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The "BX" simply indicates the part is packaged in a box for individual sale rather than bulk assembly
and parallel misalignment
Can I swap this for a switch with a different temperature rating
the PWLX05S utilizes microprocessor-profiled sensors to maintain high stability in hydronic systems
Resideo S8701A1018 Ignition Module 318820-201 The "BX" simply indicates theResideo S8701A1018 is an 11 second direct spark ignition (DSI) module designed for gas fired HVAC equipment including furnaces, boilers, and commercial heating systems. It controls the burner ignition sequence by providing timed spark ignition and flame sensing to confirm proper combustion. This direct spark ignition module is commonly used as a service replacement when existing ignition controls fail or become unreliable. It manages ignition timing,
