CPUK Part Number: GV02. Manufacturer: PEL. 7989B-3 PEL. Overall length is 120mm, the shaft is 8mm x 6.5mm x 22mm long with the flat at the bottom when arrows are facing upwards. Main gas inlet and outlet thread is M16 x 1.5 to accept 8/10mm tubing (nuts are not supplied as most appliances re-use old nuts).
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