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Last winter I had a lock shield valve start to leak on me so I drained the system to change it. I figured if one was on the way out the rest wouldn't be far away... so I changed the rest of them while the system was already empty. However as I was desperately trying to switch the water off I...

HI there, I have a problem with a Gloworm 50ff that perhaps someone can help me with. My boiler will fire up and run for around 10-15 mins all my radiaters get hot, then even though the room thermostat and the thermostat on the boiler is calling for heat the boiler cuts out. After 5-10...