How to mend ... Changed Hot Water

my diverter valve isn,t working?

i have a ravenheat csi85t boiler,i have just changed the o rings in the diverter valve but when hot water is i... [Read more]

Shower not working properly on baxi with calor gas?

I have a combi baxi which is run on calor gas. The central heating seems to work fine but the shower is now no... [Read more]

Adding dispersants to circulating water?

We have a Vaillant Combi, whic is persistently (at 2 year intervals) having to have the hot water heat exchang... [Read more]

How can I fix my Baxi Combi 80Eco boiler?

The red fault light comes on when we are running hot water or the heating is on, we reset the unit with the sw... [Read more]

red light keeps coming on on the boiler, can reset it but comes back on ?

Had it serviced and no fault was found, had a thermostat changed and it still comes on. No hot water and no ce... [Read more]

lp112 programmer is live and display works but is not giving an output to t?

Hi I have been asked to look at a domestic heating system, the boiler is Johnson stanley, the programmer is dr... [Read more]

Worcester 350 water luke warm?

Recently changed main PCB now water luke warm CH okay. Demand light does not indicate. Checked circuits as per... [Read more]

Halstead Acehigh-Water pressure creeps up when not on?

I have changed the air vent as it was leaking water and akso the pressure relief valve. But if I set the pres... [Read more]

no hot water on my worcester combit 26 32?

theres no hot water, and its bypassing the hotwater and going direct to heating? weve changed the honevalve b... [Read more]

fix Worcester 350 combi boiler ?

I have a Worcester 350 combi. Heating operates fine. Hot water runs fine except for the shower. Think reduced ... [Read more]

Glow Worm Compact 80E switches on without the tap !?

This morning I heard clicking and went to the boiler and noticed the domestic water heater switches on and off... [Read more]

how can i fix my ferroli optima 701 combi-boiler?

central heating working . no hot water on hot water only having changed flow meter

no central heating---please help!!?

Boiler working great for hot water but the heating wont come on,all lights doing their job---any ideas??? Fan... [Read more]

EA error showing for Worcester Bosch Greenstar CDi?

We awoke one morning recently to no hot water and discovered our boiler was displaying an EA error message. S... [Read more]

vaillant problems?

i have turbomax 828e; heating ok, but hot water very cool. changed all ntcs. pull lead off lower ntc and it fi... [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]

Worcester Bosch Highflow 400 - no hot water?

Please would you advise me on the following. We have a WB highflow 400 combi boiler. We are noticing that in t... [Read more]

no DHW on my halstead combi 82?

The central heating works fine on my boiler but does'nt fire up on turning the tap for hot water. Iv'e change... [Read more]

Ravenheat LS100T combi boiler?

The boiler is not working on either the hot water or the central heating. When I go to switch it on the green ... [Read more]

Ravenheat LS100T?

The boiler is not working on either the hot water or the central heating. When I go to switch it on the green ... [Read more]