How to mend ... Ch Set Off

Programming Honeywell CM921?

Hi: The heating engineer installed this unit during installation of a new boiler. This is a 1 day wireless pro... [Read more]

Heating/Hot Water Problems with Ravenheat RSF100ET?

Hi Original problem was not very hot DHW, but burner running flat out. Changed both DHW and CH thermistors, ... [Read more]

Glow worm 80e locked out, what do I do?

I have a Glow worm compact 80e that remains locked out I cant re set the boiler at all no hot or CH any ideas ... [Read more]

Can I have CH only?

I have an LP522 CH/HW controller. Is it possible to set the controller for CH only, and if so, ar there any ad... [Read more]

How to operate DHW part in Triangletube ?

We have installed triangle tube boiler for both CH and DHW in January, 2010. Boiler temperature was always hig... [Read more]

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]

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 ?

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]

TR2 room stat 'timer' not working?

My TR2 room stat works fine if set at continous or economy. However if set on clock/timer setting the CH is o... [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]

how can i fix my worcester bosch 24i rsf boiler?

in need of some help with my boiler please, i cant get ch to work unless i turn the hot tap on to let the boil... [Read more]

Camray 5 external boiler will not run continually?

Boiler works fine for HW and CH for a few hours then keeps locking out. have to press red button on burner. wi... [Read more]

Setting a Randall 103E?

We have inherited a Randall 103E CH timer without instruction book and don't know how to set the "buttons" for... [Read more]

how do I set the timers on my Worcester combi ch boiler?

sorry but do not have access to it just at this moment. boiler about 5 years old

Hot Water but no Central Heating?

Hi - I have a Glow-worm Hideway. I have a control box/timer which controls both HW and CH. I usually have the ... [Read more]

heating still on!?

I ve got a potterton suprima 30 with EP2002 control panel. The HW slide is set to timed and the CH slide is se... [Read more]

Boiler cycling - 10 seconds on 10 seconds off?

Myson apollo 30si, CH only, boiler thermostat on low, no room stat, radiator stat's on 4 radiators - 2 without... [Read more]

Baxi 105HE problem?

My combi is playing up. There is no problem when it is on the hot water setting only. But when on CH/W setting... [Read more]

Halstead High Ace Boiler HW & CH Problem?

Hi, I am at my wits end and need help as winter set in with 3 children. My boiler has played up for many yea... [Read more]

pressure loss in my Vaillant boiler?

my vaillant boiler model VC GB 242 EH is installed as a pressurised central heating & hot water system. The... [Read more]