How to mend ... Working Fine System

how to fix?

my potterton boiler fires ok first time but does not heat up water or radiators. once it reaches the temperatu... [Read more]

Timer to Randall 4033 CH Control Unit Stopped?

The programming of my CH and HW system is controlled by a Randall/Danfoss 4033 unit. I know that being an ana... [Read more]

jaguar combi 23?

was having problem with boiler not changing over from heating to rads, have changed diaphragm in diverter valv... [Read more]

About hot water going cold?

we have vokera boiler and our heating system is working fine, but the hot water constantly runs hot then cold ... [Read more]

Low presure fualt?

Hi.. Ive had a baxi bolier installed for more or part of 5 years and its has been fine but for some reason eve... [Read more]

How can i marry my honeywell CM921 the the BDR91 relay box?

we have a Honeywell CM921 thermostat and a BDR91 relay box, for the past two years was working fine. However r... [Read more]

Boiler making loud noise?

I had no hot water this morning although the CH was working fine. Nothing came out of the hot water tap in any... [Read more]

Kingfisher Potterton Boiler?

Hi, I have a kingfisher Potterton floor standing boiler (old system with water tank) and for the past 2 day... [Read more]

why do only some of my radiators come on?

Hi, any suggestions would be grateful. Our central heating has been working fine til today, when i got up i f... [Read more]

Worcester Greenstar 24i junior: doesn't work!?

Hi I've just moved into a new property, the boiler is only about 2 years old; when I moved into this house th... [Read more]

icos HE15 - central heating not working properly?

i have an icos HE15 with Megaflo system. The hot water is working, pressure seems fine, boiler is displaying ... [Read more]

how can i increase pressure above 1 bar?

i have a vokera syntesie 29E pressure is just under 1 bar.i want to bleed a radiator. But with the filling loo... [Read more]

baxi bermuda 552 system. fire goes on for 2 mins then goes off??

Hi, my fire in front of baxi back boiler, pilot light comes on and fire lights, but after 2 mins the fire goes... [Read more]

Vaillant VCW, no hot water or heating! help desperatly needed?

I have a vailllant VCW GB 282E and the hot water and the heating do not work. I havnt had the boiler on for th... [Read more]

Replacing Pressure Gauge on WB Greenstar 28i?

I've just had a repair and service done on my Woster bosch greenstar 28i and every thing is now working ok. A... [Read more]

How can I set the hot water on a Jaguar gas combi-boiler? ?

Strange to say, the central heating system is working fine but when it comes to hot water...it won't reset!!

lost manual F22 and F25 codes?

Hi, can anyone help? New boiler working fine on the hot water side ..now have tried to put on CH..fine for x2... [Read more]

How can I fix my Greenstar 30CDi System?

Hi - Boiler had been working fine. We topped up pressure recently ( to about 2). Now the pilot light is ... [Read more]

Boiler not firing up?

Hi, I have a 28i with a drayton wireless thermostat system. The thermostat is working fine as I have checked ... [Read more]

worcester 24i rsf combi heating?

hi, when in demand mode my boiler fails to light. fan does not run or pump, but hot water system is fine and w... [Read more]