hello,
i have a sealed central heating system that is loosing pressure over a period of about a month. 1 bar to zero.
if i cant find a obvious leak, do these central heating system sealing products work?
http://www.buyplumbingonline.co.uk/products/Fernox-F4-express-central-heating-leak-sealer-265ml.html
if so permanently?
the pipes look an overall good condition.
thanks in advance.
i have a sealed central heating system that is loosing pressure over a period of about a month. 1 bar to zero.
if i cant find a obvious leak, do these central heating system sealing products work?
http://www.buyplumbingonline.co.uk/products/Fernox-F4-express-central-heating-leak-sealer-265ml.html
if so permanently?
the pipes look an overall good condition.
thanks in advance.