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Its rugged construction and UL-listed design make it a reliable choice for field technicians prioritizing long-term system stability and performance over generic alternatives
Designed for durability and the high-pressure demands of commercial units
When diagnosing a cracked heat exchanger
Broad Compatibility: Rated for R404A/R507A refrigerants
Trane SWT3157 Pressure Switch 323269-701 Its rugged construction and UL-listedThe Trane SWT3157 Pressure Switch is an OEM grade low pressure switch designed specifically for R 410A and similar residential refrigeration and air conditioning systems. Engineered for precision monitoring, this SPST (Single Pole Single Throw) component provides a critical failsafe by opening the electrical circuit when suction line pressure drops below safe operational thresholds. This specific model features a factory calibrated 25 PSI open (break)
