| Author |
Message |
potter
Joined: 17 Mar 2008
Posts: 6
Location: staffordshire
|
 Posted: Mon Mar 17, 2008 8:28 pm Post subject: central heating problem |
 |
|
| Hi, recently had a new gas valve & circuit board fitted to a glowworm fuelsaver 35f. We are having problems with the boiler going off when the heating is on but the boiler runs ok when just heating the water.Also the casing on the boiler gets a lot hotter than it did before the parts were replaced. I have bled the rads, tried reducing the flow around the system and have emptied 4 of the 8 rads & found the water to be pretty clear.The plumber also replaced the thermostat in the boiler which he broke whilst fitting the above parts plus we had no problems with the boiler going off before. Any ideas please ? |
|
| Back to top |
|
 |
thescruff
Moderator
Joined: 03 May 2003
Posts: 4418
Location: Bath
|
| Posted: Mon Mar 17, 2008 10:06 pm Post subject: |
|
|
As the case is getting hotter I think you should get him back to check it out, in the meantime use it with care just in case the case is leaking.
An CO alarm would be good investment while you're waiting |
|
| Back to top |
|
|
potter
Joined: 17 Mar 2008
Posts: 6
Location: staffordshire
|
| Posted: Tue Mar 18, 2008 2:33 pm Post subject: |
|
|
| Hi, the plumber has been back and has tested the boiler . he says the temp on the inlet/outlet on the boiler is ok but the downstairs rads inlet & outlet are not at the right temp . He suggest sludge in the system ? Not sure about this as we did not have this problem prior to his repairs. Plus he wants to charge another £300 for the hire of a flushing machine. Thanks again |
|
| Back to top |
|
|
thescruff
Moderator
Joined: 03 May 2003
Posts: 4418
Location: Bath
|
| Posted: Tue Mar 18, 2008 3:09 pm Post subject: |
|
|
Have you check the system pressure and for air.
I would try balancing the upstairs rads down a few turns to see if the lower ones get hot.
Do you have any motorized valve on the heating |
|
| Back to top |
|
|
potter
Joined: 17 Mar 2008
Posts: 6
Location: staffordshire
|
| Posted: Tue Mar 18, 2008 4:54 pm Post subject: |
|
|
| Will try turning the upstairs rads down. Not sure about the system pressure. Can I check that? Bled all the rads repeatedly. No motorised valve fitted just a simple open/close valve for either hotwater or heating. |
|
| Back to top |
|
|
thescruff
Moderator
Joined: 03 May 2003
Posts: 4418
Location: Bath
|
| Posted: Tue Mar 18, 2008 5:37 pm Post subject: |
|
|
| Check the heating valve is fully open then and close the hot water one a tad. |
|
| Back to top |
|
|
potter
Joined: 17 Mar 2008
Posts: 6
Location: staffordshire
|
| Posted: Tue Mar 18, 2008 7:13 pm Post subject: |
|
|
Closed hot water valve a bit. Heating valve fully open. Boiler still going off. Would draining/refilling the system help if there is a possible air lock?
Aswell as the heating valve and the hotwater valve above the hot water tank(ex emersion heater) there is another valve above the pump which is half open. Not sure what its for. |
|
| Back to top |
|
|
thescruff
Moderator
Joined: 03 May 2003
Posts: 4418
Location: Bath
|
| Posted: Tue Mar 18, 2008 9:54 pm Post subject: |
|
|
| That may be a bypass, can you post a pic or two |
|
| Back to top |
|
|
potter
Joined: 17 Mar 2008
Posts: 6
Location: staffordshire
|
| Posted: Wed Mar 19, 2008 8:14 pm Post subject: |
|
|
| Hi again. How do I post pics on here. Sorry to be a pain |
|
| Back to top |
|
|
thescruff
Moderator
Joined: 03 May 2003
Posts: 4418
Location: Bath
|
| Posted: Wed Mar 19, 2008 10:08 pm Post subject: |
|
|
Save the pic in photobucket or similar, then copy the IMG tags, this will say coppied when you click on it now.
Just paste the img tag in your reply on here |
|
| Back to top |
|
|
|
FAQ
Search
Usergroups
Register
Profile
Log in to check your private messages
Log in
