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Hi, planning on replacing my WB 280rsf which is 17 years old with a Vaillant 831. But looking on sebuk charts the 280 should be about 71% eff and the 831 about 88%. My question is. Is it really worth me changing it just to save fuel costs? going on there predicted fuel savings, it would...

Found a local firm offering Baxi combi replacement boiler for £999 fitted inc power flush. When I called them, they said it's a Baxi Main 24 or 30HE. I asked if it was a A rated, and they said no, it's B rated but still 88% efficient. i thought this was illegal to supply and fit these...

Been recommended the 3 above by the gas engineer. fitted prices Vailant £1620 cash Baxi £1410 cash Worcester £1600 cash This is without a power flush as he doesnt have the equipment, and he'll be doing it at a weekend as he works for a company during the week. My question...

I'm looking at replacing my 17 year old Worcester combi, with an A rated combi. Was under the impression that not to power flush at this point would be foolish. But the engineer who's quoting me doesn't have the equipment to power flush and claimes that putting flushing fluid in for 2 weeks...

as title says, what is the difference ? And are they any good ? Thanks,

Problem with my 1995 worcester 280 boiler. It some times won't ignite. Seems to be more when I'm running hot water tap. The fan is running as it should and the ignitor is clicking as it should, but no flame, also the gas valve solenoid is clicking so i think this is fine. It is only doing this...

Hi, I've a potterton suprima boiler. It keep lighting up and running for 30 between 5 - 30 seconds. Far more often then it usually does. I've turned my heating circuit off and also turned down the hot water tank to 60C, but the problem is still there. It's the water that it's trying to...

While diagnosing my faulty potterton 3 port valve on my heating system I discovered what seems to be a electrically switch (by hand) 3 position flow restrictor. It's on the line from the boiler and feeds the potterton 3 port valve. Can you please tell me the function of this valve, it's...

Hi, My heating is failing to go off at times. I've tested the thermostat and controller and come to the conclution it's my 3 port valve. But since I've disturbed it, it now seems fine. Will it be the acctuator at fault or do you think it will be that the valve was not seated correctly? I've...