Quote:
Originally Posted by Hikerdogs
The water lines going to the kitchen sink are 1/2" in diameter. When the faucet is fully on the pump will run almost continually to supply the volume of water the faucet can put out. Those going to the bathroom sink are reduced to reduced to 1/4" at the faucet. Even when in the full on position the faucet flow is less than 50% that of the kitchen sink.
At the reduced flow rate the pump will start, rapidly come up to pressure and shut off suddenly. This cycle is repeated several times a minute as it fulfills the volume the faucet is calling for.
The problem can be resolved by adding an accumulator on the pressure side of the pump. The accumulator will lessen the number of on/off cycles by supplying a stored volume of water. We put one on our 2001 Adventurer and our 2013 Adventurer for the very reasons you site.
We used one like this:
Shurflo Accumulator Tank - Shurflo 182-200 - Fresh Water Pumps - Camping World
They are available from almost any RV supply store.
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AS described ------pump is short cycling when using lower flowing bathroom faucet
Accumulator is a good modification.
Another one.....
Remove aerator on end of bathroom faucet
Then remove the 'flow restrictor' and re-install aerator and see if short cycling stops
Handheld showers also have them......usually in hose at shower faucet (sometimes in hose at handle)
If not removable they can be enlarged using a drill bit