How to mend ... Central Heating Hot

how to fix my reno HE30C combi series johnson & starley ?

my boiler is all on. my hot water is fine. but when i flick the switch up to put central heating on its not tu... [Read more]

noisy pump?

when i turn off my central heating after a couple of seconds delay there is an almighty bang come rattle.the p... [Read more]

Pump is sorted.How do i clean dhw heat exchanger Vaillant part no: 065053?

Pump is sorted by now. I have back hot water and central heating. But some problems with hot water persists. ... [Read more]

greenstar 24i. No hot water?

No hot water delivery, the boiler kettles on the main heat exchanger with HW demand. Central heating demand n... [Read more]

vaillant ecomax 824e flashing e20,e13,f20. How to fix it?

Thing is, that my boiler (which is vaillant ecomax824e) use to go through these codes e20 and then f 20, or e1... [Read more]

boiler works for a short period?

i have a worcester 28si mark 2 it fires up on hot water or central heating and works fine for a while then cut... [Read more]

how can i fix my boiler?

halstead ace high hot water is intermitent i clean the heat exchanger and all is well but why does it heep hap... [Read more]

I have a Ideal Classic FF 360 and only the Pilot light works the boiler?

I have a Ideal Classic FF 360 Central Heating Boiler, when i put the heating on the Pilot light lights and I c... [Read more]

Halstead finest gold safety lockout problem?

Halstead finest gold boiler has started to show solid red safety lockout when hot water is turned on, This doe... [Read more]

My central heating is working but I have hot water?

Yesterday I had no hot water so but my heating was working so I changed the divertor and now I have hot water ... [Read more]

Glow worm combi boiler fault?

Combi boiler central heating not working correctly,when heating is on it runs for 15 min before the boiler ove... [Read more]

halstead ace high boiler hot water proplem?

my halstead ace high boiler has stopped switching over to give me hot water when the hot tap or shower is swit... [Read more]

Halstead Ace Circa 2001 - Not Heating?

Problem – Intermittent fault or faults causing the boiler to cease heating water and or Central Heating. Oc... [Read more]

saunier duval hot water not working?

no hot water occassionally locks out, or just does not work. service book says check flow switch. have bypasse... [Read more]

primatic cylinder?

how does the hot water on the domestic side keep hot,is it like a double feed indirect cylinder?only the flow ... [Read more]

Heating not working - Worcester greenstar 28i junior?

My hot water is working but the central heating won't come on. The boiler had its annual service a few weeks a... [Read more]

ravenheat csi 85?

hi I need help with my boiler. When i run the hot water the boiler lights normal but the high flame on the b... [Read more]

how can i fix my halstead ace high boiler?

my halstead ace high boiler has stopped switching over to give me hot water when the hot tap or shower is swit... [Read more]

no hot water evrything fires up?

Hi need help. Iv`e got a sime super90 I fitted a new diverter valve and micro switch about 8 months ago. Ever... [Read more]

I have an Ariston Micro Genus 27MFFI ?

The yellow light below the reset button comes on when the central heating or hot tap is required. The boiler d... [Read more]