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I'm running a conventional potterton Netaheat boiler. The hot water won't warm up unless the heating thermostat clicks on. I flushed my heating about a month ago if it helps. The motorised valves both appear to work as they should. Is it possible to get air in the hot water system causing the...

Ok so I drained and flushed my whole central heating system. The system had 3 drain valves which I drained and also drained all the rads. All went well but the last rad won't heat up. All rads are bled and the drain valve below the last rad runs hot water, so it's going through the rad with...

I have a netaheat 16/22 which has an intermittent fault where the pump runs continuously. The fault is hard to trace as it does it maybe once or twice a week. I can turn the boiler off at the thermostat but the pump keeps running until the next scheduled start has finished. The only way I can...

Hopefully someone can help. We have an old 10-16 boiler and it has an intermittent fault. The boiler will start and run as normal but sometimes the fan keeps running and the spark keeps trying to ignite but nothing happens. I've smelt the flue exhaust thing but cannot smell gas so I presume...

Can anyone tell me how this weather strip works? As you can see it's in the middle of where the door shuts. On the side the door is supposed to shut to it has a soft sealing strip and the other side is hard plastic.

I have just replaced the gate valves on either side of my water pump and had to drain the system down. With new pump and valves installed I bled the rads and the pump. I struck up the boiler but now there is air in the the pump. All the rads run fine and are full but the bleed screw on the pump...

Hi, I'm on a gravity fed conventional boiler setup with two syncro valves and a pump. My pump has just packed up would I be able to disconnect the pump and just use the hot water and not the heating or does the hot water require the pump too? Reson I'm asking is if I need the pump for the...