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Mend Heating, Home Heating Systems

Flamerite Isis Fire?

i need a new mother board for my flamerite isis fire do you know where i can purchase one

Mend 30 boiler fire flashing

Worcester 30 Cadillac combi boiler won’t fire up and the EA?

my worcester 30 cdi combi combi boiler wont fire up and ''ea'' keeps flashing? my worcester 30 cdi combi bo... [Read more]

Mend boiler heating lockout

Greenstar 24Ri boiler, fast flashing - can I reset?

Greenstar 24Ri boiler won't light and the blue light is fast flashing. From the manual I can see that the iss... [Read more]

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Mend Dhw

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We have 604 questions about mending 'dhw' in category Heating, Home Heating Systems

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Mend central heating hot water

Alpha Boiler CB24/28?

Central heating works but no domestic hot water, have changed DHW SENSOR, with no effect, whats the next ste... [Read more]

Mend boiler lockout vaillant

Lock out problem with vaillant turbomax plus?

My turbomax plus 828e locks out under the following circumstances.1 If I draw hot water when the boiler is co... [Read more]

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Sime Friendly BF combi - no htg no dhw?

Help.. Sime friendly combi, pilot is lit, pump runs constantly, but no response to htg or hot water demand ... [Read more]

Mend falcon light heating

ferolli falcon startup prob?

hi got a ferolli falcon 25kw combi power light and heating light on when no demand and does'nt fire up when de... [Read more]

Mend 24 working fine

glow worm betacom 24 no hot water?

the heating is working fine but wont fire up on dhw, fan and pump not running which they do when heating is on... [Read more]

Mend boiler heating fine hot water

biasi 24s DHW?

i have a baisi 24s boiler heating works fine hot water runs hot and cold? any suggestios

Mend boiler central heating worcester

worcester 28i junior no hot water?

can anybody help please, ive just fitted a 28i junior,i bought this boiler 3 years ago but only just fitted it... [Read more]

Mend problem hot water

Baxie105e Instant. Problem with hot water?

Have replaced the DHW Tempture sensor. This has not cured the problem and the BOILER is still turning itself o... [Read more]

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combi 80eco boiler faults?

when dhw selected only , heating fires up , new pcb board fitted , i suspect either on , off , reset switch fa... [Read more]

Mend boiler heating hot water

how can i fix my Sime Friendly Format 100E Boiler?

When the hot water is drawn off the boiler fires up heats the water the boiler then cuts in & out so the showe... [Read more]

Mend boiler central heating fault

How can i fix my Potterton Puma 80, DHW won't work unless CH. is on?

My Potterton Puma 80, (permanent pilot), will not supply DHW. unless the Central Heating is also turned on.

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Hot water intermittent?

I'm having trouble with hot water, it doesn't heat up when the radiators aren't on we have to switch it on whe... [Read more]

Mend heating thermostat sensor

raven heat boiler wont fire ?

hi i have a raven heat boiler ls100t that donsnt fire up i have changed dhw and overheat themostat sensor and ... [Read more]

Mend turn boiler set

ideal isarhe24 dhw works ch doesnt ?

i turn boiler off at night &back on a.m thermo set to manual. pressure between 2&3

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How do you change the DHW thermostat on a boiler?

The boiler in question is a vaillant vcw gb 242e

Mend boiler heating flow switch

Vokera Maxin 28e DHW problems?

Takes quite a while for water to run hot with CH either on or off. Have checked the DHW diaphragm and it is fi... [Read more]

Mend boiler ferroli modena fault

my ferroli modena 102 boiler lights only for a few swconds then cuts out?

Hiya, can anyone help, I have a ferroli modena 102 boiler, it has stopped running both the DHW and CH, it'll s... [Read more]

Potterton 50E Neataheat profile - No Central Heating? ?

Potterton 50E Neataheat profile ( conventional heating system)... Hot water is working on demand.. ok C... [Read more]

Mend ravenheat boiler heating

ravenheat csi 85a-csi 85at combi boiler?

I have the above mentioned combi boiler, the heating has now stopped working, DHW is running fine. I have noti... [Read more]

Mend intermittent hot water

intermittent hot water ?

I have wall mountd worcster 30cdi - 3 yrs old .CH is working fine. the hot water supply pipe runs between dwn ... [Read more]

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Mend thermostat siemens rdj10rf receiver

Siemens RDJ10RF thermostat problem?

Mend boiler thermostat replacement

Oil fired boiler thermostat?

Mend boiler heating lockout

Greenstar 24Ri boiler, fast flashing - can I reset?

Mend vaillant ecotec boiler

Vaillant ecotec 831 plus?

Mend 30 boiler fire flashing

Worcester 30 Cadillac combi boiler won’t fire up and the EA?

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Remove cover off gas boiler?

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Remove boiler cover?

Mend Heating, Home Heating Systems

How to fix my fireplace?

Mend worcester boiler radiators months

Worcester boiler dripping water?

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