How to mend ... Boiler Heat Heating Fine Hot

Siemens RDH 10 RF Thermostat not triggering heating?

I have Siemens RDH 10 RF Thermostat and a Worcester Bosch Greenstar 30CDi combi boiler. The battery in the th... [Read more]

How can I resolve an issue with BOSS Therm BPS242RF failing?

Just wondering if you have ever seen an issue like this: Heating setup: Boiler downstairs in kitchen, hot w... [Read more]

Raven heat CSI AAA T 780 series high efficiency condensing boiler?

Central heating works fine can't get any domestic hot water unless heating has been on for half an hour.

potterton profile boiler?

i have a potterton profile boiler the central heating works fine but the hot water will not heat up?

Potterton Performa 24 DHW issues?

My Potterton Performa 24 has developed a DHW fault, & I need help resolving it please. In November, it stoppe... [Read more]

Potterton combi performa 24 heating not switching off?

Room stat calls for heat and boiler fires up. yellow light comes on boiler. When room temp has been reached, f... [Read more]

Pls Help - No heating on!?

My BGas RD 532 Condensing Boiler is playing up! The hot water is working fine. The heating is not coming on.... [Read more]

Baxi Combi Boiler - Bahama 100, why is there no heating or hot water?

Power light and orange ignition light is on. No error lights are displayed although there is no hot water and ... [Read more]

central heating works fine, but hot water keeps going on and off?

i have a ariston eco 35mffi c ombi boiler.The central heating works fine,but the hot water(dhw)starts fine, th... [Read more]

Why has Heat Exchanger on IDEAL ISAR HE24 gone?

So... At the end of 2008 (early December, so about 4.5 years ago). We had central heating installed for the... [Read more]

no heating on sime format 80?

my sime boiler works fine for hot water but not for c/h. At first only c/h worked but since it was sorted so h... [Read more]

valient turbomax 242eh central heating will not operate once it reaches tem?

242 eh installed with 3 rads the boiler works fine in hot water when in ch and hot water mode ch reaches temp ... [Read more]

Central Heating works but no hot water? Worcester 28i RSF?

Hi I hope someone can help. I have a Worcester 28i RSF Combi boiler that i have a problem with. A few we... [Read more]

what could be cause of heating problem?

i have an ariston micro combi 23 mffi boiler the pressure in system keeps dropping to zero , when i refill sys... [Read more]

How do i solve a Remeha Avantaplus E7 fault code?

My boiler is approx 6yrs old and has now stopped supplying hot water after an E7 error code. The central heat... [Read more]

water going hot then cold?

vaillant combi boiler 824/2e ,,heating is fine,hot water red hot then goes cold had new heat exchanger,plus ne... [Read more]

halstead ace he 30 dhw problem?

Hi All, I wonder if there is someone out there who can help with a very strange fault on a Halstead Ace HE... [Read more]

ravenheat csi85 combi read this it will help many!?

I have a ravenheat csi85 boiler, the hot water works fine. The central heating started switching on /off, it w... [Read more]

Worcester 28i Junior Combi... Hot water but NO Heating ???

Hi everyone, We have a Worcester 28i Junior Combi which developed a fault this week. We have hot water fine b... [Read more]