How to mend ... Diverter Valve Problem

No heating but got hot water?

I have hot water but no heating. Thermostat is on, timer is on but the boiler won't fire up for the heating. I... [Read more]

britony combi boiler problem?

The boiler keeps heating the radiators even when I have switched to hot water only. Sometimes the only way I c... [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]

vailiant turbo max hot cold fluctuating water temp?

Our boiler continually fires up and goes out every 5-10mins giving a fluctuation in hot water temp from stone ... [Read more]

my ariston microgenus combi when i use the shower will fire up but no hot w?

is the problem the diverter valve if the boiler fires up for hot water but doesn't heat the water.this happens... [Read more]

one raditor heating up on hot water side?

hi have a y plan system wich has a mid position diverter valve the problem is that the motor on the valve is s... [Read more]

hot water but no central heating on cb28 alpha combi?

checked micro switch and removed and cleaned diverter value, boiler runs on heat and water.and stops on boiler... [Read more]

Heating system?

Hi, I have a eurocombi SX 20 MFFCE & when my central heating is on & then switched off I lose pressure from th... [Read more]

Intermitent hot water?

have a s/duval 30e system........problem is heating works fine.... hot water....will only ignite and heat..... [Read more]

ferroli optimax 25c problem?

hi there i have a optimax 25c ,,it wasnt lighting so i replaced the ignition pcb ,,now it lights ok ,,but when... [Read more]

Can someone help with a boiler pressure problem?

We have a baxi dou tec combi 28 HE boiler that is less then 2 years old. Last week we had to have the divert... [Read more]

Vokera boiler works in heating mode but not Hot water only mode?

I have a problem with my boiler it is a Vokera 20-80 RS flowmatic. The flowswitch tries to move but does not o... [Read more]

halstead sime problem ?

my halstead sime boiler wont heat the hot water but the central heating is red hot we had this problem before ... [Read more]

How can I correct my Potterton 24ihe boiler diverter valve problem?

Having paid for an engineer to view the boiler, he has diagnosed the diverter valve as faulty and letting heat... [Read more]

Heating comes on when hot water tap is running?

The problem with my Halstead Ace boiler is that when i run any hot water tap the heating circuit is also getti... [Read more]

ravenheat rsf 820 fault?

hi guys, ive got a problem with my ravenheat boiler,it fires up perfect for central heating but only lately wh... [Read more]

hot water problem with worcester 24cdi?

Hi I have had the same problem, i could only get hot water when the heating was on, we called a plumber who... [Read more]

ravenheat ls80t no central heating?

can you help,just recently my central heating has stopped working,i have tried all the usuall thermostat,press... [Read more]

Sime super 90 overtemp trip?

My boiler is working fine for the CH side of things. When I run hot water the overtemperture trip goes after a... [Read more]

hot water cuts out on worcester 24cdi(tank fed)?

when the tap is open the boiler fires up and runs for roughly one minute then will cut out, im thinking its a ... [Read more]