pressure keeps rising over 3 bar sometimes upto 4.
had filling loop replaced and heat echange but has not fixed problem.chaffoteaux sterling ff aprox nine years old
Drop the boiler water pressure to zero .using a foot pump increase pressue in pressure vessel to 0.9 bar .reduce boiler water pressue to zero if it increases.when pressure in pressure vessel is 0.9bar and boiler water pressure is zero,increase boiler water pressure to 1.2 bar .bleed the radiaters.
Pravin
January 2007
expanssion vessel is the problem
hi-spec plumbing
January 2007
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