Jasonped
New Member
Navien is about 8-9 years old and never had any problems until the last year .
When we use the hot water the pex will vibrate like crazy for 5-20 seconds. Cold water is fine. Sounds as if the flows restricted on the incoming line? I will double check the main shit off is all the way open tomorrow.
Anything else I can check? Something inside the navien that can cause this vibrations?
When we use the hot water the pex will vibrate like crazy for 5-20 seconds. Cold water is fine. Sounds as if the flows restricted on the incoming line? I will double check the main shit off is all the way open tomorrow.
Anything else I can check? Something inside the navien that can cause this vibrations?
