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Genuine Streamline Air-Gas Valve Assembly
Interchanges with the Impco AV1-12-2 Air-Gas Valve Assembly
Silicone diaphragm – provides excellent flexibility in cold weather climates and is more resistant to chemical contamination than Hydrin diaphragms
Suitable for applications with air flow requirements up to 380 CFM (179.3 L/s)
Made in the USA
Carburetors consist of a mixer and throttle body assembly, and an optional air horn. Mixers are configured for various modes of operation by using the appropriate replaceable air-gas valve assembly. The shape of the gas valve cone in the air-gas valve assembly determines the mode of operation. The N-AV1-12-2 (PN N00-7407A) air-gas valve is designed for open-loop LPG (propane) operation and provides the standard air-fuel mixture. Feedback (closed loop) LPG operation and other fuels (eg, methane, natural gas, digester gas, etc) require the use of other air-gas valves. The fuel mixture may leaned with the use of one or more air valve spacer shim ring N-R1-30.