Marnie
Lv 4
Marnie asked in Home & GardenDo It Yourself (DIY) · 7 months ago

How to do a flush through of a Vailent combi gas boiler?

1 Answer

Relevance
  • 7 months ago
    Favourite answer

    its not something you should tackle ...but if done properly the plumber will have a special pump ..and chemicals ..they turn all rads off bar one ....work their way through ..turning on and off in sequence ...in doing the rads the boiler is done at same time ...it can take most of day

    • Commenter avatarLog in to reply to the answers
Still have questions? Get answers by asking now.