How to mend ... Water Valve Boiler

Central heatin only works with hot water on?

I have a potterton boiler that only fires up when hot water is switchted on.Once water gets to required temper... [Read more]

Ferroli optima 701 (combi boiler)?

The water pressure in the boiler creeps up to 3 bar, I have previously reduced the pressure in the system by d... [Read more]

How do i fix Saunier Duval boiler - Model Thelia 623?

I have water seapage from the pump around the top of the serrated brass cap at the top of the pump (to the fro... [Read more]

Central Heating Problem - Potterton Flamingo 50?

I have a Potterton Flamingo 50 boiler, which caters for the central heating aswell. My radiators upstairs all... [Read more]

Pressure on eco max valliant boiler?

My pressure has dropped to 0 on my boiler there is a red valve under I which I think I need to turn to let the... [Read more]

Glow-worm combi boiler 100e information urgently needed?

where is the diverter valve on a Glow-worm 100e combi boiler and what do i need to do to change the diaphragm ... [Read more]

hi how do i turn the heating off but leave water on?

Got regular boiler ,stat is down, programmer hot water switch is on, heat switch is off but heating still come... [Read more]

How can I fix my Turbomax 824?

I have a Vaillant Turbomax 824 combi boiler. Recently, when I open the hot water tap without CH on, the water ... [Read more]

Pressure rising each time boiler used?

Have Glow-worm Combi 30ci plus. Had the (cracked) expansion vessel replaced after leaking. Boiler pressure now... [Read more]

Sime super 90 combi boiler, low water pressure from dhw taps?

I have just replaced the diaphram in the Diverter valve, but still have very low pressure and no running water... [Read more]

Why does the pressure keep rising?

I recently had my bathroom tiled, in the process the builder took the radiator off of the wall, after refittin... [Read more]

how can i fix my vaillant vcw gb 240?

the fan on the boiler runs constantly, it gives hot water but no heating. there is presure of 1.5 bar i have o... [Read more]

What's wrong with my Worcester 28CDi RSF Boiler?

My boiler is approx. 6 years old and covered by BG Homecare, BUT....... after fitting a thermistor sensor, a m... [Read more]

boiler pressure runs very high when heating is on?

boiler pressure runs very high when heating is on. Pressure valve opens and vents water but pressure does not ... [Read more]

water leak when tap turned on?

boiler leaks when tap turned on from valve at bottom left hand side

Why do the diaphragms in my Vokera XL80sp keep perishing?

Ive had the boiler for about ten years now and its been reliable apart from the main (large) diaphragm in the ... [Read more]

How can I lit a Myson 700C Marathon boiler?

I have just moved to a new house. Before I moved in, the main gas valve was switched off by the previous owner... [Read more]

Sime hot water?

Boiler Sime Planet 100e Combi boiler. The hot water delivery varies from hot to cold. The diaphram in the di... [Read more]

combiboiler minic24 hot water problems?

i have a combi mini c24 heating/hot water boiler and when i turn the taps on the hot water do... [Read more]

Why is my Vaillant Turbomax VUW boiler pressure dropping after a service??

Hi, I had my boiler serviced and repaired (replacement diaphragm and push rod as micro switch wasn't workin... [Read more]