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11 Sunnybrook Drive
Cincinnati, OH. 45237
Phone: 513-641-4446 * 800-934-9690
Fax:
513-641-0733
www.precisiontemp.com
The Shower-Mate is a power vented automatic instantaneous water heater designed to be installed in
ventilated marine applications.
compliance with any applicable Coast Guard and ABYC recommendations.
Every water heater is inspected and tested before it leaves the factory. In order for this unit to operate
safely and effectively, all installation instructions must be followed. Failure to comply with all installation
and operating instructions will void the warranty. PrecisionTemp, Inc. will not be responsible for anything
that is a result of non-compliance.
FOR YOUR SAFETY
WHAT TO DO IF YOU SMELL GAS
• Extinguish any open flame.
• Shut off the gas supply at the gas
container or source
• Do not touch any electrical switch
or use any phone or radio in the
boat.
• Do not start the boat's engine or
electrical generator.
• Contact the nearest gas supplier or
qualified service technician for
repairs.
• If you can not reach a gas supplier
or qualified service technician,
contact the nearest fire department.
• Do not turn on the gas supply until
the gas leak(s) has been repaired.
WARNING: If the information in these
instructions is not followed exactly, a fire
or explosion may result causing
property damage, personal injury or loss
of life.
Keep this book with the water heater at all times. It contains
instructions regarding installation, operation and
maintenance of your water heater.
information, contact your dealer, your nearest service center
or PrecisionTemp.
This appliance must be installed in a ventilated compartment and in
If you need further
FOR YOUR SAFETY
DO NOT STORE OR USE GASOLINE
OR OTHER FLAMMABLE VAPORS AND
LIQUIDS IN THE VICINITY OF THIS OR
ANY OTHER APPLIANCE.
WARNING!
Improper installation, adjustment,
alteration, service or maintenance can
cause property damage, personal injury
or loss of life.
Refer to the installation
instructions and/or operating instruct-ions
provided with this appliance. A qualified
installer service agency or the gas
supplier must perform installation and
service.
Critical Installation Warnings
• All combustion air must be supplied from outside the
Boat, and all products of combustion must be vented to
outside the Boat.
• DO NOT vent water heater with venting system serving
another appliance.
• DO NOT modify water heater in any way.
• DO NOT alter water heater for a positive grounding
system.
• DO NOT HI-POT water heater unless electronic ignition
system (circuit board) has been disconnected.
• DO NOT use battery charger to supply power to water
heater even when testing.
LPG GAS ON DEMAND
WATER HEATER
Model
ShowerMate-550
Rev. 3/15
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Summary of Contents for PrecisionTemp ShowerMate-550
- Page 1 Every water heater is inspected and tested before it leaves the factory. In order for this unit to operate safely and effectively, all installation instructions must be followed. Failure to comply with all installation and operating instructions will void the warranty. PrecisionTemp, Inc. will not be responsible for anything that is a result of non-compliance.
- Page 2 Please read these instructions thoroughly before starting your installation Installation Instructions for the Shower-Mate Water Heater The Shower-Mate water heater is designed to be installed in an area that is accessible for servicing and is well ventilated. At least 20 square inches of incoming air is necessary and the power vent of the unit should always be vented to the outside with 2”...
- Page 3 1. Locate and install the flue terminus on the outside of the vessel. It must be mounted well above the waterline, while keeping the flue pipe run under 10’. If PrecisionTemp’s optional mushroom vent is used, it can be mounted on a vertical or horizontal surface. It must be located so that no water can enter the flue system and no flue gasses can re-enter the living area through hatches...
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Page 4: Wiring Diagram
excessive heat. If you use a discharge line, do not use a reducing coupling or other restriction smaller than the outlet of the relief valve. WIRING INSTRUCTIONS Allow complete drainage of both valve and line. The appliance, when installed, must be electrically grounded in accordance with local codes FOR REPLACEMENT PARTS: or, in the absence of local codes, with the National Electrical Code, ANSI/NFPA 70 and/or the DO NOT install anything less than a pressure relief... - Page 5 Temperature Adjustment Outlet water temperature can be adjusted by turning the “Summer / Winter” up 1/4 turn. Full vertical is the warmest position and full horizontal is the coolest position. “Summer / Winter” valve in “Summer” position A Note About “Navy Showers” It is recommended to take a shower just like you would at home.
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Page 6: Item Description
Exploded Parts View Note: This Illustration Show Unit with Bottom Venting Rather Than Top Venting. All Illustrated Components are Identical on Both Models. ITEM DESCRIPTION PART # Burner Assembly 1315 Burner Mounting Bracket 2454 Igniter 3328 Pressure Relief Valve 1375 Modulating Valve Assembly 3381... -
Page 7: Troubleshooting
1. Be sure the gas valve at the tank is “On”, there the trouble-shooting guide. If problems still persist, is gas in the tank and the gas line is purged of all contact PrecisionTemp for assistance. Only a air. qualified technician should do any work involving 2. - Page 8 4. The gas flow may be too low due to improper gas 1. For a period of two years from the date of purchase, PrecisionTemp will replace line diameter (under 3/8 inch outside diameter). The the complete water heater if the heat exchanger leaks due to corrosion.
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