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A 2-pole sequencer controls two distinct circuits
as housing dimensions vary based on the inducer motor's RPM and static pressure requirements
An open circuit indicates a failed coil that requires immediate replacement
Does this replace the S1-025-33474-240
MAMAC Systems PR-274-R4-MA Pressure Sensor 326058-755 A 2-pole sequencer controls twoThe MAMAC Systems PR 274 R4 MA is a high precision low pressure sensor designed for critical monitoring of clean dry air or inert gases in commercial and industrial HVACR environments. Built with a micro machined, glass on silicon capacitance sensor, this differential pressure transducer provides field technicians with exceptional stability and a 10 PSID overpressure rating to prevent zero shift during system surges. The unit features six field