How to mend ... Boiler System Manual

Radiators not all working all the time???

We have a problem with our heating, we think it started after we bled some radiators and took one off to wash ... [Read more]

heatline s30 combi gas boiler?

hi i have a heat line boiler s30 when the heating is on the pressure rises slowly to 3.5 bar in the red i dar... [Read more]

S Plan Plus System and Vaillant ecoTEC plus 831?

Vaillant ecoTEC plus 831 boiler is in and running the house heating and water. Control of heating is only by... [Read more]

ferroli optimax 31?

boiler shows A1 manual says purge air from system by opening gas cock, which i cant find. shows where it is i... [Read more]

How do I find where my modena 80E loses water?

I have a Modena 80E boiler and the pressure drops on the sealed system. I top it up to 1bar as the manual says... [Read more]

worcester 28i boiler ?

Since the cold spell my boiler is not working on the timer, although the system works fully if i use manual ov... [Read more]

how do i fix my broken boiler?

I have a Ferroli optimax 25 c boiler, it has stopped working and showing fault code F37. The manual say thi... [Read more]

Worcester Greenstar 24i junior: doesn't work!?

Hi I've just moved into a new property, the boiler is only about 2 years old; when I moved into this house th... [Read more]

Boiler cuts out when CH set to on?

I have a potterton system with a 2002 timing controler and a PT2 remote electronic thermostat. If the system i... [Read more]

ferroli displaying F37?

My boiler is displaying fault F37 ie water pressure is too low. Manual says fill system, how do I do this?

Ariston micro genus HE heating failure - help?

My boiler is heating water fine, but I am getting no hearing. There are no warning messages so all looks well... [Read more]

red light constantly on vokera combi boiler?

The red light on my vokera compact HE combi boiler is constantly on. As per the manual it could be due to syst... [Read more]

Vaillant VCW, no hot water or heating! help desperatly needed?

I have a vailllant VCW GB 282E and the hot water and the heating do not work. I havnt had the boiler on for th... [Read more]

How do I set up the Climapro 2 Rf to link with my boiler?

Does anybody know how I can set up my recently purchased Climapro2RF wireless system to my Glowworm Ultracom 2... [Read more]

lost manual F22 and F25 codes?

Hi, can anyone help? New boiler working fine on the hot water side ..now have tried to put on CH..fine for x2... [Read more]

Wot is wrong with my Ferroli Optimax HE 31 C gas boiler?

My gas boiler is flashing F37, which is low system pressure. The manual says that I should fill the system to ... [Read more]

Pressure too high on Optimax HE 31 C Ferroli Combi Boiler?

F40 keeps flashing when the boiler shuts down after 20 minutes of being on. This says incorrect system water ... [Read more]

How to top up system on ferroli f30b?

I had my boiler fixed, however the repair man did not know where the filling point/topup system was for the bo... [Read more]

Type of heat exchanger in the Ideal Classic LXFF & FF 250 boiler?

I need to know whether the heat exchanger in the Ideal Classic LXFF & FF 250 is aluminium or steel. Wasn't l... [Read more]

Cant re-pressurise my saunier duval isofast condens f35e?

The pressure in my system has dropped to 0.5 bar so I have an error message 21 and no hot water or heating. ... [Read more]