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We have 2154 questions about mending 'off valve that become' in category Heating, Home Heating Systems which have been answered

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Mend heating flow ferroli

what is the part number for a central heating flow outlet valve on a ferrol?

What is the part number for a central heating flow outlet valve for a ferroli optima901 boiler
Mend hot cold 24 water

hot watergoing cold?

boiler is an micro genus 2 -24 mffi whenrunning water it goes cold was told to change sensors for ch on divert... [Read more]
Mend fitted boiler years

Thermal Coupler?

I have fitted a new thermal coupler to my boiler which I have done a number of times over the years. However t... [Read more]
Mend problems 38 c

Pressure problems with Optimax HE PLUS 38 C?

The pressure keeps rising even with the filling loop removed and blanked off. Can drain down to 1Bar and over ... [Read more]
Mend replaced times year

I have replaced my thermocoupler 3 times in the last year?

Thermocouple has been replaced 3 times. They only lasted a few weeks. I replaced the last one with a OEM it on... [Read more]
Mend open long time

Problem with my boiler?

When I open my hot tap the boiler takes a long time to kick in. Sometimes I have to open two taps. Could it b... [Read more]
Mend 30 combi boiler water

halstead ace he 30 combi boiler?

boiler is working fine hot water and heating but goes over pressure blows off through pressure release valve. ... [Read more]
Mend vaillan eco tec plus

how can i fix my vaillan eco tec plus?

how can i fix my vaillan eco tec plus boiler it is leaking from a valve inside and it says f22 on the front of... [Read more]
Mend started cut filter

heatline vizo pressurizing?

I have a heatline vizo 24 and it started to pressurize and cut out. I checked the gauze filter under the pump ... [Read more]
Mend baxi turned turn boiler

Baxi combi 105e turned off to stop a leak but how to turn off gas?

i want to make sure my boiler is safe until i track down a plumber. I turned off the boiler at the mains whic... [Read more]
Mend worcester making loud

Worcester Greenstar Ri started whistling this morning?

Our Worcester Greenstar Ri boiler started making a rather loud high pitched whistling- type noise this morning... [Read more]
Mend fine heating upstairs

potterton performa 30 HE?

Hi water working fine but when central heating is turned on upstairs radiators work ok but downstairs nothing.... [Read more]
Mend valve needs replacing

how to tell if motorised valve needs replacing?

boiler fires and reaches temperature but does not cut out.room thermostat turns off at required temperature bu... [Read more]
Mend boiler problem hot switched

Motorised valve for boiler?

I have a problem with my boiler- i only get hot water when the CH is switched on - i think the problem is with... [Read more]
Mend boiler not working

Boiler not working!?

Hi all, Could anyone advise on some basic fault detection methods for boilers? I have a Vokera Compact HE w... [Read more]
Mend pressure pipe boiler fine

how do i stop my overflow or pressure pipe from dripping?

I have a ferroli medina 102 and the pressure pipe ( or overflow pipe keeps dripping) the boiler is working fi... [Read more]
Mend problem boiler sunday

Problem with Vokeria boiler 20e, and it is a Sunday!?

pressure gauge is showing 3 is this ok and safe. I need to check if closed position to filling valve is correc... [Read more]
Mend y mid valve fault

Y Plan - Mid Position Valve 'fault'?

Hi, I have BGMVSP-23 'mid position' valve. (I believe a Y plan setup) Basically the pump only runs when ... [Read more]
Mend boiler pressure heating loop

My Ariston Combi A boiler keeps losing pressure from Central heating loop?

Heating loop pressure drops to the red line twice a day. Cannot find any leaks from any of radiator and no lea... [Read more]
Mend ed water outside

morco feb24 ed leaking hot water outside?

When the system boosts the heating it poor's hot water outside the caravan, the pressure was really high and w... [Read more]

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