Mend > Home Heating Systems

heating will not start riello boiler?

home heating will not start,starts up but then cuts out

how can i fix my vokera compact 80 ?

intermittently delivers cold water when delivering hot water

Does my Pulsacoil 2000 need a service once a year?

Ihave a pulsacoil 2000 system but need to know whether this should be serviced yearly?

How to replace a Diaphragm on an Alpha 240p?

Hi, I have a very very small leak from the DHW Flow Valve on my Alpha 240p. There is a very small leak f... [Read more]

combi boiler?

i have a caravan with a central heating combi boiler & want to know how to get anti freeze into the system?

burner doesnt light up?

vokera 20-80 R.S pilot is on but burner doesnt come on

help with sauter zdr101 timer?

i need to re programme my sauter zdr101 timer, but cannot find the instruction manual. can anyone please help

ecoflame gas consumption?

i have with me a ecoflame burner model minor1.1/1.1R ,can somebody kindly tell me how much gas(disel ) does it... [Read more]

replacing switchmaster midi 3 port valve?

can a sunvic 3 port momo valve replace an old switchmaster midi 3 port. if so can anyone tell me how to wire i... [Read more]

no hot water from worcester 24 cdi?

i have a worcester 24 cdi combi boiler, the red light keeps flashing on the radiator dial, no hot water and th... [Read more]

my ideal mini condensing combi boiler wont fire?

when i call for hot water the boiler wont fire,the pump,exhuast fan and motorised valve all operate as normal.... [Read more]

Why does my Aplha 280E Boiler fail to light now & again?

My Alpha 280E boiler has the following problem -9 times out of 10 it is OK. Sometimes, you switch on the combi... [Read more]

leds flashin gon 50,70 and 80 on my Brittony combi se?

the lights keep flashing I have tried the reset button to no avail what do i do next as I have no hot water

GEM Combi Boiler- Has Gem Combi Boilers got Models?

As an EPC Assessor, I came across GEM Combi Boiler for the 1st time. And I can't find a model name on it, all... [Read more]

overflow is flowing constantly?

overflow is flowing constantly

Can only get hot water when central heating is on?

I can only get hot water if I turn the central heating system on. Once the heating is on I can then switch off... [Read more]

how I can fix my boiler glow worm flow model 30 si?

My boiler flashes F5 on the panel, no heat and no hot water, I looked for the red switch I could not find it, ... [Read more]

How can i fix my vokera excell boiler?

My pilot light is on but when i put my heating or hot water on it doesn't for lack of a better word whoosh as ... [Read more]

ignition wont light vokera linea 24 ?

the ignition wont light red light and 4 coming into temperature window

best flow temp?

what is the best flow temp to set my condensing boiler to?