J
jarvis0808
hi please help
worcester condenser boiler fitted, pressure was 2.5 so i drain all system off using pressure relief valve. Re filled and topped up to 1.2 but radiators up stairs red hot but downstairs cold, what have i done wrong
rachael
worcester condenser boiler fitted, pressure was 2.5 so i drain all system off using pressure relief valve. Re filled and topped up to 1.2 but radiators up stairs red hot but downstairs cold, what have i done wrong
rachael