How to mend ... Boiler Heating Hot Water Cold

valiant mag 325 hot water problem?

My Valiant Mag 325 is only used for heating water but for the last month or so we only get hot water if we tur... [Read more]

boiler heating water intermitantly?

boiler only heats water for a short period then runs cold.after running cold it then runs hot again.etc

Worcester Greenstar highflow 440 reset?

I am having trouble getting my boiler to produce central heating and hot water on a constant basis. It looks l... [Read more]

How can I fix my Fer Hawk II boiler?

This morning my FER Hawk II boiler ignited when the hot water tap was turned on as normal. However the water q... [Read more]

Ferroli modena 102 not firing up properly?

My boiler has been temperamental for some time, so my water goes from hot to cold & back, now the central heat... [Read more]

Glowworm 330+ Central Heating boiler question?

1. What should the water expansion tank pressure be? 2. The Red guide hand is on 2bar but the pressure (col... [Read more]

no dom hot water?

optima 701, i cant get d.h.w. heating is ok but running hot tap cold ,boiler not calling for heat when tap ope... [Read more]

How can i fix my ravenheat boiler?

We have an 11 month old boiler and when we turn it on it will start up and it will stay on for 2 mins then a r... [Read more]

Combi Boiler Sime90?

Heating working but the hot water running hot cold hot cold. Engineer so far has replaced Thermistor, Plate he... [Read more]

Rayburn Driven Central Heating Problem - Upstairs Cold?

I have a Rayburn Gas CH system with a seperate pump. The cooker / boiler is in the basement kitchen with 3 ra... [Read more]

How can I fix my combi boiler?

When you turn on the hot water, the radiators heat up at the same time so when you have a shower the water goe... [Read more]

Suprima 100 L - Fan?

Boiler seems to function ok, cuts in and heats water and heating. However, when the optimum water and heating ... [Read more]

Worcester 24i RSF Junior - Water Flow Switch Melted!!?

Hi, had a few probs recently wi boiler, new Gas Valve & new PCB within last 2 months seemed to have sorted it.... [Read more]

Baxi duo-tec 24 heating not working?

Hi can anyone help me? I have got a new (6 months old) Baxi Duo-Tec 24 combi boiler (just bought house so I do... [Read more]

FERROLLI DOMINA 80E PROBLEM STARTING IN THE COLD?

Boiler tries to start up fan goes,sparking ok, then makes a ocoilating noise and goes into red fault lock out ... [Read more]

Grundfos Alpha+ 25-60 pump problem?

the Grundfos pump circulates water in my UF heating system however, I have noticed lately that although my liv... [Read more]

Hot Water But No CH Poterton Neataheat Profile 30e-80e?

In addition the my previous question (with same title), I managed to get the Central Heating (CH) working for ... [Read more]

Hot Water but no CH Potterton Netaheat Profile 30e-80e?

In the last day or so we have noticed that we are getting hot water but no Central Heating (rads are cold etc.... [Read more]

Worcester Bosch 240 RSF not firing?

Worcester Bosch 240RSF combi boiler. Soft water, high mains pressure. Here's the problem: I had replaced th... [Read more]

Potterton Promax 24 HE - Heating without hot water problem?

Hi, I have a Potterton Promax 24 HE boiler on a pumped system. Since the start of the recent cold weather I ha... [Read more]