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by Paul Griffin
Mon Sep 28, 2009 5:26 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Draining central heating system
Replies: 5
Views: 6505

Thanks for the information. So, putting it very simply, the only way to get the inhibitor into the system is to remove the 1/2" BSP vent plug in a top floor radiator, use some kind of funnel or tundish and pour the inhibitor into that. Provided I have more than 1 radiator vented on the top floo...
by Paul Griffin
Fri Sep 25, 2009 8:59 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Draining central heating system
Replies: 5
Views: 6505

Good information but, without a header tank on a combi system, how do you put the inhibitor back into the system? I also assume that just turning the mains water back on will refill the system; the cross-connection to the boiler is simply to pressurise the boiler diaphragm, yes?
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