How to mend ... Hot Water Demand

no hotwater on worcester 24cdi ?

My central heating works ok but when I come to run the hot water for a bath the light indicator (red) does not... [Read more]

how can i fix my vaillant ecotec plus 837 combi boiler?

why does my boiler stop supplying hot water + displays code s.53 when i run my shower or bath ? Other taps in ... [Read more]

Halstead Finest Combi Boiler Locking Out?

When a hot tap is turned on and the central heating is not on or on demand, the hot water flows whenever a dem... [Read more]

need help diagnosing?

have a ferroli optima 701,fan continually on low rate,will fire up,but fan remains on low rate,tried new fan,b... [Read more]

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]

noisy fan ?

I have a worcester 28si combi and there is a noise when the hot water demand increases. Its like an increase i... [Read more]

Britony flexiflue water heater?

Turning gas knob to 9 o'clock pilot lights..12 o'clock pilot goes down to halve..there is a click!Turning to 3... [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]

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]

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]

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]

Worcester 350 water luke warm?

Recently changed main PCB now water luke warm CH okay. Demand light does not indicate. Checked circuits as per... [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]

Heatslave 15 19 burner not igniting on hot water demand?

According to the manual, the burner should come on under hot water demand. Mine doesn't unless the shower temp... [Read more]

Noisy Baxi 105he ?

I have a 3 year old Baxi 105he instant with a noise problem. After using hot water demand, eg shower, and the ... [Read more]