How to mend ... Room Thermostat System

BOSS BPS 242RF Programmable room thermostat?

I had this set on the little sun symbol but the central heating system suddenly just went off. what should I d... [Read more]

vaillent 824 6 radiator system?

first five radiators work ok, 6th radiator only gets half hot which runs from the fifth radiator on 15mm pipe... [Read more]

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]

c h boiler heats HW supply only,no central heating?

My system is a fully pumped central heating installation, with room & cylinder thermostat. Could the motorise... [Read more]

hot water but no heating?

hello. i have a worcester danesmoor oil boiler, its a sealed system, honeywell st699b programer honeywell V... [Read more]

Flood due to boiler ???

A few weeks ago we noticed warm/hot water pouring out of the eaves of our house, upon inspection we found that... [Read more]

cool radiator?

Hi,I have a gas fire, and a radiator under my front window. The radiator operates hot and cold,which makes t... [Read more]

Worcester 19/24CBI Problems (Over Heating, Fail to ingite)?

Hoping that someone can shed a little light on my problem or that this may help someone in a similar position.... [Read more]

how can balance my heating system?

How can I get the balance right between a room thermostat and thermostatic radiator valves. The TRVs are not ... [Read more]

Ideal Icos Boiler, Heatrae Sadia CL170, Reliance Pressure gauge?

My CH/HW system consists of the above components plus a room thermostat and control panel beside the boiler. A... [Read more]

Central heating not working independantly?

Replaced room thermostat as old one damaged, replacement is Drayton Combistat, 3 wire config'. All seemed wel... [Read more]

How can I replace my old boiler timer WITHOUT thermostat?

I have an old Sangamo M5 boiler timer, ticking like mad! Wanting to replace it with a modern programmable tim... [Read more]

Ferroli Falcon pressure probs?

Decorating front room, so turned rad in the room down to stop paper drying too fast. This resulted in a leak f... [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]

OPTIMA 701 Ferrori heating problem?

Everything is fine but not heating system. My thermostat is on +17.5C, in room was +15.5C Boiler switched on... [Read more]

Digistat+2RF Programmable Room Thermostat Wireless System ?

I have the system named and it appears to be working whem you look at it but it does not seem to be sending a ... [Read more]

how can i fix my powermax he 85?

status code A15 CH pressure loss ,if using just hot water all good but once i'll switch on CH ok for less than... [Read more]

drayton digistat RF2 wireless system?

I have failed to get the central heating to come on after the summer with it being switched off. All timers... [Read more]

Fauly Potterton EP200 Programmer?

Even though my programmer is at OFF and the room thermostat is LOW, my heating circuit is on at the same time ... [Read more]

Why is my heating not working ?

Vaillant 628 thermocompact boiler ( sealed pressurised system) Drayton 5/2 timer for heating and water + Pott... [Read more]