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Discuss Air lock on hot water circs in the Plumbing Jobs | The Job-board area at PlumbersForums.net

Andyh

Gas Engineer
Messages
34
hiya fellas and gals ...
Any one got a genius idea to remove air lock from 28 mm gravity circs...
I've bled the air valve on circs it's just water... was thinking connect hose pipe upto mains and backfill.. not what a customer advised and hit it with hammer :(
 
hiya fellas and gals .
Any one got a genius idea to remove air lock from 28 mm gravity circs...
I've bled the air valve on circs it's just water... was thinking connect hose pipe upto mains and backfill.. not what a customer advised and hit it with hammer :(

The right answer is to run the pipework properly so it naturally vents.
 
Of course you can. Tell the Landlord I said it. I was going to suggest the same as Shaun and Simon but it could go very wrong. It could also (if it's Primatic) cause days of orange water.

That's why I worded it differently :D
 
Temporarily remove a convenient radiator on the affected circuit. Connect a circulating pump (and, if you've got one handy a magnetic filter) across its connections. Run the temporary circulating pump until everything is working. Bleed radiators. Remove temporary pump, replace and bleed radiator.
 
upload_2018-11-28_22-38-47.png

OH NO!
IS THAT YOUR CUSTOMER?
 
Thanks fellas ,, I considered ripping up two bedroom floors to correctly realign the circs :eek: however tried to boil it out for about an hour then back filled it from mains .. not sure which way cured it but it seemed to be sorted thanks for those who offered useful comments :)
 
Thanks fellas ,, I considered ripping up two bedroom floors to correctly realign the circs :eek: however tried to boil it out for about an hour then back filled it from mains .. not sure which way cured it but it seemed to be sorted thanks for those who offered useful comments :)
Why the big red X disagree???
That's the first I have been given and I don't know why.
If it's a joke, kindly remove it.
 
:D
 
I have a BAXI SOLO 30 HEA.and gravity system cen. heating. The red ignition lockout light is coming on now and then together with flashing green lights for electric feed and main burner on.Have already replaced grundfoss
pump, flue seal, temp. sensor. Any idea whats wrong?
 
I have a BAXI SOLO 30 HEA.and gravity system cen. heating. The red ignition lockout light is coming on now and then together with flashing green lights for electric feed and main burner on.Have already replaced grundfoss
pump, flue seal, temp. sensor. Any idea whats wrong?

How can you have a Gravity system with that Boiler?
Are you Gas Safe Registered?
 

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