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Ndu
Hi, newbie here seeking advice. Gas connected two years ago, Worcester green star 32 cdi condensing boiler fitted operating underfloor heating, two towel heaters, two rads, new pipe work, mix of copper/plastic. System drained recently (additional rad) water drained off seemed clear.
Advice I'm asking for: boiler is noisy, no banging or kettling, just groaning which gradually quietens.
Not confident boiler was treated with inhibitor on installation, got F1 to treat, should I flush with F3 before treatment or is it not necessary?
Any professional advice appreciated!
Advice I'm asking for: boiler is noisy, no banging or kettling, just groaning which gradually quietens.
Not confident boiler was treated with inhibitor on installation, got F1 to treat, should I flush with F3 before treatment or is it not necessary?
Any professional advice appreciated!