Mend > Home Heating Systems

pump runs but nothing circulating in system?

Boiler fires up fo 30 or so seconds, the pump runs and the system seems to be working then the boiler stops an... [Read more]

how to fit a venturi ?

is it difficult to fit a venturi and pressure tube kit to a vokera 25he cmbination boiler and if not how is it... [Read more]

Worcester bosch 240 Combi BF & OH pilot light extinguishes after an hour?

The pilot light extinguishes after about an hour on heating, shorter if ignited soon after it's gone out. The ... [Read more]

no hot water, boiler does not ignite?

sometimes the boiler does not ignite the light flashes goes off,no hot water or heating, but sometimes works f... [Read more]

my heating comes on and goes of after a few minutes?

i get hot water but when i put the heating on it omes on and thn goes of after ten minutes

Fault F1 and F3 with boiler/keeps cutting out?

When running the hot water my boiler keeps cutting out. I keep getting error F3, then i will keep getting erro... [Read more]

boiler fires up then goes off?

the boiler fires up then cuts off just after about 5 mins

Stuck wiring glow worm ultimate 70ff boiler?

I have a glow worm ultimate boiler and my system is a Danfoss heatplan pack with programmer and (2 x 2 port va... [Read more]

continuosly running pump?

Hi I was having trouble getting my potterton 28i to fire up and it turned out to be a hole in the dhw sensor ... [Read more]

baxi 105e....no c/heating& hot water...???

how can i fix it...???

vaillent 142eh losses its water presure?

i refill it and it losses presure as soon as its fired up. i think the presure chamber needs to be re infla... [Read more]

How Do I Increase The Bar Pressure On My worcester24i Combi Boiler?

The Bar Pressure Has Dropped To Almost Zero, How Do I Increase The Pressure Back To 1.5 -2.5

How can I fix my boiler, saunier duval, thermaclassic F 30 E?

My boiler is a Saunier Duval thermaclassic F 30 E. Hot water is fine but the central heating won't come on. Th... [Read more]

Ideal Sprint f Boiler will only fire up after 3 minutes?

My Boiler will only fire up and heat the hot water once a hot water tap is left continuously running for a few... [Read more]

no heating or hot water?

glowworm ultima only got pilot when calling for heat

How do I fix my worcester bosch Heating Boiler?

Water slowly leaking out of overflow pipe when 3bar is reached then needing to be refilled every three to four... [Read more]

how can i repair faulty pilot jet in thorn emi m80/m100?

I cannot light the pilot light, there is a good spark and good gas supply to pilot jet but no gas comes out of... [Read more]

No display on Ferroli Optimax HE 31 C control panel why?

Please help. The control panel has some lines on it (power is on) but no symbols at all - no fault codes, no p... [Read more]

can i repair my sunvic select 207xl heating control?

I can NO longer put my hot water on without having the heating on at the same time,the timer and the 1hr boost... [Read more]

drained system to install towel heater. boiler will not fire ?

Drained system to install towel heater. Refilled and vented all rads. Boiler will not now fire although it di... [Read more]