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Mend wrong running hot

What is wrong with my worcester 28CDi boiler?

I have a (very old) Worcester 28CDi boiler, which until this morning was running perfectly! However, tonight ... [Read more]
Mend hot heating weeks

Saunier Duval Thelia 623 has hot water but no heating help?

For the last 4 weeks i have had the boiler on Summer mode ie just used fof hot water which is ok , but when i ... [Read more]
Mend 242 hot water

how can i get my vcw GB 242 E H to fire up?

boiler is used for central heating only no hot water connected, boiler runs, fan runs pump runs but no sparki... [Read more]
Mend m getting hot

How can I fix my RSF820/80 - i'm not getting any hot water?

Ravenheat RSF 820/20 Combi. Working great for central heating, but although pressure is up, I am not getting a... [Read more]
Mend pressure water left

SD623 Pressure rising on heating?

Boiler fire,s up fine for hot water and heating . But when heating is left on the presure rise to 3 bar, when ... [Read more]
Mend problem combi boiler

problem with OCEAN style ff combi boiler?

1 water isn't hot enough unless we put the central heating on as well - then it is too hot 2 there has to be... [Read more]
Mend hot problem properly

Triton T80I - Hot water?

My T80i has recently developed a problem, The water does not seem to be heating properly. The water pressure i... [Read more]
Mend hot saunier duval

NO HOT WATERFILLING LOOP ON SAUNIER DUVAL SD 623?

SAUNIER DUVAL SD 623 COMBI BOILER PRESSURE AT ZERO BAR HEATING OK BUT NO HOT WATER. FILLING LOOP PESSURE LOOP... [Read more]
Mend heating hot water

no heating or hot water?

my thema classic has no hot water or heating, it is at correct pressure and the fan kicks in when tap is opene... [Read more]
Mend water pressure unit

no water pressure on vaillant hot water unit?

have had to remove central heating units to lay new floor .When put back there was no water pressure shown on ... [Read more]
Mend small pressure hot water heating

Megaflo with small extra kettle - pressure loss. Why?

I have a megaflo hot water and heating system in the house and where the tank is, there is a small red tank, a... [Read more]
Mend water sime 100e

Water pressure on a Sime 100e combi-boiler?

... after replacing the diverter valve diaphragm, dhw heat exchanger and cleaning the inline filter I'm still ... [Read more]
Mend boiler hot water heating working pressure

how can I fix my boiler ?

the only name I can find on my boiler is heatline. My hot water and central heating stopped working and the pr... [Read more]
Mend duval boiler shower

Saunier Duval Thelia 623 boiler / shower issue?

Saunier Duval Thelia 623 combi boiler The weathers nice at the mo so the cental heating has been off the l... [Read more]
Mend boiler moved property

reponse 80 ideal boiler help?

Hi I really hope someone can help me. just moved into a property and boiler has been working fine, both he... [Read more]
Mend vokera hot turned

Vokera combi?

Both heating and hot water working fine but when heating is turned off there is a significant pressure drop...... [Read more]
Mend worcester 24i junior

worcester 24I junior losing pressure?

I have a static caravan with a Worcester 24I Junior boiler. The pressure gauge goes down slowly over a period... [Read more]
Mend pressure fine hot water switch heating

high pressure when heatings on?

pressure fine when you just need hot water, when you switch t the heating on pressure goes past 3 bar and... [Read more]
Mend potterton boiler leak

potterton performer 28 leaks water?

when heating is switched on, the boiler seems to leak cold water from around the open 15mm pipe, under the ass... [Read more]
Mend pressure ferroli starts

very hot water,high pressure and drips.....ahhhh!?

recently moved into house with ferroli modena 80e,serial starts 99. well it is a nightmare. the water in showe... [Read more]

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