Forum Discussion

bondj007's avatar
bondj007
Explorer
May 02, 2016

Help! Water pump pressurizing when using hot water tank.

Decided to be a little proactive and replace my water pump. After install of my SHurflo 4008 I determined that my check valve on the hw tank needed replacing. That statement is simplifying 2 hours o...
Old-Biscuit's avatar
Old-Biscuit
Explorer III
May 03, 2016
Air is getting into system

Only place for air to get in is on the suction side of pump (discharge side of pump is pressurized and any 'opening' water would leak out vs air getting sucked in

Suction hose has a crack
Pump strainer has a crack or is not sealing around top/gasket
Pump inlet fitting cracked/sucking
Pump case is cracked

Winterizing valve/hose/connections are sucking air (if you have a winterizing kit on suction)

Air is getting sucked into suction side of pump..........

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