NOTICE
This temperature / pressure valve may weep during initial operation. This is normal.
The valve will seat itself with use. A drain hose should be installed at this valve directed into
bilge.
If the boat is connected to the dockside water system, make sure to turn off the system
at the dock when not attended. Also make sure a pressure regulator is used to control
pressure.
OPERATING INSTRUCTIONS
1. Fill water system and completely fill tank.
2. Locate and turn remote electrical switch to
“ON”.
3. Turn switch to “OFF” position prior to draining water system.
4. The temperature / pressure valve may weep during initial operation. This is normal.
The valve will seat itself with use.
NOTE:
DO NOT OPERATE HEATER WITHOUT ELEMENT BEING SUBMERGED IN WATER.
MAINTENANCE
1. Check heat exchanger lines for leaks at regular intervals. A leak in the system will
cause coolant loss and may damage engine.
2. Flush tank periodically to help prevent build-up of deposits.
3. Protect against damage from freezing temperatures (32° F or less)
Please review the following:
a) Drain tank by fully opening drain valve. Open T&P valve to help relieve vacuum
in tank. (See item 2 in exploded view)
b) It is recommended you winterize your fresh water system. First complete step 3a,
then follow instructions of your local supplier regarding chemicals to use and how
to use them.
CAUTION
If heater has been run without water and now fails to work, fill heater tank with water and push electric
reset button high limit switch under wire access cover before calling for service.
HEAT EXCHANGER TUBING
HOSE CLAMP
SAE J53Q TYPE "E" OR EQUIVALENT
5/8" I.D. HOSE
SAE "2" OR "3" OR EQUIVALENT
ENGINE COOLANT LINES
NOTE: Whether heat exchanger tubes are out the Front or Rear the same connection
information applies.
Figure 1
3
