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Using a 120V input will result in insufficient secondary voltage and system failure
allowing for tight operational tolerances in demanding machine room environments
This model is technically identical to the Parker 901103
Within the trade
The kit includes the necessary positive positioner
Maxitrol M520B-3/4 Gas Valve 326058-755 Using a 120V input willThe Maxitrol M520B 3 4 is a specialized 3 4" NPT Modulating Gas Valve engineered for technical precision in negative pressure (pull through) and indirect fired atmospheric burner applications. As a core component of the Selectra electronic gas flame modulating system, this valve provides instantaneous, non fluctuating temperature control without the need for mechanical butterfly valves or motors. Built with a corrosion resistant brass valve body and a