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Mend > Home Heating Systems

How do I reset my wireless Siemens RDJ10RF thermostat?
How do I reset my wireless Siemens RDJ10RF thermostat?

Ravenheat Boiler not firing up?
Ravenheat Boiler not firing up?

my worcester greenstar HE boiler wont fire up?
My worcester greenstar HE boiler wont fire up?

Unknown error code (E168) on Potterton Promax 24 HE Plus?
Unknown error code (E168) on Potterton Promax 24 HE Plus?

How can I fix my Potterton Prima
How can I fix my Potterton Prima 'F' boiler?

Mend boiler hot water heating

heating but no hot water halstead best 50?

heating but no hot water
Mend heating boiler fault
1

Pilot light won't work!?

My pilot light went out on my Glow Worm Hideaway boiler while it was on, and now i follow the instructions ins... [Read more]
Mend Worcester Heating Boiler

worcester 24i?

central heating fine but domestic hot does not ignite the boiler sometimes
Mend boiler heating flue
1

Fan won't stop running on Ideal mini S28?

Hi, I've got an Ideal mini S28 boiler which is working fine, except that when the CH/HW program is off, the... [Read more]
Mend heating hot water pressure

air lock in boilermate?

i arrived at a drained boilermate to be told the pump on hot water is running hot,refilled sytem but can get n... [Read more]
Mend boiler heating heat exchanger
1

ravenheat 1997 boiler?

does a ravenheat 1997 boiler have a heat exchanger, and where would my friend find it?
Mend boiler central heating radiators
4

Ghost heating?

Potterton neata heat 16-22 Mark 2 F about 18 yrs old but still going strong serviced every year. Problem ... [Read more]
Mend boiler pressure combi
1

hi i have a baxi 105 he combi boiler with a constant drip from overflow ?

hi i have abaxi 105he combi with a constant drip from overflow pipe outside pressure gauge varies between 2-3 ... [Read more]
Mend boiler heating vaillant

hi have vailiant turbo max vuw?

the boiler dosent fire up when i demand for DHW and CHW,even wen i turn off and then turn on the pump works bu... [Read more]
Mend water going time

WATER GOING HOT AND COLD?

WHEN I RUN THE HOT WATER OR THE SHOWER THE WATER NEVER SEEMS TO STAY AT A CONSTANT TEMP GOING HOT AND COLD ALL... [Read more]
Mend combi boiler heating vaillant
2

I have valliant turbomax vuw242/1e 282/1e combi boiler,heating works fine? ?

I have valliant turbomax vuw242/1e 282/1e combi boiler,heating works fine?
Mend combi boiler heating repair
2

help me fix my boiler worcester 240 combi?

I dont seem to be getting any hot water upstairs and when i turn an upstairs tap on the boiler doesnt fire but... [Read more]
Mend heating leak valve
1

water leak?

i have just had a new diverer valve fitted,due to no hot water.now i have a very small leak.
Mend fire cleaned help
2

riello burner 485t50?

Riello burner 485t50 wont fire up have cleaned and checked. tried to see if there was an air lock still not fi... [Read more]
Mend control box fuse
2

How can you tell a relay is blown?

When delving into the control box of my heating sytem to replace the fuse on the PCB, I stupidly had not check... [Read more]
Mend boiler heating combi

ferroli combi boiler?

hi,my hot water is at the same temperature all the time and it is boiling hot. Burnt my hands. I have altered ... [Read more]
Mend Viessmann Boiler Heating
1

where is blue tap on 24 hxi?

I can't find blue tap
Mend Worcester Boiler Heating

boiler not firing?

my worcester bosch greenstar 30cdi gas boiler (normal--NOT coombi) has digits 25(sometimes changes, like 20 or... [Read more]
Mend ff need one

Apollo Fanfare ff 30/50 cover - I need one!?

I am very keen to get my hands on an outer cover for an Apollo Fanfare ff 30/50. Regrettably a previous owner... [Read more]
Mend boiler heating Worcester
1

worcester 28Si?

I have a flashing 'on' red light where I usually have a solid light??? No Heating any suggestions

How can I mend my ...

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