This genuine JCB 12303142 heater valve is an essential component for controlling the flow of hot water to the cabin heater matrix in a wide range of JCB machinery. Manufactured to OEM specifications, this valve ensures precise temperature regulation and efficient operation of the heating system, providing comfort for the operator. It is a direct replacement part, designed for durability and reliable performance in demanding agricultural and construction environments. Confirmed dimensions are 95 mm length, 51 mm width, and 51 mm height, with a weight of 0.12 kg.