How to mend ... Could Diverter Turned

No hot water when Ravenheat 84E? on but hot water when the CH is on?

My Ravenheat 84e/t has stopped giving out hot water. I can only have hot water when the system is fully operat... [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]

how can i fix my hot water, baxi 105e combi boiler?

i recently fitted a new set of mixer taps with shower head attachment to my bath, but when i turn the hot tap ... [Read more]

Halstead Ace High - Overheat and Lockout?

Hi, We have a Halstead Ace High. Within about 45 seconds after drawing a substantial amount of hot water (t... [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]

eurocal boiler oil, radiators constantley on when no heating on. ?

the radiators upstairs are always hot, no heating is on and the boiler fires up when nothing is turned on such... [Read more]

vailant turbomax 824/2e slow to produce hot water?

my vailant turbomax 824/2e does not fire when the hot tap is turned on it takes some time before igniting then... [Read more]

High pressure and hot at both rads and water?

I have a canray 5 oil boiler. The circulation pump had ceased and has now been replaced. However I have some w... [Read more]

ravenheat csi 85 problem?

hello, my ravenheat csi 85 has just developed a little issue . What happens is when the ch is off i turn on ... [Read more]

baxi combi instant 105e?

inheating mode temp. goes to 50`c then turns off . i have changed both temp. sensers. burner stays on in DHW m... [Read more]

linea 28 hot water problems?

my linea 28 hot water problems are that when hot tap is turned on water is heated to 40c then burner steps bac... [Read more]

repairing a diverter valve worcester heatslave 20/25?

Is it possible to repair the accentuator/diverter valve on the heatslave 20/25, its giving heating and water t... [Read more]

ravenheat LS80 shower water not as hot as it used to be?

Hello we have a Ravenheat LS80T. A couple of years ago it stopped firing up when h/w taps were turned on and i... [Read more]

header tank getting hot?

Have been asked to look at my friends boiler for her, the water in the header tank in the loft is getting hot ... [Read more]

No hot water & central heating - Sime Super 90 combi boiler?

Combination boiler is 9 years old, no hot water or central heating. When hot tap turned on switch clicks but p... [Read more]

turbomax 828e?

hot water not reaching temp ,and rads getting hot when on hw,changed diverter this cured rad problem , but hw ... [Read more]

Ghost heating?

Potterton neata heat 16-22 Mark 2 F about 18 yrs old but still going strong serviced every year. Problem ... [Read more]

Heating but no hot water on Heatline Compact?

Heating is fine, but when a hot tap is turned on there is nothing, no attempt to fire up and a whining noise f... [Read more]

Ariston Euro Combi - Hot Water problem?

Euro Combi SX 20 MFFICE (GC No: 4711602) A few weeks agao, I had a problem with my heating - cured by chang... [Read more]

worcester greenstar 28i?

when the boiler is turned on there is a blue light flashing fast, I havent got any hot water or central heatin... [Read more]