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We have 79 questions about mending 'gas open boiler'

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Mend Heating, Home Heating Systems

Programmer fault or boiler?

Hi, We have just moved in a house which has been vacant for about two years. There is an Ideal Classic FF35... [Read more]
Mend Heating, Home Heating Systems

how can i fix my puma 80 boiler ?

in summer my puma 80 boiler is only on for hot water and central heating knob is in the middle position on off... [Read more]
Mend Heating, Home Heating Systems

Saunier Duval F35E auto-vents down to code 21 in minutes?

7 year old boiler, noticed code 21 (radiator circuit pressure low) so she opened the filling loop but left it ... [Read more]
Mend Heating, Home Heating Systems

Worcester 9.24 Electronic combi boiler, pilot light will not stay on?

Need new pilot light sensor probe as main gas valve will not open and pilot light goes out when push button fo... [Read more]
Mend Heating, Home Heating Systems

how can i fix my roca gas boiler laura 30 af?

my boiler doesn't work at all it shows an error triangle with error number 6 according to the manual" overheat... [Read more]
Mend Heating, Home Heating Systems

Worcester 35di wont light?

just bought a new house electric gas water been off for a while. all now back on radiator bleed valves all cl... [Read more]
Mend Heating, Home Heating Systems

baxi 105he wont relight?

HI MY GAS WAS TURNED OFF TODAY FOR 10 MINS NOW I CANT GET MY BOILER TO RELIGHT IT JUST SHOWS THE flame failure... [Read more]
Mend Heating, Home Heating Systems

Vaillant ecotec 418 needs a new heat exchanger?

How hard is this to change, the boiler is open vented, heat only. I am "Gas Safe" registered.
Mend Heating, Home Heating Systems

Vaillant VMW ES/282/2-5 R1 boiler not firing up?

I have a boiler VMW ES 282/ 2-5 R1 The boiler will not light, it sparks but there is no gas. I have renewe... [Read more]
Mend Heating, Home Heating Systems

glow worm boiler model economy e50f?

biler pilot comes on but keeps on sparking main gas valve does not open have fitted new spark cable and cleane... [Read more]
Mend Heating, Home Heating Systems

Vaillant ecoMAX pro 28E not modulating as it did?

The boiler is used in an open vented system. It used to control well modulating to reduce gas input in respons... [Read more]
Mend Heating, Home Heating Systems

Ferroli combi boiler F1 fault?

Ferroli combi boiler F1 fault? Any help appreciated. The gas meter is open and working fine. Boiler shows f... [Read more]
Mend Heating, Home Heating Systems

How can i fix my Potterton Performa 30 HE Boiler?

Boiler failing to fire up; showing fan & flame fault indication. Dismantled boiler and checked fan on 240v sup... [Read more]
Mend Heating, Home Heating Systems

intermittent problem with central heating valve not opening?

We have a Drayton wireless for our central heating, and a Drayton ZA5679-2 2 Port motorised valve also for hea... [Read more]
Mend Heating, Convector Heaters

Saunier thelia 23 boiler not igniting?

I have a fault on the boiler, Everything seems to work but it will not ignite. I have checked the voltage to t... [Read more]
Mend Heating, Home Heating Systems

worcester bosch 537i gas combi?

open dhw tap - boiler fires and goes to full fire fan on pump on no hot water
Mend Heating, Home Heating Systems

How can I fill system pressure loop?

I have MAIN COMBI 24 HE boiler. When I dont use it, pressure stay in 0 and when I use hot water it goes up to ... [Read more]
Mend Heating, Home Heating Systems

Ravenheat Little Star LS100 problem?

I have had a few problems with this boiler for the last year in that the DHW is only hot when it feels like it... [Read more]
Mend Heating, Home Heating Systems

lxff and ff fanneel gas boiler uk - how many watts is it?

lxff and ff fanneel gas boiler uk i know its discontinued but how many watts is it? can i replace it with a o... [Read more]
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