Water feed inlet is getting into the central heating system?

The Main cold water feed that feeds the hotwater is getting mixed with the central heating system. Can you tell me what the problem might be. I have a Sime friendly format 80 e boiler.

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Why can't I get hot water for the shower from my Vaillant boiler?

I have a Vaillant turbomax VUW 242E/282E (not sure which) and I just had a re-occurence of a problem in getting hot water to the shower, which is a mixer fixture attached to the bath taps. Central he ... more

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baxi bermuda?

how to remove the fire to gain access to the boiler

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how can i fix my vaillant combi boiler?

my vaillant vcw boiler has a leak on the top of a black box located on the left of the boiler does anyone know how to fix this is it just a seal and what is this black box type part called. thanx.

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how can i fix my combi boiler?

can anyone help me find the fault on my potterton puma 100e combi boiler when switching the central heating on it ignites for about 30-60 seconds then stops approx 5 minutes on it will do the same the ... more

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Ravenheat 820/20 Combi Boiler Hot Water?

Boiler is fine except when after running a hot bath. Pilot shuts off a minute or so later. Very hot water in pipes which when flushed out means pilot can be relit. What is the answer. Boiler doesn't ... more

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how do I fix my saunier duval 620f?

Hi, Ive just fitted a new pump to my saunier duval boiler. Within 30 mins of it starting up, water seemed to be pouring out the base of the combi unit. It was still running, I killed the electric, swi ... more

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How can I fix my Potterton Profile 100e?

Although my Potterton Profile 100e boiler is working, there are symptoms which I fear could indicate that a problem is brewing. When the boiler tries to light, I hear a fan, a few clicks and then n ... more

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Gas boiler keeps running even when turned off!?

When I went to turn off the central heating last night the gas boiler seemed to be still working. In the end I had to switch it off at the socket. Does anyone know what could be wrong. Everything seem ... more

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Puma 80 overheats and shutsdown when DHW switched off?

This 8 year old Potterton Puma 80 has had first a new diverter valve fitted, and now a circuit board, but still overheats (burner remains on) and shutsdown to safety when DHW tap is switched off- but ... more

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how do i re pressurise my boiler potterton puma 80?

the low pressure light has come on the boiler, so how do i re-pressurise the system please

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How can I fix my Potterton Electronic Boiler ?

I have recently moved home and my boiler is not working correctly. The Central Heating comes on when the Hot Water is switched on. Even if the Central Heating switch is on OFF it still comes on and ... more

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how can i fix my potterton suprima?

heating & hot water not working. boiler comes on for 5 mins - radiators get slightly warm then go off. Red light keeps comin on. Sounds like it keeps trying to kick in - click click! Have bled rad ... more

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the dreaded ariston question?

i still have a ariston euro combi a/23. i was told the air pressure switch may be at fault for the lack of constant hot water, when the sealed panel is removed and the hot water run it stays hot/the ... more

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Potterton Netaheat 10-16 central heating doesn't work?

The central heating isn't working however I still have hot water. I can also hear the boiler working when the water is heated. The central heating started to switch on/off by itself and not it doesn' ... more

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Baxi solo 2 heating working but trips out when hoy water is turned on?

The central heating is working, however when the water is switched on the boiler turns off. no heat light etc. The timer is on for both Heat and water. If i then turn the water off the heating wil wo ... more

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How do I change the pump in a Worcester comb boiler?

How do I remove the pump from the boiler? Do I have to take the boiler from the wall to be able to get at the pump?

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Potterton Profile 50 control board fault?

This was quite an unusually one for me as my normal work is designing in car multimedia systems! A work friends boiler decided to stop working last week! After finding out he couldn’t get a p ... more

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How can i fix my Potterton Puma 80?

The central heating side of this combination boiler has stopped working. The pilot light remains lit and the hot water on demand works as it should. For approximately 30 mins this morning the central ... more

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Potterton Puma 80 combi boiler hi press problems?

When Central heating turned on from cold my system has an initial hi press surge (1-3.5bar), after header temp reaches thermostat cut out temp, the press falls back to 2bar over a few hours. The syst ... more

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