How to mend ... B Dhw Out

Central cuts out after a couple of mins DHW no problem?

Pump and fan run then boiler fires after a matter of minutes boiler cuts out, does anyone know what the proble... [Read more]

Ariston microgenus 27 mffi problem?

Boiler fires up in DHW and heating modes. DHW lukewarm/cold and radiators cold. Would appreciate any ideas.

got hot water but no c/h?

iv hot water but no heatting installed new pcb board and dhw sencer and ch sencer still the same it will fire ... [Read more]

Boiler ?

I have a ravenheat whitestar ls 100, lately the red flashing light is on all the time and we are lucky the boi... [Read more]

hot water not getting hot enough, please help?

the DHW has a problem in that, it does not get up to correct temp..the burner keeps cutting out when the temp ... [Read more]

Any ideas on how to fix my Ferroli Optimax HE Plus 31 C combi boiler?Ferrol?

Ferroli Optimax HE Plus 31 C 3 years old from new. Have heating but no hot water, when I turn on hot tap the D... [Read more]

ferroli f24b boiler intermittent f5 fault?

Dhw hot and cold, fan ok aps ok

Ive got non-consistent dhw tempreture on a easicom combi 24 boiler?

the dhw runs hot and cold alternatively every 10 - 15 seconds making it impossible to run a hot bath.Can anybo... [Read more]

my ravenheat rsf 820/20t won,t light for DHW or heating but thepilotis on?

the pilot light is on but my ravenheat rst 820/20t won't light for DHW or heating , how can i fix ?

Maxol Supercombi HE28 Error Code 5?

Hello error code 5 keeps coming on when the boiler is either heating up dhw or ch . flame is light and water i... [Read more]

Baxi Combi Instant 80 he pump fault/low pressure fault?

Hi, I have changed the differential valve dhw on my Baxi boiler today, and fired it all back up and topped up ... [Read more]

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]

Baxi 105e dhw problem?

My 10 year old 105e does everything it should apart from I only get really hot water when ch is on. Ive cleane... [Read more]

what are the black plastic things for on the valves?

what are the black plastic things on the valves for i cant turn the isolating valve down to regulate the dhw f... [Read more]

system flush?

is there a flush fluid i can put through the central and dhw to flush through

how to find a fault?

my sister-in-law has a glow-worm 30c boiler the central heatings ok but when they turn on dhw tap the water i... [Read more]

Divert valve and dhw termistor?

Hi Again You are right. After cleaning the divert valve all starts working properly but now again heats centr... [Read more]

Old 280 Worcester tripping out after 2 mins?

20 year Worcester 280 has allways tripped out on a regular basis and on pressing the reset button behaves itse... [Read more]

Old 280 Worcester tripping out?

20 year Worcester 280 has allways tripped out on a regular basis and on pressing the reset button behaves itse... [Read more]

ravenheat csi85 goes to lockout?

boiler is locking out on DHW. Overheating ! Flushed out DHW plate exchanger. Changed both thermistors, C.H ov... [Read more]