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We have 239 questions about mending 'boiler changed pressure'

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Mend Heating, Home Heating Systems

I have a Ravenheat Combi boiler(2003) radiators are not working?

I have a Ravenheat Combi boiler(2003) the radiators are not working. I have changed both thermisters and the t... [Read more]
Mend Heating, Home Heating Systems

Ferroli 102 Modena- no power to boiler -?

have gas + elec - power is gping thur to fused spur but not to boiler, was working ok but just suddenly stopp... [Read more]
Mend Heating, Home Heating Systems

eurocal boiler?

Hi, my 12 year old eurocal oil combi boiler has been troublesome for some time. 1. water pressure goes high ,... [Read more]
Mend Heating, Home Heating Systems

my Ravenheat 820/20 combi keeps overheating?

when the boiler powers up on central heating the boiler keeps running and makes the water presure go above 3 b... [Read more]
Mend Heating, Home Heating Systems

Baxi 35/60 not firing?

I have a 35/60 Baxi system boiler and I am having trouble with the boiler not firing. Initially narrowed the f... [Read more]
Mend Heating, Home Heating Systems

Valiant Eco tech plus combi bolier?

I recently had my filling loop and valve changed, as i had a problem with the pressure going up and i had to k... [Read more]
Mend Heating, Home Heating Systems

how can i fix combi?

have no ignition on my ferroli falcon 2 combi ,yet when i remove the inner cover the boiler fires.have changed... [Read more]
Mend Heating, Home Heating Systems

how can i fix my boiler?

i have a baxi combi 105 HE which heats water to taps but wont heat the radiators.i have recently changed 2 rad... [Read more]
Mend Heating, Home Heating Systems

Vokera HE35 has no heating but have hot water, how can I fix this?

Our boiler is not working properly on return from holiday we found we can only get hit water & no heating. I'... [Read more]
Mend Heating, Home Heating Systems

how can i fix my 24cdi ?

my reset button begins to flash about 3 times a day, the radiators are not even on and the boiler seems to do ... [Read more]
Mend Heating, Home Heating Systems

ferroli optimax HE31C the digital display is saying 'no CN''? ?

We have no hot water or central heating, no other error code is displayed. I've turned off at the mains, press... [Read more]
Mend Heating, Home Heating Systems

Glow worm betacom 30 c boiler error code 70 flashing?

Error code 70 flashing, boiler not lit, no hot water. replaced air pressure switch as that what the manual say... [Read more]
Mend Heating, Home Heating Systems

no hot water on my worcester 240bf?

Boiler lights up but have no hot water i have changed the diverter diaphram and can see the micro switch worki... [Read more]
Mend Heating, Home Heating Systems

Baxi Combi Instant 105e - Pressure Gauge?

My Baxi Combi instant 105e Boiler Gauge keeps dropping to zero pressure, after repressurising and during opera... [Read more]
Mend Heating, Home Heating Systems

boilerwill not fire up?

have a volkeri boiler it will not light up unless i open cover plate to burners have changed fan and pressu... [Read more]
Mend Heating, Home Heating Systems

potterton promax boiler loosing pressure?

My boiler keeps loosing pressure soon after heating turned off. engineer has changed the pressure valve and fo... [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

Pressure constantly dropping and then the heating will not operate?

The pressure is set at approximately 1.5-2.0 bar. Over a period of 3-4 days the pressure drops to below 1.0 b... [Read more]
Mend Heating, Home Heating Systems

vaillant VUW 242e locked out?

as soon as boiler is switched on it goes to lock out immediately, pump runs, green light on, orange heating de... [Read more]
Mend Heating, Home Heating Systems

How do i stop the loss of Pressure in my Halstead ace boiler?

Having changed the Diaphram on the diverter valve the boiler is constantly loosing pressure.How can I stop thi... [Read more]
Pages 12111098

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