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We have 872 questions about mending 'heating valve boiler'

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Mend Heating, Home Heating Systems

Ferolli SYS 10-23 Boiler runs continuously?

Hi there. I have a Ferolli SYS 10-23 gas boiler. The boiler is run from a Grasslin QE2 timer switch. Recentl... [Read more]
Mend D.I.Y, Plumbing

ravenheat whitestar LS80T?

Hi I have a Ravenheat whitestar LS80T and I have no central heating but still have hot runing water, if i turn... [Read more]
Mend Heating, Home Heating Systems

Vokera Linea 24, Saftey vale has dischared water. Pressure at 02. bar?

Hello, I have a Vokera Linea 24 boiler. The heating is not working. The pressure reads 0.2 bar. The saftey ... [Read more]
Mend Heating, Home Heating Systems

my heating works but no hot water?

when my heating is on and i switch to hot water as well the boiler stops i have changed the pcb but now i thin... [Read more]
Mend D.I.Y, Plumbing

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]
Mend Heating, Home Heating Systems

Worcester 24i RSF Junior - Water Flow Switch Melted!!?

Hi, had a few probs recently wi boiler, new Gas Valve & new PCB within last 2 months seemed to have sorted it.... [Read more]
Mend Household Appliances, Sewing Machines

Heating system not working correctly?

My central heating system is causing me problems. The boiler fires OK, but I can only get hot water. The centr... [Read more]
Mend Heating, Home Heating Systems

How can i fix my heating system?

I have a Thorn boiler, sealed system vented (DHW). The water is being heated but the radiators are staying col... [Read more]
Mend Heating, Home Heating Systems

Glow Worm Ulimtate 50FF Fault?

Our boiler comes on with the timer and goes off with the timer all ok however it does not recognise what tempe... [Read more]
Mend Heating, Home Heating Systems

is it repairable?

I have a glow worm swiftflow combi boiler and there is a constant drip coming from the over flow outside. The... [Read more]
Mend Heating, Home Heating Systems

The boiler will not fire up in 'Central Heating Mode'?

A new expansion valve has been fitted but the heating was not working before this
Mend Heating, Home Heating Systems

boiler pressure?

boiler pressurises when heating comes on vokera 24,filling loop disconnected then dumps water through release ... [Read more]
Mend Heating, Home Heating Systems

error code?

my customers centora 24 combi is showing code 07 which i believe is no circulation on primary circuit. i suspe... [Read more]
Mend Heating, Home Heating Systems

How can i get the correct pressure back in my boiler?

I have a Vaillant turbomax boiler.After having a couple of radiators removed and then put back to the wall i h... [Read more]
Mend Heating, Home Heating Systems

my back boiler has stopped working for no reason?

my back boiler has stopped working for no reason. I cant get in to see what make and model it is though so it ... [Read more]
Mend Heating, Home Heating Systems

Valliant boiler - Hot water but no heating?

I'm guessing that the problem is that the pressure is too low, as it's under 1.0. I have followed the instruc... [Read more]
Mend Heating, Home Heating Systems

Hot Water but no CH Potterton Netaheat Profile 30e-80e?

In the last day or so we have noticed that we are getting hot water but no Central Heating (rads are cold etc.... [Read more]
Mend Heating, Home Heating Systems

worcester 24cd1?

the pressure in the boiler constanttly stays at 4bar, blowing the release valve. integral fill... [Read more]
Mend Heating, Home Heating Systems

heating system?

my combi boiler will not fire up,it is a ocean alpha 240/xp,i have checked the usual pilot, pressure and the c... [Read more]
Mend Heating, Home Heating Systems

actuator/stepper motor is not moving?

I have a heatline c24 condensing boiler diverter valve actuator/stepper motor is not moving. The central heat... [Read more]

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