You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser.
-
V
there's a thermostatic valve on the dhw outlet wich shuts down if the temp. is too cold , sounds like its stuck
-
V
check the right hand c.heating pipe it prob. gets hot.
div. valve stuck std problem.
fully pumped system no pump no hot water either.