Mend Home Heating Systems

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Mend Main Hot Cold

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We have 38 questions about mending 'main hot cold' in category Heating, Home Heating Systems which have been answered

How to mend ... Main Hot Cold

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Vaillant ecotec 937?

Firstly thanks to ltd for response reference no hot water. I have no hot water from my Vaillant ecotec 937 - ... [Read more]

How can I fix my Main Combi 30HE boiler?

The domestic hot water system is not operating properly as it heats the water to the right temperature when yo... [Read more]

Why does my boiler keep switching on and off?

The boiler is a Main HE condensing. The problem only occurs when Hot Water Only is selected. If run from stone... [Read more]

Ideal Combi Logic boiler "L3" fault. ?

Whenever the temperature knob is turned up higher than half way, the boiler shuts down, flashing L and 3. Have... [Read more]

Main combi boiler ?

Why is my boiler sending hot water to my radiators when I only want hot water to my taps. The heating is turne... [Read more]

ravenheat csi 85 a [t] boiler?

main burner fires up on off repeatedly, heating water gets hot, domestic gets hot for few minuits then runs co... [Read more]

WB 240 Combi RSF - pilot light is on, but no heat!?

Hi, I have a problem with my Worcester Bosch 240 Combi RSF - the pilot light is on, and there is demand for he... [Read more]

Baxi duo tec combi 24HE heating fault?

My 2 1/2 year old Baxi combi shuts down the heating side despite everything calling for heat. This happens int... [Read more]

worcester bosch 30cdi combi boiler?

problem being that no hot water at taps? cold main is fine not frozen at all any ideas

No hot or cold water-Pottrerton Boiler & Accolade Storage Tank Help! ?

Hi all, I have a Potterton Suprima 60L Boiler and an Accolade 144 AA160 unvented hot water storage system. It... [Read more]

vaillant 221H hot water problem?

When running bath water the water starts out hot and then goes cold and then hot again. When watching the main... [Read more]

Baxi Main no domestic hot water?

Central heating working okay but the water through the hot tap is cold and the boiler does not ignite.

radiator?

Hi i have radiators in all rooms of my home but there is one that will not get as hot as the others infact in... [Read more]

Potterton Prima F30, pilot and main flame Ignite but?

My Potterton Prima F30 starts up from cold ok but then after say ten mins or so it reverts back to just the pi... [Read more]

How can I fix my Glow-worm 30cxi - hot water goes cold when having a shower?

Hi, I've had this 30cxi model for about two years now and have had no major problems apart from the pressure ... [Read more]

cold water leak?

hi i have a worcester 24cdi and a water leak from the main cold supplie dripping from the bottom of the boiler... [Read more]

How can I fix my Potterton 16/22 Netaheat Electronic LPG boiler?

My boiler that, up to now, has given about 20yrs of excellent service, gives similar symptoms to the 'Prima F'... [Read more]

Worcester 240 Boiler. Water is hot with tap half open, cold when fully open?

I have a Worcester 240 gas boiler. Recently, I've noticed that if a hot water tap is partially opened there is... [Read more]

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How do I work my Storad storage heater?

Vaillant ecotec 831 plus?

Remove boiler cover?

Worcester boiler dripping water?

Boiler cycle?

Worcester Bosch 532/i Combi Boiler?

Siemens RDJ10RF thermostat problem?

Vaillant F22 fault?

Fan tries to run every 15 seconds then stops immediately?

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