Silver Cloud II & III and Bentley S2 & S3
Coachbuilt and LWB models tended to be fitted with a single heater matrix (RH8139) with vacuum taps as per the Series 1 models, which are shown here.
Early Silver Cloud II & S2 models were fitted with a single heater & demister matrix (UD4931), whilst later Series 2 models and all Series 3 models were fitted with twin heater matrices (UD5612 & UD5613).
Heater hoses for Series 2 & 3 models are shown here