This part is 100% genuine Numatic. It is know by 220379 as its part number. Numatic Water Solenoid Valve Older Style FOR BATTERY OPERATED MACHINES. TTB345-80T, TTB345-100S, TTB345-100T, TTB345, TTB3450S, TTB3450T, TTB3450-100S, TTB3450-100T, TTB4045, TTB4045-T, TTB4055 TTB4055-T, TTB4552, TTB4552-T, ETB4045, TTB1840 24V DC, 25W COMPLETE WATER SOLENOID.
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