How to mend ... Diaphragm Valve Boiler

Failing hot water on a Saunier Duval F30E Themaclassic combi?

I have a 4 yr old Saunier F30E standard combi running on natural gas and the hot water is failing dismally. Ho... [Read more]

Water pressure on a Sime 100e combi-boiler?

... after replacing the diverter valve diaphragm, dhw heat exchanger and cleaning the inline filter I'm still ... [Read more]

Sime Super 90 DHW/divertor valve problems HELP!?

Just replaced the diaphragm in the diverter valve, and lubricated the spindle with silicone grease. Although t... [Read more]

Glowworm 30ci leaking?

A couple of days ago, I noticed that the heating was off. I used the internal control to fire it up, but there... [Read more]

biasi hot Walter?

hi .biasi condensing combi 15 months old tern on the hot tap on boiler lights up then cuts out .the diaphragm ... [Read more]

No DHW on a Alpha Ocean 240 Eco?

My Ocean Alpha 240 eco combi boiler struggles to produce any DHW. You can only turn a bath tap 1/4 to half tur... [Read more]

Saunier Duval Boiler - SD30e cutting out?

Hi, I have an SD30e combi boiler (exactly the same as a Glow-worm compact) and recently a diaphragm had to be ... [Read more]

The hot water on my Alpha Ocean 240e is only just tepid!!?

I have an Alpha Ocean 240e, It's keeping the radiators nice and warm but the DHW only gets hot if you run the ... [Read more]

Baxi Combi 105 HE condenser boiler pump question?

Can any one point me in the right direction with regards to the pump operation after the CH shuts down after b... [Read more]

Vaillant Turbomax VUW242E No hot water?

I have a Vaillant Turbomax VUW242E boiler,Heating is ok but not getting any hot water. I have replaced the DH... [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]

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]

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]

baxi 105e?

how can i drain my primary circult to change the diverter valve diaphragm ? i can't undo the boiler drain c... [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]

Vaillant Turbomax VUW 242E/282E not igniting automatically?

The boiler does not ignite when in auto mode in either CH or DHW. The lockout indicates and when it is reset, ... [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]

hot water makes a loud noise on my biasi 24s combi?

when the hot taps are turned on the Biasi 24s combi boiler it makes a loud gurgling noise and sometimes the wa... [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]