Main navigation


Search found 5 matches

  Go to advanced search
by mungo69
Mon Jul 20, 2009 6:47 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: PROBLEM Re-filling CH sytem with water - HELP!
Replies: 7
Views: 3474

[quote="htg engineer"]You could connect a hose to a drain point and backfill , or insert the hose down the cold feed from the tank, it could be blocked but could also still just be an airlock. Another thing you could try that sometimes works, undo a radiator vent, wipe with an anti-bacteri...
by mungo69
Mon Jul 20, 2009 2:41 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: PROBLEM Re-filling CH sytem with water - HELP!
Replies: 7
Views: 3474

[quote="rosebery"]You've gone and got yourself an airlock. By draining eveything originally you have filled all the rads with air. You have to let that out again as the water is fed back in. From your description it seems as though you have just shut all the bleed valves and tunred the wat...
by mungo69
Sun Jul 19, 2009 10:51 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: PROBLEM Re-filling CH sytem with water - HELP!
Replies: 7
Views: 3474

No. I'm convinced there is a blockage between the expansion tank and the system. There was lots of sludge in the bottom of the tank. There is about a metre drop from the tank and then about 2 metres along the loft floor then down to the system. Considering: 1) Plug the drain point to the mains water...
by mungo69
Sun Jul 19, 2009 10:51 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: PROBLEM Re-filling CH sytem with water - HELP!
Replies: 7
Views: 3474

No. I'm convinced there is a blockage between the expansion tank and the system. There was lots of sludge in the bottom of the tank. There is about a metre drop from the tank and then about 2 metres along the loft floor then down to the system. Considering: 1) Plug the drain point to the mains water...
by mungo69
Sun Jul 19, 2009 5:58 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: PROBLEM Re-filling CH sytem with water - HELP!
Replies: 7
Views: 3474

PROBLEM Re-filling CH sytem with water - HELP!

Hello, I've just drained my central heating (CH) of water by opening a drain point at the bottom of the house and then opening all the radiators' bleed valves. everything has been sealed up again, but the water level of my header tank has not changed and no water is coming into the system. As you ca...
It is currently Sun Feb 02, 2025 12:39 am
Go to advanced search