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Danfoss RX1?

I have a Danfoss RX1 attached to my Samsung air-water underfloor heating system. It has two buttons: Prog and ... [Read more]
Mend Heating, Home Heating Systems

Unexplained noises?

Good day, I have been experiencing a problem with my domestic heating system. There are occasions when the sy... [Read more]
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Baxi solo dry fire?

The baxi solo dry fire alarm comes on after about a minute. Pump working ok, no air in system, magnaclean fil... [Read more]
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Potterton proforma system boiler 18 he?

The boiler will not fire, after reset the pump runs the flow switch operates the micro switch and then the boi... [Read more]
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siemens rwb9 connections to boiler?

I have a SIEMENS RWB9 central heating programmer. I am wanting to know the wiring layout for the connection to... [Read more]
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Expansion vessel full of hot water?

I have a Heatslave 20/25 and it stopped pumping water around the system. I thought it was the pump, but the ex... [Read more]
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no pilot light no burner or clicking?

Came home to no centrol heating had hot water until used it up.so no hot water either .pressure gone from syst... [Read more]
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Baxi combi will not restart after changing radiator?

I have a Baxi combi 105E boiler and have fitted a new towel radiator.after refilling system (all radiators ha... [Read more]
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How can I fix my Glowworm 70FF boiler?

Hi. My boiler does not always start running when the programmer and thermostat are both "ON". The programmer l... [Read more]
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Luke warm radiators?

Really need help with a central heating problem (old, but sturdy back boiler open vented system in a flat - o... [Read more]
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worcester 24cdi?

When boiler is turned on it makes a banging noise and what sounds like air coming out . Expansion vessel, Heat... [Read more]
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Boiler wont switch off?

I have a British Gas/Glow worm 330HE boiler fitted in 2006. Over the last few months a fault has been occuring... [Read more]
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how do I refill my glow worm boiler or bleed it?

re-filled rads after installing additional rad. Bled all through - OK. Turned on pump - clanking and knocking ... [Read more]
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Worcester Greenstar Ri started whistling this morning?

Our Worcester Greenstar Ri boiler started making a rather loud high pitched whistling- type noise this morning... [Read more]
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Boiler not working!?

Hi all, Could anyone advise on some basic fault detection methods for boilers? I have a Vokera Compact HE w... [Read more]
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How can I fix my valant ecoTEC exclusive 832 on F75 after changing sensor u?

how can I fix F75 on my ecoTEC exclusive 832. I have installed it 3 years ago. in the first 2 years it has fa... [Read more]
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Greenstar 12i?

Hi, I have a Greenstar12i system boiler - When the room stat is turned up the boiler starts up and the burner ... [Read more]
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Problem after changing ch pump on a grundfos pump plan?

I have now changed the central heating pump twice in the last week on my grundfos pump plan installation using... [Read more]
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Vaillant ecoTec 831 I have hot water but no heating?

Please help! Our heating has suddenly stopped working. The display shows that the internal pump is running, ... [Read more]
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grundfos selectric 15-50?

Central heating working ok but hot water only luke warm. Large screw ! in center of pump is pointing to '130'... [Read more]

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