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It accurately monitors the microamp signal produced by the burner's ionized gas
this OEM-spec valve eliminates compatibility issues associated with generic alternatives
eliminating the calibration risks of universal "will-fit" switches
and ensuring the reliability of the compressor
the switch utilizes a high-integrity silicone diaphragm capable of handling air and combustion by-products that are non-corrosive to silicone
Trane SWT1987 Switch 30067439-890 It accurately monitors the microampFor high reliability operations, the Trane SWT1987 Switch is a critical mechanical interlock switch designed to prevent the simultaneous engagement of multiple power sources or contactors. This HVAC safety switch is engineered for heavy duty applications, specifically compatible with NEMA Size 4 contactors and starters. Built with a NEMA 4 enclosure, this unit provides superior protection against dust and moisture, making it an essential component for