How to mend ... Demand Hot Water

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]

vokera option boiler fan running cotinuously ?

vokera option fan running contiuously even when pressure switch disconnected. running when no demand for heat ... [Read more]

how can i fix my worcester bosch 230 combi boiler?

The flame doesn't ignite when I create a demand by turning on the hot water or heating

WHY IS HOT WATER LUKE WARM?

NO HIGH FLAME WHEN HOT WATER IN DEMAND,LOW FLAME AND HIGH FLAME INTERMITTANT NO PATTERN.

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]

how can i fix Baxi Bahama 100 Combi?

boiler will not ignite on demand for hot water or heat. all indicator light and pressure is satisfactory

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]

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]

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]