How to mend ... Water Demand Heating

Ariston Eurocombi boiler fails to fire?

Hi I have an Ariston Euro Combi boiler. For some time the burners have been slow to fire up on demand (on bot... [Read more]

halstead ace high problem?

Hi, I have a problem with my hot water and heating. The Halstead Ace High boiler does not come on when a deman... [Read more]

240 combi RSF - No hot water but CH works. Can I mend it ?

Hello, I have a 240 Combi RSF and very recently the hot water stopped being hot. When I run the hot water tab... [Read more]

how can i fix my baxi combi 80 eco?

My Boiler keeps firing on hot water when no hot water is been drawen. The hot water DHW Pressure Differential... [Read more]

S Plan Plus System and Vaillant ecoTEC plus 831?

Vaillant ecoTEC plus 831 boiler is in and running the house heating and water. Control of heating is only by... [Read more]

worcester 24i rsf. intermittent pump and unreliable burner firing?

problem with boiler - when i demand hot water, the pump will work but sometimes burner will not fire up, somet... [Read more]

Chaffoteaux Calydra 100 water on demand gets cooler as used?

Chaffoteaux Calydra 100 When I use the shower the intial water is hot but soon as the ondemand tank is empt... [Read more]

Hot water and heating working but only at low demand?

Im just wondering can you help my boiler is 21months old and Im being told the warranty is invalid because wor... [Read more]

Saunier Duvall F30E Hot water but no heating?

Hiya. Hot water operates fine however....demand for heat , boiler fires up ok, temp display increases to 77 de... [Read more]

i have a Glow-worm 24ci combi?

heating was working but no hot water nothing seemed to kick in on hot water demand, then heating stopped 'f15'... [Read more]

Worcester Bosch 28 si II indicator fault light?

My Worcester bosh boiler for some time now has been losing pressure and letting out water from the release val... [Read more]

Fluctuating Pressure on Baxi 105E?

I recently had the expansion vessel replaced in my baxi 105e. (due to high pressure when heating on) . Now the... [Read more]

my ravenheat ls80 t boiler will not give heating when timer switched on?

no heating but hot water on demand from ravenheat ls 80 t bolier. what can i now do to fix it?

Worcester Bosh Boiler 24/28 si II?

I have a Worcester Bosh boiler that keeps losing pressure from what I believe to be the pressure release valve... [Read more]

water heater striking up but water only warm 4 30 seconds?

I have a 'main medway automatic' water heater which heats up the water on demand. However recently it is not d... [Read more]

Pump is sorted.How do i clean dhw heat exchanger Vaillant part no: 065053?

Pump is sorted by now. I have back hot water and central heating. But some problems with hot water persists. ... [Read more]

Problem with hot water demand?

I have a vaillant 824 E, problem with hot water demand - boiler kicks in on start up but temperature on boiler... [Read more]

greenstar 24i. No hot water?

No hot water delivery, the boiler kettles on the main heat exchanger with HW demand. Central heating demand n... [Read more]

worcester 24i rsf combi heating?

hi, when in demand mode my boiler fails to light. fan does not run or pump, but hot water system is fine and w... [Read more]

How to fix my Potterton Lynx Boiler?

My boiler had a problem with the ignition. The insulation had come off the wire to the sparker and it sparked ... [Read more]