Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.

gas fired boiler

gwh Member Posts: 1
Why does the expansion tank require an isolation valve between it and the boiler?

Why does the water intake pipe need isolation valves on both sides of the back flow valve?

Both examples required for easy removal/replacement?  Safety?


  • lchmb
    lchmb Member Posts: 2,997

    When you have an issue it is much easier to replace them this way...
This discussion has been closed.