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Author Topic: Central Heating Boiler losing pressure  (Read 2982 times)
sonour
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« Reply #60 on: March 02, 2020, 11:00:19 AM »

Ok, I think I understand now. The filling loop only needs to be connected during the filling process. So it can be disconnected as long as the taps are closed. Some say it should be disconnected as this prevents the water from the heating flowing back to into the mains if the valve fails.

So if I disconnect the filling loop and I no longer lose pressure then the pressure loss was due to the water flowing back into the main and the valve is probably faulty.

If the pressure loss continues then I have a leak Sad
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RED-DOG
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« Reply #61 on: March 02, 2020, 03:22:18 PM »

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Youth fades but immaturity can last forever.
sonour
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« Reply #62 on: March 02, 2020, 06:35:28 PM »

Thank you again Tom.

I’ve undone the braided pipe on the right hand side. It is fully undone and a small amount of water dripped out. I can’t pull it off totally, probably because of the rigid part of the pipe on the other side. Is that good enough or shall I unscrew the left hand side which I think will enable me to then remove it ?
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mikeymike2
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« Reply #63 on: March 04, 2020, 09:59:30 PM »

you only need to undo one side are you still losing pressure
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sonour
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« Reply #64 on: March 05, 2020, 07:24:24 PM »

Yes, I’m still losing pressure Sad
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