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Pressure Valve replacement - Auto-fill

mobfromcork · 2016-07-26 21:16:45

Folks, I'm having a large problem with direct expansion geo-thermal heating system in a house that we are moving into next week. There is someone coming to look at the whole system as it isn't working well but I have an immediate problem with a 3 bar pressure relief valve which is leaking water. It is located inside a…

26-07-2016 9:16pm

#1

mobfromcork

Registered Users, Registered Users 2 Posts: 379 ✭✭

Join Date: February 2008

Posts: 336

Folks,

I'm having a large problem with direct expansion geo-thermal heating system in a house that we are moving into next week. There is someone coming to look at the whole system as it isn't working well but I have an immediate problem with a 3 bar pressure relief valve which is leaking water. It is located inside a large plastic unit in the garden where the heat pump and various other components are now immersed fully in water. It is probably absolutely destroyed but for now I just want to stop the leak until the geo guy can call out.

i have reasonable DIY knowledge and have done basic plumbing before - installed radiators etc but I am definitely in over my head here. I can't find any other valve to close to be able to remove the 3 Bar pressure release valve. It's the red valve that's visibly dripping in the picture

[IMG][/img]

Spoke to the geo guy earlier who recommended closing the auto-fill valve as this would relieve the amount of pressure on the system also. Could someone tell me if this looks like the auto-fill loop please? All the photos were taken months ago and the valves were closed then but may not be closed now.

[IMG][/img]

Any info gratefully received

Sound,

Mark

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