This is the single demister and heater matrix for the early Silver Cloud II and the Bentley S2 models. Early Silver Cloud II (Prior to SZD347) and S2 (Prior to B415DV) models

This is the water / heater tap. This part is also known as the summer and winter valve.  You will need 1-XB1098 washer to make a tight seal when replacing. 1956-1965 Silver Cloud...

This is the heater tap. Note: You will need the o ring (XB6203) when replacing the tap 1966-1977  Silver Shadow, T-series, Shadow II, T-2, Silver Wraith II  (VIN# 1001-26708)