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We have 116 questions about mending 'room combi boiler'

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Mend Heating, Home Heating Systems

Programming Honeywell CM921?

Hi: The heating engineer installed this unit during installation of a new boiler. This is a 1 day wireless pro... [Read more]
Mend Heating, Home Heating Systems

combi boiler rsf 82et not working correctly?

my combi boiler is not working correctly, everytime you turn the tap on.its pot luck if you get hot water or n... [Read more]
Mend Heating, Home Heating Systems

is 25kw or 30kw combi boiler suitable for 6 room house?

is 25kw or 30kw combi boiler suitable for 6 room house
Mend Heating, Home Heating Systems

wiring danfoss 103 timer to a danfoss ret230p thermostat?

I have a Sunier Duval SD 620 combi boiler and have a Danfosse 103 timer ~ old but reliable ~ Im fitting a Danf... [Read more]
Mend Heating, Home Heating Systems

wiring danfoss 103 timer to a danfoss ret230p thermostat?

I have a Sunier Duval SD 620 combi boiler and have a Danfosse 103 timer ~ old but reliable ~ Im fitting a Danf... [Read more]
Mend Heating, Home Heating Systems

Wiring a Danfosse 103 timer to a Danfosse RET 230P Thermostat?

I have a Sunier Duval SD 620 combi boiler and have a Danfosse 103 timer ~ old but reliable ~ Im fitting a Danf... [Read more]
Mend Heating, Home Heating Systems

worcester 24i combi overheating?

My 11 year old worcester 241 combi has just had a new pressure reservoir fitted. since then the boiler trips ... [Read more]
Mend Heating, Home Heating Systems

baxi 105 combi ?

hi got a flashing 30 degree light on my baxi 105 combi. turn the reset button the boiler will work central hea... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Danfoss TP5000 + RF programmable room thermostat ?

This is a wireless thermostat as combi boiler is in roofspace. No problems for three years, but now will not ... [Read more]
Mend Heating, Home Heating Systems

Ravenheat combi not shutting down?

My Ravenheat RSF 820 cuts in with the room stat but will not shut down even pressing the summer winter switch ... [Read more]
Mend Heating, Home Heating Systems

My radiators on the first floor do not work until I run some hot water?

We have a problem with our Worcester Bosch “Heatslave 26/32 RS0 GB oil Combi” boiler, which provides hot w... [Read more]
Mend Heating, Home Heating Systems

why does the clock go out?

if I connect a room stat to my ferroli 31c combi boiler when the theromstat is switched on the clock goes out ... [Read more]
Mend Heating, Home Heating Systems

what is wrong with boiler?

I ahve a Potterton combi boiler and 3weeks ago it started firing for 3 mins then turning off for 2 mins then o... [Read more]
Mend Heating, Home Heating Systems

Express 100 combi boiler does not fire up?

My Glow worm Express 100 combi boiler is nearly 20 years old. I have a problem where the main burner does not ... [Read more]
Mend Heating, Home Heating Systems

Rad hot even when boiler on hot water only setting?

Main radiator (in room with room thermostat has 2 locksheild valves) is always warm/hot even when combi (voker... [Read more]
Mend Heating, Home Heating Systems

sime 80 combi boiler cutting out?

my boiler fires up for about fifteen seconds then goes off for five mins so the rads get warm but never get ho... [Read more]
Mend Heating, Home Heating Systems

New Glowworm 24c betacom- not heating radiators?

We had a brand new Glowworm 24c beta com combi boiler installed last week, with a digital thermostat in the li... [Read more]
Mend Heating, Home Heating Systems

i want to fit a room stat to a worcester 28i junior?

i want to fit a room stat to a worcester 28i junior combi boiler
Mend Heating, Home Heating Systems

how do i get uniform heating throughout the house?

I have an Ariston combi boiler - i find the radiator in the dining room heating up fine, but the adjacent bedr... [Read more]
Mend D.I.Y, Switches and Sockets

Room stat query regarding a relay?

Need to fit a ferroli combi for a customer, the only thing is the combi also goes through two zone valves to g... [Read more]
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