FW0539 - 3/4'' BSP Washer (Single)

3/4'' BSP Washer (Single). On the FEB24 boilers this can be used a primary heat exchanger washer and also be used on the central heating flow pipe.

D51B
D51B-B
D51B-C
D51B-E
G101B-B
G101B-C
D61B
D61E
G111E
G11E
FEB24E
FEB24ED
FEB24ED3*