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.

Steam Boiler - water leaving the boiler, going up the main

John_119 Member Posts: 1
We have a steam boiler that is pushing water up the main when on a call for heat.This is a existing boiler ( 8 yrs.); it also has a hw loop for another zone. This zone is not calling when hh lose's water,
Suspect a blocked return! Any idea's ?


This discussion has been closed.