PRODUCT FEATURES
Essex 2 1/4 inch E1 SX Immersion Heater Boss Flange FLAT Oil TankProvides a BSP parallel female outlet from a hot water cylinder or tankThis item is for a FLAT tankSupplied with two "SX" cork washersEssex 2 1/4 inch E1 SX Immersion Heater Boss Flange FLAT Oil TankProvides a BSP parallel female outlet from a hot water cylinder or tankThis item is for a FLAT tankSupplied with two "SX" cork washers