How to mend ... B Dhw Out

radiators not getting hot?

we have a vokera compact boiler and have had british gas out recently as we have a warrranty out with them but... [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]

a leek on a baxi 105 HE boiler?

I got a leek where the grub screws secure the dhw pressure differetial valve to the diverter valve is a nut on... [Read more]

I have a Ferroli F30 combi boiler?

The DHW doesn't run hot all the time (running cold after a couple of minutes) also the boiler bar pressure kee... [Read more]

vaillant combicompact VCW GB 242 EH?

The burner cuts out after a few seconds but the fan runs continuously. No problem with DHW. Is there a fault w... [Read more]

Baxi 105e clunking noise every time I turn a hot water tap off?

Baxi 105e 4 years old. Whilst the boiler seems to operate properly, every time you turn off a hot tap in the h... [Read more]

Star 24 Heatline Central heating Boiler?

I have no Central heating, but DHW is ok. The system is pressured to 1.5psi.

ravenheat h85t looses pressure on ch only?

I have had my boiler switched to dhw only through summer ,now its dropped cold but back to ch/dhw works fine o... [Read more]

Worcester 28 CDI with DHW fault?

When I turn on my hot water tap, the combi boiler fires up its usual way and supplies hot water but after 1 mi... [Read more]

combi boiler?

jaguar 24,DHW does not come on until hot water tap is fully open. no error messages are displayed .air p.valv... [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]

solar 2000 combi boiler no dhw?

any ideas how to repair a solar 2000 combi boiler? Heating works ok,but no dhw.When turning on hot water tap b... [Read more]

Ravenheat LS100?

When I turn a hot tap on the boiler starts up runs for approx 10 seconds then switches off then fires back up ... [Read more]

jaguar 28 will not run ?

My Jaguar 28 has no fault displayed but has a problem running both CH & DHW the system lights for about 15 - 2... [Read more]

glowworm betacom 30c fault?

in either ch or dhw mode, boiler runs thru sequence properly and gas ignites. After 5 secs gas goes out and af... [Read more]

Heating/Hot Water Problems with Ravenheat RSF100ET?

Hi Original problem was not very hot DHW, but burner running flat out. Changed both DHW and CH thermistors, ... [Read more]

ferrolli optimax he31c?

central heating fine dhw not working intermittantly boiler ignites water temp on gauge rises but no dhw

Glow Worm 30ci losing pressure and F1 Faults?

This boiler has been problematic for a while now. Can only seem to get pressure to 0.5 - 0.6 bar. Then when sw... [Read more]

Low Pressure on Ravenheat Condensing Combi CS1 85A (T)?

The pressure keeps dropping on my boiler,i cannot find any obvious leeks on the system.Also the dhw takes ages... [Read more]

not working on htg or dhw ?

main burner not fireing up fan on gas on new pcb pressure sw ok /