1998 Palomino Bronco............Hot Water heater is turned off, but is open to the water supply.No leaks anywhere, no water escaping......Camper has no Grey Water tank.Surflo pump cycles for 3 seconds about every 20 minutes.Is this normal?

Dont think its normal. Water heater full? If theres any air in the heater that could cause the pump to cycle. My guess, either a faulty pump or an undiscovered leak.

If no leaks then I agree with faulty pump. There is a check valve in the pump that keeps the pressure that is probably bad. Hurts nothing, just annoying.My TT has been doing it all summer. We just turn it off between uses.

a very small leak from city water to the fresh water tank will do this. my bounder had an in line valve and Its O ring had a microscopic groove on it allowing an eventual leakage of water/pressure and would do the same thing.bumpy

Not normal.I had that problem. I replaced the check valve in the pump and it solved it.The water was leaking back into the unpressurized tank. It doesn't hurt anything but it is annoying.

Mine has been doing it for two years now. I just turn the pump off.I should add that it cycles every few hours, 3 or 4. No leaks, so I have come to the conclusion that it's the check valve.

Why does my water pump cycle every20 minutes??

KD4UPL
Explorer
Jul 27, 2013
Not normal.
I had that problem. I replaced the check valve in the pump and it solved it.
The water was leaking back into the unpressurized tank. It doesn't hurt anything but it is annoying.
Bumpyroad
Explorer
Jul 27, 2013
a very small leak from city water to the fresh water tank will do this. my bounder had an in line valve and Its O ring had a microscopic groove on it allowing an eventual leakage of water/pressure and would do the same thing.
bumpy
_DJ_1
Explorer II
Jul 27, 2013
If no leaks then I agree with faulty pump. There is a check valve in the pump that keeps the pressure that is probably bad. Hurts nothing, just annoying.

My TT has been doing it all summer. We just turn it off between uses.
nycsteve
Explorer
Jul 27, 2013
Dont think its normal. Water heater full? If theres any air in the heater that could cause the pump to cycle.
My guess, either a faulty pump or an undiscovered leak.

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Why does my water pump cycle every20 minutes??

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