Mend > Home Heating Systems

How do I stop water from flowing outside from my ferroli optima 901 boiler?

Pressure bar is constantly at 3. If I drain radiators, pressure reduces but then creeps back up again. I have ... [Read more]

why does heating come on when i turn on hot water tap?

I have a vokera compact 29 HE. No matter wether I have the selector on for heating and hot water, or hot water... [Read more]

vokera ch flow valve dripping?

vokera excell sp 80 combi , CH flow valve underneath boiler is dripping water , when ch is off or on . Is ther... [Read more]

Intermittent boilet fails to fire on heating?

I have a 5 year old Glow-worm CX35i controlled by Drayton Digistat SCR and analogue timer (on the panel). The... [Read more]

bubbling sound?

my vokera vision 25c is making a very loud bubbling noise when running chap from vokera wont be here until we... [Read more]

ideal c30 independant boiler?

when hot water demanded and radiators off rads start getting hot. checked divertor valve actuator ok and pin m... [Read more]

How can I fix my Dimplex XL5N storage heater?

My Dimplex XL5N storage heater keeps blasting out heat with no apparent control, even when the output control ... [Read more]

boiler loosing presher?

my ideal HE24 boiler looses pressure when the heating is off but if left on auto keeps pressure but if heat... [Read more]

Boiler vailant heating system?

Flashing F22, I have no heating Or hot water. thanks for any help

Celsia 24le flashing red light?

Neighbours gas was turned off for repairs. Just got in and red flashing light on radiator dial. Tried the red ... [Read more]

boiler making loud noise?

have had intermittent problems with the boiler a voucher mynute 25 HE water dripping from underneath, then pre... [Read more]

how to ignite pilot light on worcester 240?

I have viewed the answers to this problem on your site that identifies a grey knob and red button but there i... [Read more]

f showing on ideal isaar boiler?

I have no hot water or central heating coming from boiler and f is showing on the panel

how do i fix my synergy 29e system boiler?

my boiler keeps cutting out and 03 is flashing

Why does my Sabre 25HE pcb fuse keeps blowing?

The pcb fuse blows after the boiler is switched on after a few minutes. I have had the boiler replaced as tena... [Read more]

my ideal boiler logic system 24 is losing pressure and leaking out the air ?

my ideal logic system 24 boiler is experiencing low pressure and leaking from the pressure release pipe

f75 fault?

have seen your answer about low pressure causing the problem, but I checked and the pressure reading is 2.3bar... [Read more]

boiler leaking?

Why is my boiler leaking water through pressure relief valve when I demand heating

baxi ?

My boiler keeps coming up with E133 the water comes on sometime when I reset it, but when I put my heating on ... [Read more]

Siemens RDJ10 and new boiler?

I have a siemens RDJ10 I have just had a new Worcester Bosch boiler fitted and have been told I need a new the... [Read more]