Jayco Seismic 2021 - 12-volt Water Pump and Switch

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There must be sucient 12-volt DC power to run the water pump when your recreation
vehicle is not hooked up to city water. Once activated, the water pump (also known as the
demand pump) will self-prime, and provide water. The pump is designed for 
 Using the pump continuously or with high pressure will shorten the life of the
pump and is not covered in your warranty.
Periodically check the in-line water pump strainer for accumulated debris. To clean, shut
o the water pump, unscrew the clear cap, remove the re-useable metal strainer, clear any
debris, then reinstall.
For additional information on the care and operation of the pump, read the safety and operat-
ing information in the pump manufacturer’s owner’s manual.
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Most water pump switches illuminate when the water pump is activated. Typical switch
locations are in the back of the unit or on the monitor panel. When the water pump switch
is ON the pump runs until 45 lbs. of pressure has been achieved. The red light will stay on.
The water pump automatically recycles when pressure drops. Some cycling may occur de-
pending on the volume of water being released. Turn the water pump switch OFF when it is
not in use.
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 In some models the water pump
switch will be a black rocker switch located
near the sink cabinet
Water Purification System (if so equipped)
 If the water supply has not been used for some time, allow the water to ow for
several minutes to ush the system.
 

 When not in use, the water lter cartridge should be stored out of freezing tem-
peratures. RV antifreeze will damage the water lter cartridge.
 Filter canister is typically located in a compartment behind the
utility center.
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1. Turn o water supply using two valves located on the water lines on
each side of the canister. Water pump should be OFF.
2. Place drip pan below lter housing to catch any spillage.
3. Press the red button on top of the lter housing to release pressure.
4. Using a spanner wrench, rotate the lter housing. Unscrew the housing
completely, dump water out and remove the lter (dispose of the old
lter properly).
5. Clean the inside of the lter housing with mild detergent. Thoroughly
rinse and wipe clean.
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