How to mend ... Water Demand Heating

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]

Glow-worm Express 100 demand light goes off when I put hot water on?

Can anyone help when the heating is on if I put hot water on the demand light goes off thus water goes cold if... [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]

Baxi 105e - Flashing HW LED?

The normal graan hot water led keeps flashing after a demand for water. The boiler is firing and eventually th... [Read more]

heating no hot water?

haveing problems with worcester 24 si boiler working in central heating no problems but will not fire up on ho... [Read more]

Vaillant VCW GB 182E Combi Boiler?

The boiler provides hot water on demand but the central heating will not come on despite the boiler, thermosta... [Read more]

vokera 24e boiler doesnt relight?

Usually in the morning, central heating working fine. Then use hot water as normal, but once demand form hot w... [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]

Baxi 105HE Heating fault?

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]

Worcester 24i rsf no hot water?

I followed the fault diagnosis and replaced the flow switch. However the boiler reset kept tripping out (overh... [Read more]

No hot water coming from the boiler?

I hope someone can help. I had a small leak in my kitchen which was easily repaired but the mains water had to... [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]

heatline 24 boiler?

have moved into a new place boiler has knob missing to turn dial to radiator, although can use tweezers, never... [Read more]

Why does my Potterton Lynx boiler not work? Please help a single mum!!?

Recently moved into new house and told water and heating working fine (although due to weather I haven't had t... [Read more]

I can not get C/Heating on VCW GB 242 EH Vaillant Combi Boiler ?

I have just renewed the Divertor valve on my combi I have hot water while switch is in Summer mode, but when I... [Read more]

Worcester 350 Combi mains fuse blows?

The two amp mains fuse on the 350 combi board near the mains input connector has blown. Replacing same all ok ... [Read more]

How can I fix my Worcester 240 ?

Central heating working but, no hot water out of taps.I have just replaced the Demand indicator neon,which had... [Read more]