How to mend ... Ch Hw Second

Why can we only get heating when hot water on also now(Dual programer)?

We recently needed to replace head valve due to pump over run problem.(Boiler is Potterton Profile) On putting... [Read more]

changing heating programmer?

trying to change a broken programmer on a thorn apollo to a drayton lp112, just cannot work out which wires ar... [Read more]

Worcester Bosch 35CDi II banging & wild pressure (CH only)?

Hi, just recently our Worcester Bosch 35CDI II boiler has been making worrying noises After 30 seconds or s... [Read more]

Sime super 90 plus problems?

Hi, We have a super Sime 90 plus boiler and about a year ago we had to change the dreaded diaphram in the dive... [Read more]

Potterton Profile 100 CH but no HW?

My boiler seems to fire up ok, do the central heating ok, but there is no hot water at the taps/shower.

Ravenheat CSI 85T not firing?

Our Ravenheat boiler has given up on CH and HW. There has been an intermittent fault (fault described below) f... [Read more]

CD24I Combi Boiler problems?

Put the CH on boiler made funny humming noise, all worked ok went out came home CH not working. Boiler light o... [Read more]

Thorn EMI Apollo boiler why want it heat my radiators?

my boiler is not heating my radiators just giving me hot water the settings r set 4 hw&ch ?

no hw or ch with jaguar 23kw combi?

get a display saying Fo or F0! can you tell me what this fault is? and how to resolve it if poss please! ... [Read more]

How can I fix my Potterton EP2000 programmer?

The CH and HW letters keep flicking on and off when the heating comes on which is turning the bolier on and of... [Read more]

Honeywell Sundial y plan 3 position diverter valve ?

I am having problems with my Honeywell Sundial y plan 3 position diverter valve. I bought a replaceent synchr... [Read more]

thorn emi apollo boiler?

hi my thorn emi apollo boiler keeps cutting n and out every 10 seconds this is when hw and ch is on via time... [Read more]

Worcester Bosch Highflow 400 rsf boiler problem?

I have a problem with my Worcester Bosch Highflow 400 rsf boiler. If hot water is on, I cannot get central hea... [Read more]

My Potterton Promax System 32 HE Plus no longer heats the house adaquately?

The other morning we had no HW or CH. When I looked at the Boiler I noticed the Pressure Gauge was below 0.5 b... [Read more]

no hot water from halstead ace high 47-333-16 HW/CH boiler?

i am unable to get the hot water to work but i do have working central heating. The boiler seems to fire up b... [Read more]

Vaillant 282 water pump runs continuously?

Pump runs all the time when either hot water or/and central heating is switched on. During winter holidays I l... [Read more]

Potterton Puma 80, Cold radiators?

Hi everyone. I have had no end of problems with my Boiler, but i have fixed all of them myself. But this on... [Read more]

We have a Worcester 350 Combi and is shutting down after 2-3 hours. ?

We have a Worcester 350 Combi and is shutting down after 2-3 hours with the pressure dial showing a drop to be... [Read more]

mid position actuator?

A couple of day's ago I had no HW but I had CH. It seemed that the lever on the actuator was stuck to the rig... [Read more]

Worcester Highflow 400 RSF CH or HW but not both?

Boiler about 9 years old serviced regularly. Boiler basically operating OK (programmer, ignition etc.) Can g... [Read more]