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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?

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

My worcester 28i Junior boiler is not working?
My worcester 28i Junior boiler is not working?

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

DRAYTON DIGISTAT RF1 WIRELESS THERMOSTAT?
Drayton digistat rf1 wireless thermostat?

Mend boiler failure ignition
1

how can i fix my vokera unica he?

red light comes on and heating stops with code 10 flashing. = ignition failure, which it is not because it com... [Read more]
Mend boiler heating combi
1

Sime combi boiler?

The electric is on but i have no lights on my boiler and it isnt working.. its a Heatline Vizo 24 if that help... [Read more]
Mend boiler leak central heating

leaking boiler?

looking for what I can use to fix leak in side boiler I have a central boiler,that holds 400 gal. of water, t... [Read more]
Mend error f17 help
3

I get an error comand F17 at ThemaClasic F25 { Saunier Duval}?

Hi, can someone help me, I get an error at my ThemaClasic F25 { Saunier Duval} F17 ----? what does it mean ?... [Read more]
Mend boiler over heating
1

boiler over heating?

boiler comes on when the boiler is hot water only, it then overheats and knocks off heating flow gets very ho... [Read more]
Mend format boiler leaking

does my sime format 80c boiler qualify for the government scrappage scheme?

i have a sime format 80c boiler and wish to know if it qualifies for the government scrappage scheme as it is ... [Read more]
Mend heating led fan

thema f 23 lights flashing?

i have green led power off red leds fan and call flashing 4 times every 15 sec together
Mend boiler heating temperature

how to fix my boiler?

Can anybody please help me? I have a baxi solo wm 40/4rm boiler which is not firing up. The pilot light is on... [Read more]
Mend electric 20 house

how can I fix mt Lennox furnance?

My electric Lennox furnance discharges 20 + degrees warmer at one end of my house than the other end.It's a si... [Read more]
Mend boiler pressure heating systems
1

how can i stop my ferroli optimax he 31e from losing pressure?

pressure drops by half a bar every day , resulting in topping up every other day. any suggestions on how to st... [Read more]
Mend boiler heating Worcester
1

worcester 28i?

gone off won,t flame up no heating or water
Mend Vaillant Boiler Heating

heating?

i have the same problem with the vaillant problem
Mend heating fault engineers

fault with biasi boiler?

we have a biasi 32s boiler, which the flame goes off leaving no heating no hot water, you then have to turn th... [Read more]
Mend combi boiler heating fault intermittent
4

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]
Mend oil boiler Worcester lockout

worcester oil boiler keeps locking out after 20 mins?

my oil boiler keeps locking out after 20 mins ?
Mend boiler heating fault
1

how can I fix my Glow worm 24ci boiler?

the filling system tap does not pressurise the system.Is this a common fault, and if the tap is replaced will ... [Read more]
Mend boiler baxi ignitor
3

How can i fix my baxi solo 2 pf30 boiler?

Have new control board, boiler led lit, fan runs, fan led, lit, no spark at ignitor, can this only be faulty i... [Read more]
Mend Potterton Thermostat Home Heating
1

wont switch off?

potterton performa 24 wont switch off working with out programer and wall thermostat
Mend heating hot water system
2

boiler keeps switching off?

c&m 80 boiler keeps switching off leaving me with no hot water, ive been told it could be something called the... [Read more]
Mend light moved house
1

pilot light (worchester 28si 11)?

just moved into new house but cannot find how to ignight the pilot light any body help

How can I mend my ...

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