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Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
For contractors managing large-scale Johnson Controls valve assemblies
fitting brands like Imperial
Broad Compatibility: Engineered for use with high-pressure refrigerants
110-203 is identical to SP9051B
Complete Installation Kit: Ships as a pump with hardware
Trane SWT0977 Pressure switch 318423-701 For contractors managing large-scale JohnsonThe Trane SWT0977 Pressure Switch is an essential OEM safety component designed for precise monitoring of combustion blower performance in negative pressure venting systems. This SPNO (Single Pole Normally Open) device, often cross referenced as Honeywell FS4171 1057 or C145526P01, is engineered to ensure the inducer motor is moving sufficient air before allowing the ignition sequence to proceed. Featuring a 1 4 compression connection and a calibrated
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