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We have 461 questions about mending 'set water heating'

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Mend Heating, Home Heating Systems

Ferroli 701 Continuous Heating?

When I set the switch to continuous hot water and heating , the heating through the radiators does not stay on... [Read more]
Mend Heating, Home Heating Systems

Why does my glow worm spacesaver 45-60 not fire up for the central heating?

The hot water works fine - the boiler fires up when it is set to hot water, but when set to central heating, t... [Read more]
Mend Heating, Home Heating Systems

How can I set the day and time on my Saunier Duval boiler?

I can't turn the heating on unless the day and time are set and we've had a power cut so the clock has been bl... [Read more]
Mend Heating, Home Heating Systems

NO LED lights and no hot water?

my Ariston Euro combi A/23 MFFI has suddenly stopped working. currently have it just set to hot water as no ce... [Read more]
Mend Heating, Home Heating Systems

how does the timer work?

Hi, Iv`e just moved into a property that has a ferroli optimax HE 31. Iv`e managed to work out how to get hot ... [Read more]
Mend Heating, Home Heating Systems

I have hot water but no central heating?

I have a valliant boiler. Digistat scr seems to be working ok. programmer is set for heating twice a day, have... [Read more]
Mend Heating, Home Heating Systems

hi my combi boiler wont fire up?

i have a worcester rd532i its only 3yrs old but wont fire up on water or heating. im a plumber so i have chec... [Read more]
Mend Heating, Home Heating Systems

hot water but no heating ?greenstar 24i?

we have hot water but no heating when i have set the remote programer to on - the boiler does nothing
Mend Heating, Home Heating Systems

how do i reset my ferrolli boiler?

i cannot set the boiler no hot water or heating it is flashing fh but no hot water. i have unplugged it now.
Mend Heating, Home Heating Systems

help with oil burning boiler?

we have had it up to here with this oil burning boiler we have. for 5 weeks we have iregular water and heating... [Read more]
Mend Heating, Home Heating Systems

low water temperature os my saunier duval SD623 boiler?

ow water temperature os my saunier duval SD623 boiler? the heating works ok but the hot water is not very h... [Read more]
Mend Heating, Home Heating Systems

Netaheat Profile 80e not lighting when call for heat?

I have a 20 year old Potterton Netaheat Profile 80e. Boiler heating water OK all summer. Wanted CH on today ... [Read more]
Mend Heating, Home Heating Systems

problems with my baxi combi 100he plus?

when i run the hot water it sometimes does not get hot and at the sametime i notice the central heating comes ... [Read more]
Mend Heating, Home Heating Systems

How can I set the hot water on a Jaguar gas combi-boiler? ?

Strange to say, the central heating system is working fine but when it comes to hot water...it won't reset!!
Mend Heating, Home Heating Systems

how to fix my reno HE30C combi series johnson & starley ?

my boiler is all on. my hot water is fine. but when i flick the switch up to put central heating on its not tu... [Read more]
Mend Heating, Home Heating Systems

Pump is sorted.How do i clean dhw heat exchanger Vaillant part no: 065053?

Pump is sorted by now. I have back hot water and central heating. But some problems with hot water persists. ... [Read more]
Mend Heating, Home Heating Systems

kettling on pottern 10 16?

my boiler kettles in the hot water mode only not when its in heating and hot water. temp stat is set at min bu... [Read more]
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

Halstead Ace Circa 2001 - Not Heating?

Problem – Intermittent fault or faults causing the boiler to cease heating water and or Central Heating. Oc... [Read more]
Mend Heating, Home Heating Systems

how can i fix my hot water, baxi 105e combi boiler?

i recently fitted a new set of mixer taps with shower head attachment to my bath, but when i turn the hot tap ... [Read more]

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