How to mend ... Hot Water Only Works Heating

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]

Worcester Bosh 24SI II?

When boiler initially switched on it ignites and the heating and hot water works. After about 5 minutes (has ... [Read more]

hot water diverting to heating?

heating works fine but water is hot and goes cold after a minute or so you can see the piston on the heating h... [Read more]

Ferrolli optimax 31c?

Works on hot water and on heating test mode but not on normal heating mode

sime combi ?

i have sime ecomefort H.E it is 12 months old i have no central heating connected i only run hot water fro... [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]

sabre combi water keeps going cold?

have a sabre combi.heating works fine but hot water gets hot then goes cold any ideas thanks

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]

Remeha avanta plus code 8 on display?

Hi there, I have a remeha avanta 30s. My hot water works fine but my central heating doesn't work at all. I've... [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 can i fix my biasi combi boiler ?

heating works fine but in hot water mode boiler does not fire up

ferolli modena 102?

my ferroli 102 boiler will only produce hot water when the central heating is turned up to 70 the heating work... [Read more]

How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [Read more]

baxi combi 80eco?

Hi I have a baxi combi 80 eco boiler. The system preasure was too high on examination but has now been bled an... [Read more]

no heating on a greenstar24i?

the hot water works fine but turn the heating on it fires up the flow gets hot then it cuts out.

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]

Troubleshooting a Bosch ZWB28-3 combi boiler?

Currently it heats our hot water well but when cold is mixed in like in the shower the temperature of the wate... [Read more]

Procombi 85 HE hot water ok, but central heating not working?

The boiler is working when I run hot water, it fires up when the central heating is turned on, the pump get's ... [Read more]

Heating ?

Vaillant ecotec pro 28 has lost the radiator icon in the display and hot water works but no heating..... What ... [Read more]

boiler pressure drops to nil after use!!!?

i can use the hot water all day long and pressure stays same... i put central heating on and it works perfect,... [Read more]