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EPH - Water not heating from boiler and pressure valve showing no pressure.

A2LUE42 · 2024-03-06 13:09:53

EPH system - The water is not heating from the boiler and the pressure valve is showing no pressure. Heating using the immersion is still working fine and the temp sensor for the eph system on the top outlet pipe from the tank shows the increase in temp when the immersion is used. The Red are the pipes that are hot, Blue…

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06-03-2024 2:09pm

#1

A2LUE42

Registered Users Posts: 2,532 ✭✭✭

Join Date: May 2008

Posts: 2341

EPH system - The water is not heating from the boiler and the pressure valve is showing no pressure. Heating using the immersion is still working fine and the temp sensor for the eph system on the top outlet pipe from the tank shows the increase in temp when the immersion is used.
The Red are the pipes that are hot, Blue are cold to touch.
The Black valve can be open or closed, It doesn't seem to have an impact, but would expect moving it to have a change.
Red Circular is fully open.
Any Ideas ?

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#2 07-03-2024 9:30am
dathi

Registered Users Posts: 1,386 ✭✭✭

Join Date: March 2010

Posts: 1376

is the yellow two port valve stuck they usually have a little arm on side that you can check or the red check valve has been closed by mistake ?

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