Biasi Pump and Jolly Valve BI1222101.
City Plumbing
The Biasi pump is located within the heating appliance after the primary heat exchanger and allows heated water to circulate within the closed heating system.
Direct Heating SparesBIASI BI1222101 NEW PUMP AND JOLLY VALVE. Genuine brand new Biasi product, covered by a Biasi manufacturer's guarantee.