How to mend ... Central Heating Diaphragm

Central heating boiler ignition lockout?

I have an ongoing problem with my boiler, a Worcester Bosch 28Cdi. From time to time the central heating ligh... [Read more]

replace Ariston eurocombi A23 diverter valve?

Is this really neccessary,full replacement rather than just replace the diaphragm? im being quoted for parts a... [Read more]

Halstead Boiler - CH working but no hot water?

Hi, I've got a Halstead Quattro Gold combi boiler, the other day the hot water stopped working but the cent... [Read more]

My vaillant 824e only either gives hot water or central heating?

My vaillant 824e combi boiler only gives hot water or central heating. If I am wanting hot water I have to swi... [Read more]

vokera excel 80 sp ,heating but water only warm?

engineer been ,replaced diaphragm and sensor ,but water is only tepid ,but hot when central heating on ..he sa... [Read more]

Intermittent hot water with my Vaillant TURBOmax VUW 242E?

For the past 4 months I have had intermittent hot water with my Vaillant TURBOmax VUW 242E, well rather luke w... [Read more]

Vokera Excell 80SP - Central Heating won't start?

Hi, I have the above boiler and recently asked a question about replacing the diaphragm. Thanks to whoever ... [Read more]

No hot water with Vokera Excell 80sp?

Central heating is fine but no hot water. Diaphragm is ok and microswitch makes clicky noise and works if push... [Read more]

hot water for sink/shower temp fluctuates?

I have a Vokera excell 80 SP ---10 years old recently serviced(new diaphragm etc) central heating appears ok i... [Read more]

hot water for sink/shower temp fluctuates?

I have a Vokera excell 80 SP ---10 years old recently serviced(new diaphragm etc) central heating appears ok i... [Read more]

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]

Sime Super 90 - heating comes on when hot water truned on?

My Sime super 90 has these problems: * always heats the central heating when the hot tap is turned on *... [Read more]

Vaillant Turbomax 242E problem?

Would be very grateful for your help here, I have a Vaillant Turbomax 242E combi boiler that in the last Two d... [Read more]

worcester bosch 230 combi rsf?

No hot water, only when central heating on. I have identified the problem as being the diaphragm plunger is... [Read more]

vaillant vcw-gb 242 eh not igniting to either heat dhw or ch?

boiler was drained to look at water valve diaphragm as central heating was not working (ie) diverter valve no... [Read more]

Vaillant VCW GB 242 EH no hot water?

Hi i have a problem that i have not hot water, but my central heating works fine, does it sound like i need a ... [Read more]

How can I fix my 3way diverter f valve on my Ravenheat combi boiler?

Since taking the 3way valve off my combi boiler to change the diaphragm the domestic hotwater is not switching... [Read more]

Why does the hot water on my Ravenheat boiler sometimes come out cool?

A Ravenheat 820/20 combi boiler, had diverter valve diaphragm replaced last year as it had perished, now occas... [Read more]

How do I change a Diaphragm on a 20/80 flowmatic VOKERA combi boiler?

Central heating working ok.Hot water starts to heat up but then runs tepid.So how do I change the Diaphragm.

how can i fix my vokera 20/80 rs flowmatic?

i have central heating but no hot water. a freind says it will be the diaphragm? can somebody explain how t fi... [Read more]