Mend > Home Heating Systems

Lock out after service on Worcester Bosch 20/25?

Can anyone help - just had my fully functioning Worcester Bosch 20/25 boiler serviced. The engineer replaced t... [Read more]

no hot water but heating working HE 85{T}?

water tepid when heating on water cold when turned to just water

How can i fix a fault EA, on worcester bosch HEplus40?

How can i fix a fault EA, on worcester bosch HEplus40 the igniter comes on for a bit, struggles and then fail... [Read more]

how can I fix my RSF820/20 COMBI BOILER?

takes a few attemts to light the pilot , but gets there eventually.When I turn the hot tap on the water stays ... [Read more]

radiators not coming on ?

I've had an engineer out to my house a few times about this problem but still no joy so hopefully you can give... [Read more]

I have a Vokera combi that keeps lossing presure?

I have a Vokera combi that keeps lossing presure only when I use the centeral heating. I have changed the PRV.... [Read more]

pilot light not lighting?

After mending a leaking tap my pressure droped on my boiler so put aloop in and restored the boiler presure ... [Read more]

How do I fix my ancient glow worm space saver 75?

When I turn the boiler on manually it fires up fine but after 2-3 minutes it powers down and turns off - nothi... [Read more]

How can I fix Ravenheat CSi 85 13 months old!?

Fan cuts out as soon as ignition switches on, for central heating only (Hot Water OK). Fan maybe a bit noisy t... [Read more]

W-Bosch 24 Si c/h boiler with the rumbles?

My 24 Si boiler; morning start-up. Kicks in then starts noisy rumbles. Pressure build-up has rapid fluctuation... [Read more]

equalize pressure in combi boiler?

Just had a new combi boiler fitted. But the pressure in my bolier keeps dropping and my radiotors keep filling... [Read more]

how can i restart my wall mounted water heater?

I have a vaillant heater, it was working fine this evening, i even ran a bath? when the timer kicked in for th... [Read more]

Worcester 24i junior external pipe?

Hi I have a worcester 24i junior boiler and i would like to know if it is possible to axtend the pipe that... [Read more]

heating ?

combie boiler 240 rsf.radiators and hot water get hot when heating turned on.then cold afther about 5 mins.wa... [Read more]

vokera excell 80sp?

moved the boiler drained the system turned off everything. put it back bled rads and tank lit pilot but boiler... [Read more]

How do i fix the fault code F5 on glow worm 38hxi?

F5 code is coming up and have no hot water or heating

How can I relight my Performa 24Eco HE?

We have a Performa 24 eco HE combi boiler.After having bled our radiators the red flame failure light keeps co... [Read more]

potterton boiler clicking noises when boiler is off?

hi, we have problem with a potterton boiler which appears to be related to the release of hot water when the b... [Read more]

no hot water?

central heating ok, no hot water on demand. how do you test turbine? 5 vaults registering, should be3.Worceste... [Read more]

shower runs hot and cold?

shower runs hot then goes cold