How to mend ... Problem Water Demand

Potterton Suprima 30 cutting out- green flashing light?

Hi, I hope you can help. I've just had a new PCB fitted and now when the demand is on for either the hot water... [Read more]

valliant ecomax 835 e ?

boiler works bakwards heating only works when hot water demand and hot water when heating demand replaced dive... [Read more]

Advice on possible reasons for Combi Boiler problem?

I have a Worcester Bosch 28si Junior Combi Boiler, (3 years old). No problems until very recently when having ... [Read more]

DHW flow switch sticking/leaking?

I hope someone can give me some ideas? I have a Halstead Finest Gold and I am experiencing a problem with the ... [Read more]

No hot water on Worcester 28CDi?

I have a Worcester 28CDi combi. The CH works fine but the DHW has a problem. When i open a hot tap the red lig... [Read more]

how to fix my vaillant turbomax plus 282/2e combi?

re: vaillant turbomax plus 282/2e combi boiler. Problem with c.h coming on when internal timer in 'off' and ro... [Read more]

Worcester 240 Boiler. Water is hot with tap half open, cold when fully open?

I have a Worcester 240 gas boiler. Recently, I've noticed that if a hot water tap is partially opened there is... [Read more]

Potterton Puma 80 - No hot water?

Potterton Puma 80 works fine with central heating, but without CH on, it does not produce hot water. At hot wa... [Read more]

Worcester Bosch 24CDi, switches off during HWD?

I have a 24CDi boiler, which lately has been switching off when hot water is demanded. It switches off and bac... [Read more]

Worcester 35cdi II problem?

Help ! I've got a Worcester 35 cdi II which seems to be ovepressurising when there is a demand. When cental he... [Read more]

Potterton Suprima 60L no heating but hot water ok!?

Recently my Potterton Suprima 60L started playing up and has a red fault light displayed. It won't reset and h... [Read more]

Ferroli HE31C - code d1 and d2 - no heating but water ok!?

Hi Can someone help me. I have a brand new (prof. installed) HE31 C and I have scoured the manual but it does... [Read more]

Baxi combi 105HE boiler fault on the heating side?

I have a Baxi 105HE combi boiler. When the hot water is in demand the boiler will run ok no matter how many t... [Read more]

Why won't our boiler (Worcester Bosch 230) pilot light ignite?

Why won't our boiler (Worcester Bosch 230) pilot light ignite? It was turned off for a few hours for a radiato... [Read more]

Danfoss RX1 not responding?

I have a Danfoss TP5000RF wireless programmer and a Danfoss RX1 receiver unit. For some reason the heating has... [Read more]

How do I fix my heating problem on Vokera Linea 730?

Heating problem on Vokera Linea 730. Hot water mode operates fine on demand. On heating, temperature only reac... [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]

domestic hot water problem Baxi 105e instant?

In all respect my boiler appears to do everything it should.No fault warnings,sounds right,fires up on demand ... [Read more]

Maxi Bahama 100 combi?

Hi I have inherited a Maxi Bahama 100 in my new flat. And would like to ask a question about the boiler. I ... [Read more]

How can I fix my Potterton Puma 80E?

We have a Potterton Puma 80E and until recently it has been working fine. The problem is that we have hot wate... [Read more]