Fresh Water Tank Fills Up and Overflows When My RV is Connected to City Water
SHURflo RV Water Pump
When I hook up my 1998 Lance camper to a city or fresh water source my fresh water tank fills up after a day or so, then runs out the fill valve.
I have been told by an RV repair shop that this can't happen. I am thinking a check valve in the water pump is bad allowing water to go back through the pump and fill the tank.
Can the check valve be replaced or am I better off replacing the water pump?
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ANSWER: Hi Ken thanks for submitting your question on our Ask An RV Question Page.
Based on your description it does sound like a bad check valve most likely in the Campers Fresh Water Pump.
There are a few manufacturers that make water pumps for RVs; with SHURflo (pictured at the top of this page) being the most common brand pumps in RVs. That being said; I don't know for sure what brand water pump you have in your Camper. But some water pumps do have Rebuild/Repair Kits available that include the check valve.
Installing the kit is fairly simple and straight forward, the hardest part is removing the water pump from the RV.
Of course the other option is to replace the fresh water pump with a new one. As I stated above the hardest part of this whole process is removing the existing pump depending on where your manufacturer chose to put it.
I hope this helps.
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