N
newbie
Hi all, im new to the forum and looks like there are some very knowledgeable people on here so thought I would ask a question.
I have a heatslave boiler to drain down, could I close all trv's and just drain down from the boiler using the drain off so I only drain the flow and return pipes?
I have a heatslave boiler to drain down, could I close all trv's and just drain down from the boiler using the drain off so I only drain the flow and return pipes?