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We have 408 questions about mending 'hot water pressure central heating'

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Mend Heating, Home Heating Systems

MORCO feb 24 Boiler heats ok but locks out when temp reached?

I have a fault on my Morco feb24e boiler central heating - it's failing with fault code (no flashes) which say... [Read more]
Mend Heating, Home Heating Systems

Glow Worm Swiftflow 80?

Everything works properly when turning on Central Heating and or Hot water when getting in from work. However ... [Read more]
Mend Heating, Home Heating Systems

Condensing boiler overflow dripping?

We moved into a newbuild 18 months ago but over the last 2 months the overflow pipe to my boiler (located dire... [Read more]
Mend Heating, Home Heating Systems

Does my boiler need it's gas pressure adjusting ?

My Sabre 35 Combi boiler fires up ok when i turn on the hot water tap, but the water has to run for ages befor... [Read more]
Mend Heating, Home Heating Systems

vaillant eco-tec plus combi boiler?

i have great central heating but very low pressure from hot water taps, what should i check.
Mend Heating, Home Heating Systems

Potterton puma 80e - no pilot light?

Boiler been working fine until Sunday night, Ran a bath as normal but then also tried to fill the sink but no ... [Read more]
Mend Heating, Home Heating Systems

pressure keeps falling?

I have a Remeha Avanta 28c ECO. I've returned from overseas after my wife had reduced the temperature to 20 de... [Read more]
Mend Heating, Home Heating Systems

Baxi 105e trips all the time?

Baxi 105e works to give hot water all the time but when central heating is on it trips on the 60 led which is ... [Read more]
Mend Heating, Home Heating Systems

valient turbomax 242eh central heating will not operate once it reaches tem?

242 eh installed with 3 rads the boiler works fine in hot water when in ch and hot water mode ch reaches temp ... [Read more]
Mend Heating, Home Heating Systems

Remeha avanta plus code 8 on display?

Hi there, I have a remeha avanta 30s. My hot water works fine but my central heating doesn't work at all. I've... [Read more]
Mend D.I.Y, Plumbing

Can't get hot water but central heating is working fine, any ideas??

Ferroli Boiler Optimax HE 31C. Bar pressure and temperature is fine
Mend Heating, Home Heating Systems

how to fix combi boiler problem?

Ravenheat CSI 85 780 series combi boiler fitted 3 months ago, hot water fine but when central heating is on ca... [Read more]
Mend Heating, Home Heating Systems

Remeha Avanta plus - No heating but hot water is flowing?

I have a problem with my Rehema Avanta plus boiler. It was working perfectly well but on Monday 29th October, ... [Read more]
Mend Heating, Home Heating Systems

Burner on Sime Friendly Format 80E switches off?

Hi and help. My friendly format 80E is not so friendly, The burner in central heating mode will just switch o... [Read more]
Mend Heating, Home Heating Systems

vaillant ecoTEC plus 428 displaying fault 98?

Hi - We cannot get the central heating to work however the hot water and underfloor heating in the kitchen is ... [Read more]
Mend Heating, Home Heating Systems

boiler pressure drops to nil after use!!!?

i can use the hot water all day long and pressure stays same... i put central heating on and it works perfect,... [Read more]
Mend Heating, Home Heating Systems

why have i no hot water?

When i turn the hot water tap on the water is constantly cold. But when i put the central heating on the valve... [Read more]
Mend Heating, Home Heating Systems

How can i fix my halstead ace 24 boiler?

My boiler keeps flashing fault code 3, when this happens we have no hot water or central heating working. Howe... [Read more]
Mend Heating, Home Heating Systems

vokera boiler problem?

compact 24 central heating pressure gauge rises when domestic hot tap open + water flow from overflow when i o... [Read more]
Mend Heating, Home Heating Systems

Baxi combi 105 HE?

Hi, I can only get hot water at the tap when the central heating is on. The pressure switch works but the pin ... [Read more]

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