How to mend ... Hot Tap Boiler

why is my vaillant combi firing on and off when the tap water in on?

when the hot water is on the boiler keeps firing on and off

Boiler will sometimes not fire up?

I have a Ferroli Combi 77 FF which has started to play silly beggars. Sometimes when the hot water tap is tur... [Read more]

i have a glowworm 35ci. there is a f5 fault code?

the boiler stays on but when turn on the hot water tap or the heating the fault appears straight away

range powermax 155x hotwater problems?

when I turn hot water tap fully on a clunk and a groan comes from the boiler and the water stops flowing imedi... [Read more]

worcester 28i junior combi boiler?

the red light is flashing and I have no hot water (or heating). I have pressed the button repeatedly but as... [Read more]

Heatline C24 virtually no hot water to Bath taps unless tap open only a bit?

Hi The heatline 24 combi boiler supplies hot water to bath taps only when run very low, ie tap on only a litt... [Read more]

Choffoteaux celtic ff combination boiler?

chaffoteaux celtic combi boier heating works OK but hot not working when tap is turned on

how can i fix my boiler it keeps going off?

i have a boiler a main combi 24he when i turn the hot tap or the heating on it go off.i have 2bars in it and i... [Read more]

Ravenheat Fan Combi Boiler CSI85 not firing?

Hi, I have had to replace the fan & housing as the old one kept grinding to a halt. When the hot water tap is ... [Read more]

how can i fix my ariston micro genus 2 combi boiler?

my boiler shows error code e 0 4 when hot tap is turned on radiators are ok

hot water problems, on my boiler?

worcester bosch 24i rsf-l, problem, boiler will not fire up when turn on hot water tap. unscrew 1 screw on t... [Read more]

dripping water from sime 90 boiler, no hot water?

Please can someone let me know how can I fix this problem of leaking water from the Sime 90 boiler, there is n... [Read more]

hot water?

hot water not working on jaguar boiler,central heating operational. no exchange when hot tap turned on. occasi... [Read more]

No H/W from Ariston boiler unless Rads are on!!?

I have read a few forums that say this problem is almost deffinately the diverter valve, however my plumber ha... [Read more]

blowdown running constantly?

the pressure relief valve on my combi boiler runs every time a hot tap is opened or the central heating is run... [Read more]

problem with hot water on ariston boiler?

hi all i have ariston boiler which we inherited when moving in to house but have major problem with hot water... [Read more]

Worcester 28i junior, water temperature is far too hot?

I moved into a house which has a worcester 28i boiler. It says on the appliance instructions that there is not... [Read more]

the hot water goes off when i put the cold water on ?

when i put the hot water on the boiler fires up same with the shower upstaires but when you turn the cold wate... [Read more]

water temp going up and down?

the problem is that when i take a shower, water stays hot (as i like), then starts to go cold'ish, then back t... [Read more]

why does my boiler keep running?

when i turn my hot water tap off my combi boiler keeps running and overheats