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We have 348 questions about mending 'system combi hot'

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Mend Heating, Home Heating Systems

High central heating water pressure - (Glowworm swiftsure 100)?

Hi folks, any ideas on this one? My central heating water pressure on the combi boiler keps increasing until ... [Read more]
Mend Heating, Home Heating Systems

low pressure in vokera linea he?

Hello, can I ask some advice? I have the above combi & a couple of days ago it began faulting on code 40, low ... [Read more]
Mend Heating, Home Heating Systems

Which Way to Jump?

CENTRAL HEATING CALAMITY It may sound a bit dramatic, but I have a real problem and would welcome any help ... [Read more]
Mend Heating, Home Heating Systems

what system do you have?

Do you have an open vented system ( two tanks in the loft and a hot water cylinder in the airing cupboard) or ... [Read more]
Mend D.I.Y, Plumbing

Draining the system?

My home is powered by a combi boiler, with no hot water tanks. The tap on my kitchen sink is leaking and I ne... [Read more]
Mend Heating, Home Heating Systems

Worcester 24i - Cold Radiators!!!?

Hello I am having problems with my central heating system. Basically the radiators are cold even when the hea... [Read more]
Mend Heating, Home Heating Systems

How can I reduce the pressure in my Baxi combi boiler?

My partner re-pressurised the boiler system following a water company switch off and forgot which way he had t... [Read more]
Mend Heating, Home Heating Systems

Help who do I ask ?

while renovating a 400 year old property, I opted for a combi and underfloor heating. Builders son ( who said ... [Read more]
Mend Heating, Home Heating Systems

Worcester 350 Combi boiler pressure fluctuations?

When my boiler is supplying the central heating and you draw hot water the pressure jumps up by about 0.5bar a... [Read more]
Mend Heating, Home Heating Systems

Baxi Combi 105e Pressure problem desperate for help!?

Hello, I have a baxi combi boiler 105e and the pressure was completly off the scale well over 4bar. I released... [Read more]
Mend Heating, Home Heating Systems

reduce pressure on combi?

when i bled my radiators at the weekend it emptied the boiler. So i used the loop thing to fill it again. Prob... [Read more]
Mend D.I.Y, Plumbing

How can I stop the shower head dripping?

Hi, I am hoping you can offer some advice. We have very recently had a complete bathroom replacement which app... [Read more]
Mend Heating, Home Heating Systems

Baxi combi 105e- Low Pressure?

I have just had an extra radiator fitted, after this the pressure has dropped to 0.5 (rises to 1 when hot tap ... [Read more]
Mend Heating, Home Heating Systems

Potterton combi boiler, radiators won't heat up?

My partner and I have just renovated a house and it is on the market, the heating system was installed in the ... [Read more]
Mend Heating, Home Heating Systems

Worcester 9.24 Electronic RSF D.H.W. problem?

Hi. My Combi boiler (Worcester 9.24 Electronic RSF) has developed a problem with the hot domestic hot water s... [Read more]
Mend Heating, Home Heating Systems

Boiler fires when it shouldn't?

Got a Performa 28 combi. I've noticed that sometimes when no heat or hot water are called, the boiler fires up... [Read more]
Mend Heating, Home Heating Systems

Britony Combi 80 no pressure?

My Britony Combi 80 central heating system has stopped working (but hot water was OK) and the pressure gauge s... [Read more]
Mend Heating, Home Heating Systems

Potterton 80e Combi heating system on/off?

My boiler keeps coming on & going off , flame light is coming on and boiler runs for approx 30 seconds then go... [Read more]
Mend Heating, Home Heating Systems

How can I fix my boiler problem?

How serious is it and what can I do to fix it? On my Potterton Lynx 2 combi boiler for heating and hot water ... [Read more]
Mend Heating, Home Heating Systems

How serious is it and what can I do to fix it?

On my Potterton Lynx 2 combi boiler for heating and hot water a red light comes on under low system pressure w... [Read more]
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