How to mend ... Pressure Boiler Cold

airlock in 1/2 of a zone?

sounds wierd but i have a 2 zone system {1st floor and basement} my 1st floor is split into {kitchen, LR, Bat... [Read more]

Why is the pressure on my Ariston boiler rising to nearly 4 Bar?

Hi Can anyone please advise me on why my Ariston Eurcombi A/27 MFFI pressure is rising from just over 1 Bar... [Read more]

Pressure vaillant echo Tec Boiler?

When i put the heating on for a few hours then turn it off and turn a hot tap on the pressure in the boiler go... [Read more]

How can I fix an Ariston Microgeneous 27 MFFI - ignition failure?

Ps can you help...Have an Ariston Microgeneous 27 MFFI - ignition failure..and Drayton Wireless on wall next t... [Read more]

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]

Hot / Cold Water - Worcester Greenstar 37CDi Combi?

When I turned the shower on this morning the water went through bursts of hot water for about 1 minute then co... [Read more]

shower running hot then cold?

my heating system is run by a worcester 24i rsf boiler which is 12 years old. we have it serviced every year ... [Read more]

Vokera boiler problem?

Central heating works fine but the hot water is a nightmare, can start hot but then runs cold I may be mistake... [Read more]

low pressure?

My worcester 28si boiler has lost a lot of pressure to the hot water flow plus the water keeps going cold then... [Read more]

glow worm compact 100e hot water problems?

I have hot water problems on my boiler, two days ago hot water stopped working. Found one fault which was dome... [Read more]

Glow-Worm 30cxi combi boiler. No hot water.CH ok?

Turning on hot tap produces 30 secs.tepid water, then permanent cold. Central heating fine. Pressure 1.5 bars.

Glow-Worm 30cxi combi boiler?

On turning on water runs tepid for 30 secs. then cold thereafter. Pressure indicating steady 1.5 bars. Central... [Read more]

I have a greenstar 25cdi gas condensing boiler. ?

The hot water temperature is'nt always getting hot. Never cold but sometimes lukewarm , sometimes hot? The c... [Read more]

how can i correct central heating pressure?

i have one radiator which is half way warm and half cold so i decided to bleed. i switched off the boiler and ... [Read more]

why ami losing pressure on my green star 28i junior boiler?

system and dhw working ok! check radiators for leaks and all topped up. The system is not dumping water ive ch... [Read more]

does cold water pressure make a difference to the hot water temperature?

i have a ferroli diesel boiler and the hot water temperature is not hot enough,does the cold water pressure m... [Read more]

Ideal Combi Logic boiler "L3" fault. ?

Whenever the temperature knob is turned up higher than half way, the boiler shuts down, flashing L and 3. Have... [Read more]

Greenstar CDi combi boiler overheating?

Hi, Greenstar CDi combi boiler 3 years old. Top floor radiators cold so bled, this dropped water pressure to z... [Read more]

Potterton Gold HE 24 Pressure and Water Problem?

I'v have had the boiler for a year now and although it's still under warranty, I'm not getting much joy from t... [Read more]

Ferroli Modena 102 luke warm hot water?

Any help have Modena 102 sometimes when 1st time calling CH the gas flame is very low if flame doesn't spread ... [Read more]