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We have 483 questions about mending 'hot water bar'

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Mend Heating, Home Heating Systems

Heating not coming on - Worcester Greenstar 37cdi?

I have a Worcester Greenstar 37cdi and currently the heating is not being triggered by the Digistat RF3. We ha... [Read more]
Mend Heating, Home Heating Systems

baxi 105e?

i have no hot water on the ground floor & water is dripping from pressure relief valve pipe,as system pressure... [Read more]
Mend D.I.Y, Plumbing

Urgent Help Needed For Heating Issue?

Hi All, I have a modena 80e model boiler and have just attempted to fire up my central heating. The issue ... [Read more]
Mend Heating, Home Heating Systems

How can i fix glow worm 30 cxi combi boiler ?

Can you please advise me. I have f5 in red flashing on boiler. heating was fine earlier, then turned on hot wa... [Read more]
Mend D.I.Y, General D.I.Y

i can't pressurise my boiler?

i have followed the instructions on how to pressurise my vokera linea boiler but when i open the inlet valve n... [Read more]
Mend Heating, Home Heating Systems

Vokera Linea Max - hot cycling after re pressurising expansion vessel?

I have re pressurised the expansion vessel to 12psi having isolated and drained the boiler. The vessel now hol... [Read more]
Mend Heating, Home Heating Systems

worcester bosch boiler - pressure problems?

COLD- pressure is less than 1. demanding hot water trips the boiler. I turn the central heating on and the... [Read more]
Mend Heating, Home Heating Systems

I have a Ferroli F30 combi boiler?

The DHW doesn't run hot all the time (running cold after a couple of minutes) also the boiler bar pressure kee... [Read more]
Mend Heating, Home Heating Systems

vaillant ecomax 824e flashing e20,e13,f20. How to fix it?

Thing is, that my boiler (which is vaillant ecomax824e) use to go through these codes e20 and then f 20, or e1... [Read more]
Mend Heating, Home Heating Systems

hot water worstar 280?

when running the hot water the hot water reaches temp the boiler starts bubbling and the pressure in the boile... [Read more]
Mend D.I.Y, Plumbing

ravenheat h85t looses pressure on ch only?

I have had my boiler switched to dhw only through summer ,now its dropped cold but back to ch/dhw works fine o... [Read more]
Mend Heating, Home Heating Systems

reset button flashing?

I have no hot water! The Worcester Greenstar Junior 28i reset button is flashing and when I turn the hot water... [Read more]
Mend Heating, Home Heating Systems

how can i fix my combi 80?

combi 80 set pressure gauge to 1 bar start central heating system pressure gauge rises to 3 bars then i ha... [Read more]
Mend Heating, Home Heating Systems

Baxi Combi 133 HE Plus loosing WAY to much pressure?

Hope you can lend some advise, I recently had the above boiler installed and I am only running 4 radiators at ... [Read more]
Mend Heating, Home Heating Systems

Baxi Combi 133 HE Plus loosing WAY to much pressure?

Hope you can lend some advise, I recently had the above boiler installed and I am only running 4 radiators at ... [Read more]
Mend Heating, Home Heating Systems

Noisy Baxi 105he ?

I have a 3 year old Baxi 105he instant with a noise problem. After using hot water demand, eg shower, and the ... [Read more]
Mend Heating, Home Heating Systems

potterton flowsure plus?

hot water and central heating work however my problem is this: couple of weeks ago boiler seemed to 'cycle' a... [Read more]
Mend Heating, Home Heating Systems

Valillant Boiler VCW GB 242E ?

Keeps loosing pressure when pressurised to1.5 bar ,hot water work fine,but heating side. I have replaced new p... [Read more]
Mend Heating, Home Heating Systems

how can I fix my Worchester Bosh 28i?

water tap accidently knocked and constantly filling for over 24 hours, now tanks drained to 1.5 bar we cannot ... [Read more]
Mend Heating, Home Heating Systems

How do I increase the pressure on my boiler?

I have a Baxi Combi 105 HE Boiler. I have recently noticed the pressure gauge dropping to around 0.5 bar or ... [Read more]

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