LBMEFM
|
| posted on 6/1/09 at 07:44 PM |
|
|
Central Heating
Any heating engineers who can help out there. My combination boiler keeps shutting down due to low bar pressure in the system. I have checked all
pipe-work and rads for leaks, all seem fine where visible and I would imgine that there would be damp patches if it leaked elswhere. If I top-it up to
2 bar in the morning the following day it will drop to approx 0.5 bar. Any ideas what the problem is? 
|
|
|
|
|
fesycresy
|
| posted on 6/1/09 at 07:58 PM |
|
|
Check the pressure relief valve is not passing.
Should see drips coming from the pipe outside.
-----------------------------------------------------------------------------------------------------
The sooner you fall behind, the more time you'll have to catch up.
|
|
|
adam1985
|
| posted on 6/1/09 at 08:40 PM |
|
|
check the glands on rad vlave too can weep and follow the pipe
|
|
|
coozer
|
| posted on 6/1/09 at 08:52 PM |
|
|
I had a similar problem and found it was a leak under the concrete kitchen floor. Didn't find until a mouldy patch appeared on the lino the n
under neath was soaking.
Check round the whole house if you know where the pipes run for leaks. Under wooden floors into the void? (downstairs)
Are you having to bleed air off all the time as well? No idea what that means apart from calling the heating engineers
Steve
1972 V8 Jago
1980 Z750
|
|
|
LBMEFM
|
| posted on 6/1/09 at 08:55 PM |
|
|
Cheers guys, time for an engineer I think
|
|
|
DarrenW
|
| posted on 7/1/09 at 10:21 AM |
|
|
quote:
Originally posted by coozer
I had a similar problem and found it was a leak under the concrete kitchen floor. Didn't find until a mouldy patch appeared on the lino the n
under neath was soaking.
Check round the whole house if you know where the pipes run for leaks. Under wooden floors into the void? (downstairs)
Steve
Exact same happened to me. Just finished renovating the house. New laminate floor in kitchen etc. Leak was under the kitchen floor and fridge was on
top of it. Only noticed it after a while when fridge was moved and floor felt damp. Problem was old joint in pipework leaking.
Happened to me after changing standard boiler and tanks for the combi. Was told it was common due to combi's running on full mains water
pressure rather than gravity feed - meaning if a joint is prone toa leak then the higher pressure will cause it to fail. Im afraid its not easy to
find sometimes, if no obvious leaks in ceilings etc (id expect those to show up quickly if leak is in first floor voids) keep a close eye open for
anomolies in the downstairs floors. And keep checking those rad valves for leaks.
Works boiler kept losing pressure due to the valve mentioned above.
[Edited on 7/1/09 by DarrenW]
|
|
|
.jpg){kind=avatar}
