I've just had both the diverter valve and expansion tank fail on a 1997
Having taken the old valve to bits, I found the diaphragm to be almost
The rubber looked like tree bark.
Any ideas what would have caused this?
HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here.
All logos and trade names are the property of their respective owners.