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Is the vent point a place where I can drain water? On the bottom of one side of the cylinder is a point when I can attach a hose. This pipe is not warm, the pipes on the other side of the cylinder are very warm. I have also noticed that there is a bit of steam/white smoke from the outflow...

I have locked both valves on open position but this makes no difference.

Not sure mate, I don't know much about heating. Two tanks in the loft, grundfos pump and two 3 position valves. I bled the system and now the boiler fires up for longer periods and the heaters are starting to warm. However, after a couple of minutes the burner goes out. The ignition cycle...

1)The expansion tank has water in it and the ball valve seems OK 2)I have removed the outer casing of the pump and the pump/shaft is turning OK when system powered up 3)There is no heating or hot water. I have tried each independently but same events occur. The boiler takes a few attempts...

I'm new to all this but here goes 1) Pump is Grundfos. I removed the silver screw from side and the rotor/propellor can be seen spinning. Does this suggest that it is OK? When this problem started and the system had been on for about an hour I noticed that the pipes either side of the pump...

My mother has a old netaheat electronic boiler which fails to stay on once lit. When the system is started it goes through the usual clicks and the burner comes on. After a minute or so the burner goes off and the click cycle starts again. After a a few attempts the burner comes back on and runs...