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Old 11-28-2014, 06:19 PM   #1
NitroStar's Avatar
Join Date: Sep 2014
Posts: 30
Water Inlet Restriction or Check valve?

I have a 2015 Flagstaff. I don't have much water flow at any faucet. I'm new to campers though. When I flush the toilet, I hear a squeaking sound coming from under the sink sometimes. This is where the water inlet, pump, and filter are located. I borrowed a large 3/4" chicken house regulator and it made no difference to my water flow when taking a shower. Guy that loaned me the regulator told me I had a check valve or other restriction if it didn't make a difference. Any tips or comments?

2015 Forest River Flagstaff 831RESS
2000 Chevy K2500 w/5.7L gas burner
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Old 11-28-2014, 07:01 PM   #2
Rivnut's Avatar
Join Date: Feb 2014
Location: Monterey, TN cumberland Plateau
Posts: 168
city water inlet checkvalve

I have read earlier posts that there is a check valve/anti siphon valve in line from city water. It happened to me after disconnecting city water and using the pump and back to city water. I believe it is a problem with the check valve sticking. It needs to be bled to break the pressure. Search for check valve, antiphon valve in the form and you will find several cures.
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