How to mend ... Heating Boiler Heat

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]

Potterton Netaheat - no heating without hot water?

Boiler will only fire up when "hot water" selected on controller (EP2002). When hot water is on, radiators al... [Read more]

worcester greenstar he boiler?

why, when I switch all the radiators, underfloor heating and hot water off at the control unit, does my boiler... [Read more]

heatline s20/s30 boiler?

I have a flashing light on my boiler for DHW sensor and is affecting the heating so that the boiler does not s... [Read more]

Central Heating system?

Update on my question of pump operating when not calling for heat. The pump makes a noise while doing this but... [Read more]

siemens RWB9 Programmer Fault?

i have a fully pumped system with zone valves , one for heating and one for hot water, my problem is that when... [Read more]

how to fix my combi?

hot water ok turn heating on pump going but no heat all rads air out water topped back up so arrow is in the ... [Read more]

Sabre combi boiler canstantly ON?

Hi Can anyone help me please I have a Sabre Combi boiler and my problem is this. My heating is constantly ON ... [Read more]

Worcester Boiler cycling and not heating properly?

After a few hours goes to ignition lockout. Cycles every 20s or so, even though can hold hand against exit pi... [Read more]

water going hot then cold?

vaillant combi boiler 824/2e ,,heating is fine,hot water red hot then goes cold had new heat exchanger,plus ne... [Read more]

halstead ace he 30 dhw problem?

Hi All, I wonder if there is someone out there who can help with a very strange fault on a Halstead Ace HE... [Read more]

ravenheat rsf820/20 combi overheating?

the boiler is supplying hot water ok however as soon as the heating is on the heat exchanger boils up & cuts o... [Read more]

How can I fix my boiler?

Our Firebird boiler wont heat our hot water unless the heating is on this has only just happened after I switc... [Read more]

how do i?

i have a baxi solo pfl 50 heating boiler..the heating side works ok but when i just want to heat the hot water... [Read more]

halstead ace high boiler?

Hi after reading some of the posts on this website which were having the same problem as me (boiler playing up... [Read more]

Boiler fault ?

Calydra 80 heating working ok ,but hot water ,boiler fires after a few minutes the boiler stops fireing ,from ... [Read more]

How can I fix?

Rave heat RSF 820/20!old combi boiler no hot water no heating pump running is it worth being repaired

How can i fix my Baxi Eco 80?

I have a Baxi Eco 80 boiler,sometimes not always whilst running hot water my radiators heat up whilst the heat... [Read more]

What else can I try after resetting my Siemens RDJ10RF?

I have done the usual reset and the green light is on the receiver and the arrow is lit on the thermostat show... [Read more]

have a boiler no hot water 28cdi?

worcester boiler 28cdi have central heating working ok hot water will not turn on downstairs bathroom turn wat... [Read more]