.
WARNING
| When using electrical products, basic precautions should always be followed, including the following:
DANGER: RISK OF ELECTRICAL SHOCK. Connect only to a circuit protected by a ground fault circuit interrupter. Grounding is required. All electrical connections should be made by a licensed electrician. Installation of Hydro Systems bathtubs must meet all applicable codes and regulations.
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1 HP PUMP - A dedicated 110v 20 amp GFCI protected electrical circuit is required for tubs with the standard 1 HP 110v pump
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11/2 HP PUMP - A dedicated 110v 20 amp GFCI protected electrical circuit is required for tubs with the 11/2 HP 110v pump
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OPTIONAL IN LINE HEATER - An additional 110v 20 amp GFCI protected electrical circuit is required.
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OPTIONAL BLOWER SYSTEM - A dedicated 110v 20 amp GFCI protected electrical circuit is required for the optional blower system.
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OPTIONAL FIBER OPTIC LIGHTING SYSTEM, MOOD LIGHTS, 30 MIN. TIMER, AND LOW WATER PROTECTION do not require any additional electrical service.
The installation of the tub/whirlpool tub must meet all applicable regulations and codes. Access must be provided for future service or removal of the pump, control boxes and wiring after installation, without removing the tub or damaging the building structure or finish. An access panel at least 14" high by 16" wide must be located directly in front of the pump, control box, and wiring. The optional Hydro Systems skirt with removable panel will satisfy this requirement. Minimum clearance in front of any panel should be 30".
IMPORTANT
| Never move or lift the tub by the pipes or other plumbing system components. Move or
lift the tub by the deck or from under the bottom only |
1. READ ALL THE INSTRUCTIONS
before you begin the installation
2. INSPECT THE TUB
before you begin the installation. Inspect the following:
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Is it the correct model? The correct size? The correct color?
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If options or upgrades were ordered, are they complete and correct?
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If the tub was ordered with components in non-standard locations, check to make they all are in their correct locations.
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Check all components to make sure no damage occurred during shipping.
DO NOT INSTALL THE TUB
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If any of the above is not correct. Contact the dealer from whom the tub was purchased or
call Hydro Systems directly at (661) 775-0686. |
3. TEST THE WHIRLPOOL SYSTEM BEFORE YOU INSTALL THE TUB. All Hydro Systems whirlpool tubs are fully tested at the factory before shipping. However, it is the responsibility of the installer to check the system before installing the tub. If the tub is to be set in "rough framing" and can be accessed from all sides after setting, skip to paragraph 4, below. If the tub will be set in "finished framing" and can't be accessed from all sides, we recommend testing the tub outdoors before setting it. Here's how:
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Put the tub on a flat surface such as a driveway or lawn.
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Tape over the drain.
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Fill the tub with a garden hose. Fill it to at least 1" above the highest jet. If the tub has the optional Low Water
Sensor, make sure the water level sensor stud is covered.
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Plug the control box into a 110v. GFCI protected outlet.
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Start the pump by pressing the Hydro Systems Logo on the touch pad.
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Check the jets. Water should be flowing from all the jets with equal volume and force. Rotating the escutcheon of each jet will adjust the flow of water through that jet. Rotating the air control knob(s) adjusts the amount of air mixed into the water flowing through the jets.
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If the tub has optional equipment such as mood lights or fiber optics, now is the time to check those components, too. If the tub has an in-line heater, plug it into a separate 110v. GFCI protected source while the pump is running. (The heater will operate only when the pump is running). The heater's red indicator light will be on when the heater is operating.
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Check the entire system for leaks. Some components will be inaccessible after the tub is installed, so check each component and each connection all around the tub.
DO NOT INSTALL THE TUB
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If the system is leaking. Contact your dealer or call Hydro Systems at (661)
775-0686.
If the whirlpool system is performing properly and there are no leaks in the system, you are now ready to set the tub.
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4. SETTING THE TUB
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Install the waste & overflow on the
tub.
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If your tub has the standard single speed pump, remove the hold-down bolts securing the pump to the pump platform.
If it has a variable speed pump, leave the bolts in. Variable speed pumps must be bolted to the platform.
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The tub must be supported evenly around the perimeter of the deck and also under the entire bottom.
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To set the tub, mix a stiff batch of slow-setting mortar (without gravel) and pile more than enough on the floor to completely fill the space between the tub and the floor. It may be necessary to construct a dam to contain the mortar.
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Lower the tub into position. Slip the drain into the waste line as it goes down. Allow the tub to settle into the wet mortar, squishing the excess out at the sides and ends of the
tub.
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When the deck hits the supports all around, the tub is level and at the correct height.
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If the mortar is very deep, the tub may try to "float" in the mortar bed. Put eight to ten inches of water in the tub to hold it down. Allow the mortar to cure overnight before draining the tub.
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Fasten the tile flanges to the wall studs with galvanized nails or screws - pre-drill the holes first. Note - The tile flanges are not structural and must not bear any weight. The tub must be supported under the deck. If your tub has a galvanized metal tile flange, run a bead of silicone at its joint line with the deck.
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If the tub was ordered with the pump in a remote location, the pump was shipped in a box strapped inside the tub crate. All PVC pipe and fittings required to connect the pump to the whirlpool system are strapped to the tub. Remove them now. Construct a support stand for the pump so that the pump intake is higher than the suction fitting, and lower than all jets on the tub. The slope of the pipe from the suction fitting up to the pump should be a minimum of 1/8" per foot. The discharge line from the top of the pump to the tub must slope evenly up to the system. It must not go below the pump intake or above the jet closest to the pump. The pump must not hang on the pipes. It must sit on the sound dampening pad, and it must not be bolted down (unless it is a variable speed pump). Connect both pipes to the whirlpool system and thread the unions onto the pump. Be sure the "O" rings are in the unions. Hand tighten only, and do not use any type of joint sealant.
The use of any sealant voids the warranty.
If the pump is in the standard location, it is plugged into the control box. So are all accessories. Check all connections. Make sure the bolts have been removed that hold the pump to the pump platform (except ITT pumps), and plug the control box pigtail into the home's dedicated GFCI.
If the tub was ordered with the pump in a remote location, plug the pump into the control box. Plug all accessories into the control box. Check all connections and plug the control box into the home's dedicated GFCI.
DO NOT USE ABRASIVE CLEANERS TO CLEAN THE BATHTUB.
They may scratch or mar the surface. Liquid soap or a cleaner intended for fiberglass bathtubs should be used. Please refer to the USER CARE AND
MAINTENANCE section on page 7. Do NOT use wire brushes or metal tools or scrapers to remove paint drips, plaster, tar, etc. If a scraping device is required, a wood edge may be used carefully. Use
lighter fluid to remove any adhesive residue left from stickers and labels.
Operating
Instructions
WARNING
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To reduce the risk of injury, do not permit children to use this unit unless they are closely supervised at all times.
|
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Use this bathtub only for its intended use as described in this manual. Do not use attachments not recommended
by Hydro Systems
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Never insert or drop any object into any opening.
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Do not operate this unit without the cover over the suction fitting.
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Hydro Systems tubs are designed for "fill-and-drain" use. Fill the tub to use it and drain it when you are finished.
Each Hydro Systems Designer series whirlpool bathtub is equipped with these standard
features (Fig.4) :
| Electronic Soft Touch Control
- This is the on/off control switch for the whirlpool system. It bears the Hydro Systems logo. Press the logo once to turn the whirlpool system on. Press it again to turn the whirlpool system off. The whirlpool system is configured to run for thirty minutes and shut down automatically. If a longer bathing period is desired, simply press the logo to start it again. If your tub is equipped with the optional low water protection, there will be a metal (chrome or brass) stud sensor mounted on the side wall of the tub approximately 1" above the highest jet (not counting neck jets). The whirlpool system will not turn on until this sensor is covered with water. If the tub is running and the water level drops below the sensor, the pump will shut down automatically in five to seven seconds. |

Fig. 4 |
NOTE:
The pump motor is equipped with a thermal overload protector which senses current and temperature. The motor will shut down automatically in the event of an unsafe condition. If this happens, turn the whirlpool system off. When the unsafe condition has been corrected the motor is automatically ready to restart
Whirlpool Jets
- These are fully adjustable and directional. - To adjust the flow of water coming from the jets, rotate the escutcheon. Clockwise will reduce flow, counter clockwise will increase flow. To adjust the direction of the jets, point the eyeball in the desired direction. There are no moving parts inside.
Anti-Vortex Safety Suction
- This is the intake where water is drawn in for the pump. Do not operate the whirlpool system without the suction cover in place.
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User Care And
Maintenance
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WARNING
| Any service or maintenance other than described below should be performed by a qualified service representative. Call your Hydro Systems dealer for the name of a qualified service representative near you.
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To maintain the "like new" look of your Hydro Systems acrylic or gelcoat bathtub, we recommend the following easy care procedures:
* Never use abrasive cleaners
* Use common household, non-abrasive cleaners for most cleaning jobs such as Lysol Basin, Tub & Tile Cleaner(r), Glass Plus(r), Simple Green(r), Mr. Clean, and Top Job, or a mild dishwashing detergent such as Ivory(r) Liquid. Follow the manufacturers' directions and precautions. Rinse well and dry with a clean cloth.
* Do not use products such as acetone (nail polish remover), nail polish, dry cleaning solution, lacquer thinners, gasoline, pine oil, wintergreen, etc.
* Use Isopropyl (rubbing) alcohol to clean grease, oil, paint or ink. Dry with a clean soft cloth.
* Avoid using razor blades, putty knives, or other metal instruments that might scratch the surface. Small scratches can be removed by applying a thin coat of automotive paste wax and buffing lightly with a clean cloth. For deeper scratches, sand the surface lightly with 600 grit "wet or dry" sand paper, rub out with fine buffing compound, and apply a coat of wax.
WARNING:
Flush the whirlpool system periodically (at least every 90 days) as follows: Fill the tub with water, add 1/2 cup of household bleach, run the whirlpool system for 10 minutes, and drain completely. Wipe dry with a soft cloth.
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Operating Instructions
For Optional Equipment
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FIBER OPTIC LIGHTING
- Hydro Systems Optional Fiber Optic lighting: Push the button once to turn on the light. The colors will begin to change automatically. Push the button a second time to stop at the desired color. Push the button a third time to turn the lights off. If you leave the light on, it will turn itself off in one hour.
NECK MASSEUSE PILLOW
- The optional neck masseuse pillow jets can be turned on any time the whirlpool pump is running. Press the pillow key once to turn on the pillow jets. Press the key again to turn them off. To adjust the speed of the pulsating jets, press the pillow key and hold it down until the red "mode" light comes on. With the light on, you can adjust the pulse to any of three speeds. Press the minus key to slow the pulsing, press the plus key to increase it. The red mode light will remain on while you are adjusting the speed, and will turn off automatically fifteen seconds after you've finished.
RECIRCULATING WATERFALL - The optional recirculating waterfall can be turned on anytime the whirlpool pump is running. Press the waterfall key once to turn it on, press the key a second time to turn it off.
Hydro System
99/9 Limited
Warranty

Limited
Warranty for the Original Purchaser for Personal or Single
Household Use
Products
Covered –
This warranty is effective for
all Designer Series Hydro Systems Soaking, Thermal Air,
Whirlpool and Combination tubs manufactured after September 1st,
2009, and is in lieu of all other warranties.
Warranty Periods for Specific
Components & Systems
99 Year Warranty on
Combination/Whirlpool/Thermal Air/Tub Shell
Hydro Systems, Inc. warrants to
the original purchaser of the Combination, Whirlpool, Thermal
Air or Soaking Tub that the shell will maintain its structural
integrity and configuration and will be free of water loss due
to a defect in the tub shell for a period of 99 years from the
purchase date. The warranty covers the tub shell against defects
in materials and workmanship. The warranty does not apply to any
other component or plumbing component, as they are covered under
separate warranties.
9 Year Warranty on
Equipment, Components & Controls
Hydro Systems, Inc. warrants to
the original purchaser of the Combination, Whirlpool, Thermal
Air or Soaking Tub that the all support equipment, controls and
plumbing components (excluding plumbing fittings and piping) for
a period of 9 years from the purchase date. Limited labor is
covered for the first 3 years of ownership, starting from the
date of purchase and not the date of installation.
3 Year Warranty on Plumbing
Equipment & Labor
Hydro Systems, Inc. warrants to
the original purchaser of the Combination, Whirlpool, Thermal
Air or Soaking Tub that the plumbing fittings and equipment will
not leak water due to defects in materials or workmanship for a
period of 3 years from the purchase date. Limited labor for any
repair is covered for a period of 3 years for the labor aspect
of the warranty only.
Extent of Warranty
Hydro Systems, Inc., at its
option and sole discretion, will repair or replace any defective
or malfunctioning part of its system or bathtub. This limited
warranty does not include and Hydro Systems, Inc. does not
assume any liability for the finish or the wearing quality of
any working surface or plated part. Although it is never
anticipated or desired, in the event that an exact replacement
part is no longer available, an equivalent part or system will
be provided. Any consequential installation requirements are not
the responsibility of Hydro Systems, Inc.
All parts, labor and material
necessary to repair the system or bathtub are covered except
parts and aspects excluded above. If repairs cannot be made on
the premises, the cost of removal or installation of a
replacement system or bathtub and the cost of transportation to
and from Hydro Systems, Inc. are not covered. This includes, but
is not limited to, situations were adequate clearance and access
to equipment and such systems has not been provided. Costs
associated with and related to obtaining access for repair are
not covered.
Upon discovery of a defect or
malfunction, notify supplier or installer within ten (10) days
and include a description of the malfunction or defect, the date
the system was purchased and installed, the name and address of
the seller, and the name, address and residence and business
telephone numbers of the person sending the notice together with
information as to when the system can be inspected. To obtain
performance of guaranty obligations, contact Hydro Systems,
Inc., 29132 Avenue Paine, Valencia, California 91355, phone
(661) 775-0686.
Hydro Systems, Inc. assumes no
liability for damage caused by improper installation, abuse,
misuse, alteration, accident or acts of God, moving or
attempting to move the system or bathtub from original
installation, intentional recklessness or negligent acts of any
person, or repairs or attempt thereof by any firm or person
other than Hydro Systems, Inc. or its representative, loss of
use, incidental or consequential damages, or any cost or expense
incurred. Damages or defects that should be detected or
discovered by performing tests prior to installation are not
covered.
No dealer or any other person has
any authority to make any warranties or representations
concerning Hydro Systems, Inc. or its products. Accordingly,
Hydro Systems, Inc. is not responsible for any such warranties
or representations.
Acts Invalidating Warranty
Inspection of the unit prior to
installation is the responsibility of the installer or person or
persons acting on behalf of the tub owner and it is their
responsibility to make sure that the system or bathtub is free
of damage or defects. Hydro Systems, Inc., is not responsible
for any defect or damage that could have been discovered,
repaired or avoided by proper and thorough inspection and
testing prior to installation. The system or bathtub must be
fully water tested for complete and correct operation and
function prior to final installation and/or enclosure. Any
damage, including but not limited to chips, scratches, gouges,
cracks or other damage occurring due to the installation and/or
work done in close proximity to the system or bathtub is the
responsibility of the installer and/or user.
Governing Laws and Venues
For products shipped from the
United States, this warranty will be interpreted and enforced in
accordance with the laws of the State of California regardless
of any choice of law principles and excluding the application of
the United Nations Convention on Contracts for the International
Sale of Goods and INCOTERMS 2000. The parties will submit any
dispute or claim arising under or relating to this warranty to
the exclusive jurisdiction of the U.S. federal or California
state courts within the County of Los Angeles, State of
California, and the parties hereby submit to, and waive any
objection to, personal jurisdiction and venue in such courts for
such purpose.
This warranty gives you specific
legal rights, and you may also have other rights which vary from
state to state.

Hydro Systems assumes no liability for damage caused by improper installation, abuse, misuse, alterations, accident or acts of god, moving or attempting to move the system or bathtub from original installation, intentional reckless or negligent acts of any person, or repairs or attempt thereof by any firm or person other than Hydro Systems or its representative, loss of use, incidental or consequential damages, or any cost or expense incurred.
No dealer or other person has any authority to make any warranties or representations concerning Hydro Systems or its products. Accordingly, Hydro Systems is not responsible for any such warranties or representations.
This warranty gives you specific legal rights, and you may also have other rights, which vary, from state to state. |
Hydro Systems Designer Series
Whirlpool Bathtubs are listed by:
|

U.L. LISTED
Pumps
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U.L. LISTED
Hydromassage Bathtubs
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IAPMO LISTED
Uniform Swimming Pool,
Spa and Hot Tub Code
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IAPMO LISTED
Uniform Plumbing Code |
Hydro Systems Whirlpool
Bathtubs meet or exceed the requirements of:
ANSI Z124.1
ASME/ANSI A 112.19.7M
ASME/ANSI A 112.19.8M
Hydro
Systems Designer Series Installation Instructions ~ Version 2.4
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~~ Hydro Systems Whirlpool Baths ~~
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CHROME-Aah
THERAPY |
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Multi-Color
Bath Lights and Perimeter Light Systems |
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NEW! |
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