How to mend ... Combi Water Boiler

boiler only gives hot water when heating on?

I have a whitestar 100t combi boiler, it started playing up, when turning on hot tap the boiler fires up then... [Read more]

HOW CAN I FIX MY VOKERA BOILER LOSING PRESSURE WHEN CENTRAL HEATING ON?

HOW CAN I FIX MY VOKERA LINEA 24 COMBI BOILER LOSING PRESSURE WHEN CENTRAL HEATING ON WITH WATER COMING OUT OF... [Read more]

Why does my Biasi combi boiler central heating pump run constantly?

I am not sure if this is normal or not, but mr combi boiler's pump runs constantly when on. It turns on and of... [Read more]

How can I stabilise my Worcester Bosch 35CDi combi boiler pressure?

There has been a sudden drop in pressure from 1.8 bar to 0.7 bar. Repressurising with added water back to 1.8... [Read more]

How can I raise water pressure on my Main Combi 24 HE boiler?

We bled our radiators last night as some were not getting hot all over. Today the pressure on boiler is at 0 &... [Read more]

no hot water in combi?

i have a vailant combi boiler roughly 25 years old, everytime i turn the hot water on the central heating come... [Read more]

Combi Boiler Pressure at zero when not operating?

I recently had a repair on my combi. The hot water kept going cold - not very pleasant when taking a shower! ... [Read more]

dhw? on combi boiler?

The central heating side of the boiler works but the dhw does not. If you run 2 taps for a while eventually th... [Read more]

could it be a thermistor?

trying to find out whats wrong with my vokera option combi, it fires up on hw then trips out, the water then g... [Read more]

how can i fix my vokera combi boiler linea 24 ?

the pressure gauge is at zero and when i restore pressure it returns to zero and water comes out of small over... [Read more]

How can I sort out pressure on my Worcester combi boiler?

The pressure gauge on my Worcester Bosch Combi boiler suddenly shot up to maximum and water was running from t... [Read more]

no hot water?

30 year old vaillant combi boiler, when i turn the hot water tap on it does not heat the water instead it heat... [Read more]

My Worcester 24i Combi was working perfecly until I ran hot water tap?

Last night my Worcester 24i Combi was working O.K. until I turned on a hot water domestic tap. However, after ... [Read more]

hot water comes on and then goes cold combi boiler?

when i turn on the hot water the boiler will fire up ,the water goes hot runs for a short time and then goes c... [Read more]

My boiler has no thermostat connected. This is surely wrong?

I have just rented a house and found that there is no central heating thermostat connected. The landlord assur... [Read more]

how to fix baxi 133 he?

hi there i have a baxi 133he combi it all works fine apart from the pressure gauge sits at zero .then when the... [Read more]

ferroli combi boiler Pressure?

I re-pressurised my expansion tank about 18 months ago using instructions below:- 1. Switch off the boiler.... [Read more]

Eurocal oil fired boiler - HOT water for 60 seconds them only warm water?

Hi, I’m hoping you can offer some assistance with a 5 years old (Approx) Eurocal Oil-fired combi boiler ... [Read more]

(combi boiler)Sime super 90mk2 ?

there is hot water but no heating can ny one help please? thankyou

optima 701?

How do i change the pressure valve on optima 701 combi boiler? I am putting the pressure to 2bar, next day the... [Read more]