Search found 3 matches

by DanielH
Tue Oct 23, 2007 3:04 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: re-run pipe work to rad
Replies: 2
Views: 2865

Oops, forgot to mention turning off the water in my earlier reply. The safest option would be turning off the main stopcock for a few hours till the work's complete but if this isn't an option you could do whichever one of the following applies to you: If you have a combi, just make sure it's switch...
by DanielH
Tue Oct 23, 2007 2:23 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Hot water flowing from vent tube into expansion tank?
Replies: 2
Views: 7627

If it only vents when your pump's on you could try turning down your pump (they usually have 3 speeds and are set on the middle setting) It could be worth a try to stop it pumping over. If it's just the the overflowing you're worried about you could just turn down the amount of water in the system w...
by DanielH
Tue Oct 23, 2007 2:13 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: re-run pipe work to rad
Replies: 2
Views: 2865

Draining the system

First find the drain valves they might be outside or below a radiator (they should always be the lowest point in the system) Once you've found the drain valves turn off the boiler and open them - use a air key to let air into the rads (starting upstairs working down) When no more water comes out fro...
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