How to mend ... Central Heating Valve

Boiler pressure keeps increasing?

Hello, I have a Worcester Heatslave 15/19. When the central heating is switched on, the pressure rises.. I ... [Read more]

ideal Classic 18 SE FF electrics?

My central heating system is fired by an Ideal Classic 18SE FFboiler. The system has an intermittent fault.... [Read more]

ferroli combi77ff losing water presure?

have changed ch presure safety relef valve but still no change i keep topping the system up the hot water runs... [Read more]

diverter valve coming on for no reason?

Our central heating system works fine in that the timer comes on when it should and we have both heating and w... [Read more]

problem with glow worm 30cxi?

got a glow worm 30cxi hot water stopped,when i ran a hot tap the central heating flow pipe got hot,so i have c... [Read more]

heating?

hi i am having some problems with our central heating... to be brief we are in a three storey townhouse and a... [Read more]

Potterton Promax 24HE - No Central Heating?

Since the weather turned colder a couple of weeks ago we have been unable to have heating without the hot wate... [Read more]

central heating?

what position is a three way central heating valve ment to be to have the central heating and the water on at ... [Read more]

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]

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]

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]

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

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]

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]

frost precations?

If I leave my boiler on and my radiator valve thermostats set at frost setting how reliable is this to protect... [Read more]

Hot water ok but central heating not working?

Thanks Tim, Is the syncron motor part of the Nova 402906 gas valve and do I need to be CORGI registered for t... [Read more]

putting up pressure on Greenstar 30Si combi boiler?

My pressure is on 0 and although the central heating is good, I have none in the loft conversion in the attic.... [Read more]

Why does my Bosch Worcester 24 CDi keep repressurising itself?

My bolier keeps repressurising itself slowly through use. I can't use my central heating as the PRV has broke ... [Read more]

Ferroli Mondena 102?

No hot water or Central heating.The boiler starts up, the burner lights and the fan runs, then after about 5 s... [Read more]

Vaillant TurboMAX Plus 824e -No Central Heating. DV ok?

Boiler appears to function normally with plenty of hot water, no fault codes, pressure 1.8bar but I cannot get... [Read more]