Forum Discussion

Explorer

Nov 10, 2016

Water Heater Check Valve

My hot water stopped flowing. CV went bad, I removed the internal parts. Have hot water now. I have not had the chance to give it a full workout, yet. I know the check valve comes into play when winterizing the MH. Does it have any other purpose? Do I need to replace it? I spend the winter in the RGV and summers back in New England. Thanks Gary

14 Replies

schlep1967
Nomad
Nov 10, 2016
It is only about a $10 part. If you got the old one out you already know how to put the new one in. It took me about 10 minutes.
ksg5000
Explorer
Nov 10, 2016
Replacing water heater CV has been on my to-do list for two seasons - it's a minor annoyance which results in my cold water being hot for a few moments.
enblethen
Nomad
Nov 10, 2016
Check valve on cold water prevents hot water from feeding into the cold.
It is not a safety valve. The pressure/temperature relief valve is the safety device.
WNYBob
Explorer
Nov 10, 2016
CV's are safety devices, so your WH does not blow up!