Where is the water pump - R-Vision 2014 Trail-Sport 28BHS

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2003 Jayco Designer Pump location? - Jayco RV Owners Forum

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Jun 21, 2020 - The water pump is accessed from the bottom rear of the Designer. Remove the ABS belly pan and there is the pump. Be prepared to have a helper.
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should be in the rear near water storage tank...you can listen for it if its working at all,just turn on the water and scoot around to listen.

look for a removable access panel, typically near water in line on ext of unit

Locate the water heater and access the cargo door near it. Inside the cargo door, most likely behind an access panel, you should see the water pump. The water pump need to be near the hot water heater to get the most pressure.

All water flow is pushed by the water pump unless you are connected to a hydrant with a drinking water safe hose. Make sure all valves are set for water flow from the proper source. The water pump has a switch or two in the RV, usually near sinks or toilet. If the switch is on and no pump sound, check the fuse at the house 12v fuse panel (interior lights, furnace, refrigerator, etc.) If the fuse is O.K., it's either the pump or the pump controller. Amazon com Intellitec 00 00145 100 WATER PUMP CONTROLLER 10A Automotive

Test the pump by hooking it directly to 12v supply or use a test light to see if power is available at pump wires.

One way to locate the water pump is to turn on a facet and then turn on the water pump. You should be able to hear it run as it tries to "catch up" on water flow/pressure. Look where the sound comes from. You can find the water heater from outside the RV by looking at the walls for a access door that has a screen on a portion of it. This will be the location of either the water pump or the furnace. If furnace, look for another such door.

Changing out the water pump is easy 4 screws and three to four water lines that have hose clamps. The water pump should be under one of the pull out beds and or under one of the chairs. Where ever your fresh water tank is at the pump should be right above it. You will have to take a panel or two off to aces the water pump. Hope this helps you out

Other than a leaking 4 way selector valve the probable cause would be a leaking check valve in the pump.

On the RV the city water and discharge from the fresh water pump are tied together. When on city water the discharge of the pump will have city water pressure on it. If the internal check valve on the pump is leaking, water will flow through the pump backwards and into your fresh water tank.

Typically this requires ether replacing the pump or installing a secondary check valve between the fresh water tank and the pump suction.

it does exactly what it is supposed to do,shut off water when it is full

Does unit use water ONLY from pump? If so, make sure pump is actually running by feeling the pump. Is it emitting a small vibration? That is normal and probably means pump motor is running normally. If pump housing is excessively hot, pump may be locked up. If all appears normal and still no water, most likely culprit is broken impeller inside pump "Wet End" housing. Try disconnecting INLET hose to pump and check for presence of water. If none, pump is not your issue, your tank is dry. Also check pump OUTLET (pump off) for water. Disconnect hose, switch pump on momentarily. If pump discharges water here, you have a crimped or stopped up line or possibly a stopped up filter, if so equipped.