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We have 118 questions about mending 'lock boiler hot'

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Mend Heating, Home Heating Systems

halstead ace high boiler hot water does not get hot when turned on?

when i turn on the hot water it does not get hot only tepid and i have to go thro the sequince a couple of tim... [Read more]
Mend Heating, Home Heating Systems

glowworm 75e compact electronic?

boiler keeps locking out all time , get hot water wen reset lock out ,.presser release valve been replaced but... [Read more]
Mend Heating, Home Heating Systems

biasi riva combi boiler m96 32s m/c lock out?

hot water works fine. but c/h fails to stay on afte the ignition delay cycle the boiler goes to lock out
Mend Heating, Home Heating Systems

boiler locks when hot water turned off?

when i use the hot water it works ok but after switching off there is loud noise and the boiler seems to overh... [Read more]
Mend Heating, Home Heating Systems

how do i fix my hideaway glowworm 50B boiler?

hi, having a problem with my heating system. Water doesn't get very hot possible air lock ?. If this is the pr... [Read more]
Mend Heating, Home Heating Systems

How to sort this boiler problem out (majorca 240/6 back boiler/frontfire)?

How to sort this boiler problem out (majorca 240/6 back boiler/frontfire)? I have a majorca 240/6 back boiler... [Read more]
Mend Heating, Home Heating Systems

no heating or hot water?

when the boiler is switched on it trys to fire but then a red light comes on with a flame next to it. i think ... [Read more]
Mend Heating, Home Heating Systems

Condensate trap leaking on Heatline Vizo boiler?

The condensate trap has a steady drip from the side when the hot water is running. The plumber who fitted it ... [Read more]
Mend Heating, Home Heating Systems

Vaillant GB2 EH - Got DHW but no CH and its freezin!?

Hi Guys - am in desperate need for tips on how to fix our Vaillant VCW-GB-282 EH Combi. Installed about Apr 19... [Read more]
Mend Heating, Home Heating Systems

How can I reduce the pressure in my boiler?

After messing around trying to replace a hot water tap, I notice that the oressure gauge on my Worcester Highf... [Read more]
Mend Heating, Home Heating Systems

Glowworm / Glow worm compact 80e locking out not working !!?

Hi I have a new compact 80e installed which I bought about 1 year ago. The boiler was a surplus and had bee... [Read more]
Mend Heating, Home Heating Systems

boiler lock out no hot water?

saunier duval 30e. boiler locks out when hot tap is opened, if hot tap is opened while boiler is fired up for ... [Read more]
Mend Heating, Home Heating Systems

poterson boiler?

when you run hot taps and then turn off. there is lot off banging in pipe work bubling noises as if air lock .... [Read more]
Mend Heating, Home Heating Systems

oil fired boiler problem?

Myson Velaire boiler works all summer on hot water system but as soon as you turn on the cental heating syste... [Read more]
Mend Heating, Home Heating Systems

Baxi Bermuda Back boiler?

After draining down to remove a radiator, and refilling system, CH ok but no hot water,told that there is an a... [Read more]
Mend Heating, Home Heating Systems

Cylinder Thermostat not switching off?

I have recently had my system drained to fit a new bathroom. Since then the hot water has been too hot. I trie... [Read more]
Mend D.I.Y, Plumbing

Help! How can I make the hot water flow faster?

We have never had any trouble with our hot water flow until we had a new Glow Worm condensing boiler installed... [Read more]
Mend Heating, Home Heating Systems

Why does my boiler go g-g-donk and then lock out?

My Chaffoteaux & Maury Britony combi has an intermittent problem. About a minute after turning hot water off, ... [Read more]
Mend Heating, Home Heating Systems

potterton 80 combi boiler not igniting?

The lock out light comes on whenever I turn on the hot tap, I reset and try again and same happens. I have tr... [Read more]
Mend Heating, Home Heating Systems

How can I fix noise from my vaillant ecotec pro boiler?

I've drained the system to replace radiator in bathrrom. Refilled and repressurised system once job done. Air ... [Read more]
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