How to mend ... Heating Even Off Position

Worcester Oil heatslave 20/25 rads coming on when selected off position?

I have a Worcester Oil heatslave 20/25. Have selected heating to off position & water to on position as norma... [Read more]

halstead boiler problem?

my cbx boiler has stopped changing between c.heating and hot water.there isnt a diaphragm,but an electric moto... [Read more]

where is the relee for heating plugs like position I want to repleace?

where is the relee for heating plugs like position I want to repleace

Hot Water problem on my 37CD1?

I have a Greenstar 37CDi gas combi. Only a few months old. Worked ok up to now. On heating side all is ok. On ... [Read more]

CDA oven not heating up as it should?

With the oven switch in position 8 the oven tripped. The temperature is not know reaching 250 degrees. Does ... [Read more]

How cani fix boiler it's a johnson&marley model j25-32mk3 mod airflow ?

Boiler does not come on when it is programmed to but will when Put on constant but no hot water in either jus... [Read more]

New replacement Netaheat profile pcb not working?

What is the problem my new replacement pcb will now not work without me banging or jolting it then it sparks u... [Read more]

Vokera Compact 24 Fault?

No Central Heating or Hot Water The red light and fan are running constantly even when the switch on the fron... [Read more]

siemens RWB9 Programmer Fault?

i have a fully pumped system with zone valves , one for heating and one for hot water, my problem is that when... [Read more]

fan keeps comming on and off?

fan keeps comming on and off with heating and domestic water both in the off position worcester 28cdi

Problem with installing Drayton MA1 Valve & Actuator?

Hi everyone, I swapped out a failed switchmaster acutuator, and replaced it with a Drayton MA1 and wired it us... [Read more]

need help to position eath wires on a zwd 1480 w ?

replaced bearings on the above machine. took photos of wiring but did not take one that covered all of the ear... [Read more]

Converting to Y Plan system?

I am converting my heating system to a Y Plan using mainly Honeywell parts for the wireless room thermostat (H... [Read more]

How can I fix my Sabre HE Boiler?

Hello I have a Sabre HE combi boiler, about 2 years old. We rarely use the heating (probably last put on in... [Read more]

hi my baxie boiler wount switch off ?

baxie eco 80 boiler stayes on when on hot water and heating is in on position told to change p c b still on ro... [Read more]

How can I fix my actuator?

I suspect that the actuator on the motorised valve (BGMVSP-23, aka Drayton MA1) is broken and would appreciate... [Read more]

Siemens RDJ1ORF wi-fi central heating control?

I used the slide bar yesterday( Sat 21 April ) outside the 2 on/off heating periods and moved it to the 'SUN' ... [Read more]

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]

drayton wireless room stat?

I have a drayton wireless room stat controlling the heating. the boiler is an ideal icos. The trouble i hav... [Read more]

zanussi washer error codes relating most models?

E11: Difficulty in filling during wash phase E13: Water leakage. E21: Difficulties in draining . E23: Malfunct... [Read more]