Potterton Puma 80e Combi Boiler - Misbehaving !!
Could sks please advise me on the following:-
The above boiler will not provide constant C.H. It's fine on the H.W. side but on the C.H. side it will ignite and stay alight for about 25 secs then it turns off for some 30 secs and re-ignites for 25 secs again in a continuing cycle. would it be a themostat ? The pump and extractor fan seem to be performing ok and the pressure is alright. Any suggestions would be very welcome Thanks Bill |
On Sat, 22 Jan 2005 14:05:00 -0800, Bill wrote:
Could sks please advise me on the following:- The above boiler will not provide constant C.H. It's fine on the H.W. side but on the C.H. side it will ignite and stay alight for about 25 secs then it turns off for some 30 secs and re-ignites for 25 secs again in a continuing cycle. would it be a themostat ? The pump and extractor fan seem to be performing ok and the pressure is alright. Any suggestions would be very welcome Check for lack of circulation in the radiator circuit. However Centre stage with a Puma is that Wax pellet actuator on the front of the diverter valve. Fix any dripping hot taps that may give you a week or two to get the replacement part. -- Ed Sirett - Property maintainer and registered gas fitter. The FAQ for uk.diy is at http://www.diyfaq.org.uk Gas fitting FAQ http://www.makewrite.demon.co.uk/GasFitting.html Sealed CH FAQ http://www.makewrite.demon.co.uk/SealedCH.html |
"Ed Sirett" wrote in message .co.uk... On Sat, 22 Jan 2005 14:05:00 -0800, Bill wrote: Could sks please advise me on the following:- The above boiler will not provide constant C.H. It's fine on the H.W. side but on the C.H. side it will ignite and stay alight for about 25 secs then it turns off for some 30 secs and re-ignites for 25 secs again in a continuing cycle. would it be a themostat ? The pump and extractor fan seem to be performing ok and the pressure is alright. Any suggestions would be very welcome Check for lack of circulation in the radiator circuit. However Centre stage with a Puma is that Wax pellet actuator on the front of the diverter valve. Fix any dripping hot taps that may give you a week or two to get the replacement part. -- Ed Sirett - Property maintainer and registered gas fitter. The FAQ for uk.diy is at http://www.diyfaq.org.uk Gas fitting FAQ http://www.makewrite.demon.co.uk/GasFitting.html Sealed CH FAQ http://www.makewrite.demon.co.uk/SealedCH.html Sounds similar to my Puma. The previous owner had choked all rads down with lockshield valves. It improved greatly when I opened all lockshields and let the TRV's do the work. |
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