Boiler filling loop
General question, I just topped up boiler pressure on an old system at my grandparents, I’ve left now but think I opened and closed the valves on the filling loop in the wrong order, will that be a problem, they’re defo shut but on the videos on YouTube it says about which one to open first
Advice from 4 local tradespeople
To the best of my knowledge, there is no right or wrong order to open the valves. As long as both are closed then you'll have no issues. Thank you.
Is fine as long you did not fill more than 2.5 bars and you shut the valves off, or at least one.
The order in which you the filling loop does not actually matter. The most important thing is to shut the filling loop off.
To isolate the filling loop valve the handle on the filling loop valve needs to be vertical so it looks like a T...
