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Water Heater
Your RV may be equipped with either a tank (storage) water heater or tank less water heater.
The following is an overview of both systems. For detailed operating instructions, refer to
the manufacturer’s owner’s manual.
Read the safety and operating information in the manufacturer’s user guide before attempt-
ing to activate the water heater. Make sure the water heater is lled with water before use
as even momentary operation of the water heater without water in it may result in damage to
the tank and/or controls. Always open both the hot and cold water faucets when lling the
fresh water tank to allow air pockets to be forced out of the water heater.
The water heater manufacturer has preset the sensing limit to maintain the water temperature
when the water heater is activated. The thermostat on your water heater is not adjustable and
is designed to maintain a water temperature of 130°F (54°C).
The water heater does not have a pilot. It is equipped with an ignition device which auto-
matically lights the burner. Do not try to light the burner by hand.
1. Turn OFF all electric power to the water heater.
2. Turn OFF the propane supply.
3. Wait ve minutes for the propane to clear the area. Fol-
low the safety instructions listed in the manufacturer’s owner’s manual. If you do not
smell propane, go to the next step.
4. Turn ON the propane supply.
5. Turn ON electrical power to the water heater.
6. Turn the switch to the “ON” position. If the burner does not light, the system will auto-
matically attempt two more tries for ignition before lock-out occurs.
Hydrogen gas may result if you have not used the water heater for two
weeks or more.
To reduce the risk of injury under these conditions, open the hot
water faucet for several minutes at the kitchen sink before you use any
electrical appliance connected to the hot water system. If hydrogen is
present, you may hear what sounds like air escaping through the pipe as
the water begins to ow. Hydrogen gas may be present even after water
has been drained from the water heater tank. Open the faucet at the sink
and allow the system to vent for ve to ten minutes. Do not smoke or
have any open ame near the open faucet while venting. On DSI water
heater models, make sure the switch is OFF.
Do not alter the operation or change the design/construction of your wa-
ter heater. For your safety, only factory authorized parts should be used
on your water heater. Accessories marketed for recreation vehicles, such
as an “add-on” electric heating elements, are not recommended by the
manufacturer. Such items are not approved to be installed and could
create an unsafe condition and will void all warranties
then and follow the procedures listed
in the Propane System section before attempting to operate the water
heater.
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