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always verify your specific orifice and pressure regulator requirements
Common Questions Is the S1-024-27552-002 compatible with other brands
fitting standard York control compartment mounting patterns
Is the O10-1416 compatible with 240V systems
Maxitrol M520-3/4 Gas Valve Refrigerant always verify your specific orificeThe Maxitrol M520 3 4 Gas Valve is a 3 4 inch NPT modulating gas valve engineered specifically for atmospheric, indirect fired burners used in commercial and industrial space heating. As a core component of the Selectra electronic gas flame modulation system, this valve provides instantaneous, non fluctuating temperature control without the need for external mechanical activation, motors, or butterfly valves. The M520 3 4 modulator valve is