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This 40 amp 3 pole contactor is footprint-compatible with industry standards
Whether you are managing head pressure or preventing evaporator freeze-up
Always verify your amp draw does not exceed 25A
It is typically wired to the 24V or 120V control circuit of a circulator pump or boiler enable signal to ensure flow only when the valve is open
Maxitrol M520H-3/4 Gas Valve Els PW 29614 This 40 amp 3 poleThe Maxitrol M520H 3 4 is a precision engineered modulating gas valve specifically designed for LP gas applications requiring a wider modulation span. Built for compatibility with atmospheric burners and direct fired systems, this 3 4" NPT valve operates within the Selectra electronic gas flame modulation system to provide instantaneous, non fluctuating temperature control. Unlike standard regulators, the M520H functions as a modulator that requires a
