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Water Heater Questions
:

Q1

In what sizes are your water heaters available?

 

Q2

What are the dimensions of your various water heaters?

 

Q3

What is the warranty on your water heaters?

 

Q4

What is the heat exchanger; how does it work?

 

Q5.

My heater will not heat the water on electrical hookup. What is wrong?

 

Q6.

The pressure relief valve on my water heater keeps dripping. What is wrong?

 

Q7.

How do I winterize my water heater?

 

Q8.

What is the recovery rate of a Raritan 1700 series water heater using AC power (heating element)?

 

 

 

 

 
 

 

 

 

A1

In what sizes are your water heaters available?

Raritan marine water heaters may be ordered in 6, 12 or 20 gallon sizes. They are available in either 120 volts A.C. or 240 volts A.C.

They are also available with the engine heating option, where a portion of the engine's coolant is circulated through a heat exchanger coil inside the tank to provide hot water while the boat is away from the dock. The heat exchanger option must be included in the original order; it cannot be retrofitted at a later date.

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A2

What are the dimensions of your various water heaters?

6 gallon units are 14 1/2" in diameter x 16 1/4" high with a 1" wide mounting flange at the bottom; a 16 1/2" opening is required if mounting through a hatch.

12 gallon units are 18 3/4" in diameter x 16 1/4" high with a 1" wide mounting flange at the bottom; a 20 3/4" opening is required if mounting through a hatch.

20 gallon units are 18 3/4" in diameter x 24 1/4" high with a 1" wide mounting flange at the bottom; a 20 3/4" opening is required if mounting through a hatch.

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A3

What is the warranty on your 1700 series water heaters?

All parts except the inner tank are warranted for two years from the date that the water heater is purchased. The inner tank is warranted for 5 years from the date the unit is purchased, provided that the sacrificial anode must be checked annually and replaced as required.

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A4

What is the heat exchanger; how does it work?

The heat exchanger is a coil inside the tank through which a portion of your engine's coolant is circulated, enabling you to have hot water while away from the dock without having to turn on your genset.

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A5

My heater will not heat the water on electrical hookup. What is wrong?

Have an electrician check the reset button on the water heater thermostat then for the availability of power at the connections to the water heater.

Check for power at the heating element with the tank filled with cold water and electrical power to the water heater turned on.

If power is available but the water isn't heating, the heating element has failed; if power is not available at the element, the thermostat has failed. Failure of the heating element is especially prevalent in the spring when the boat is being commissioned for the season.

Should electric power be accidentally applied to the water heater before the tank has been completely filled, the heating element will burn out in a very short time. Always be sure the tank has been filled before applying electric power.

Replacement heating elements are available from Raritan, part #WH1A-S for the screw-in element, part #WH1A for the older flanged bolt-on element. Replacement thermostats are part #WH16, for all Raritan units.

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A6

The pressure relief valve on my water heater keeps dripping. What is wrong?

The rubber seal in the pressure relief valve may have failed with age. Replacement part #WH3.

The pressure relief valves used in Raritan water heaters are set for 75 PSI or 210° F. If water temperature or pressure inside the tank exceeds these limits, the valve will unseat.

If engine coolant is being used in a Raritan water heater with heat exchanger, some of the engine coolant may have to be diverted via a bypass valve, to insure that the water in the tank does not exceed the limits of the pressure relief valve.

Review the owner's manual or contact Raritan Technical Support.

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A7

How do I winterize my water heater?

Refer to winterizing instructions in owner's manual.

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A8

What is the recovery rate of a Raritan 1700 series water heater using AC power (heating element)?

In one hour, 13 gallons U.S (49.2 Liter) of water will be heated approximately 40° F (22° C).

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Raritan Engineering. Main Office and plant in Millville, New Jersey. Phone 856-825-4900, Fax 856-825-4409. Southern office in Ft. Lauderdale, Florida. Phone 954-525-0378, Fax 954-764-3700


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Last updated: Thursday, January 13, 2011
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