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simply remove the jumper and connect the original wiring harness directly to the board
analog temperature controller engineered for commercial food service and light industrial thermal management
Technical FAQ Is the AL-190 compatible with 1/8" NPT fittings
Enhances safety by preventing refrigerant leakage through old
Engineered Precision: Maintains accurate stem alignment and stroke timing to prevent premature packing wear and hunting
Johnson Controls A421AET-01 Temperature Control 322838-752 simply remove the jumper andThe Johnson Controls A421AET 01 is a line voltage electronic temperature control designed for versatile HVACR applications, providing a reliable alternative to traditional electromechanical thermostats. Operating on 120 240 VAC, this SPDT controller features a broad setpoint range of 40 to 212F, making it ideal for both refrigeration and heating logic. Built with a NEMA 1 enclosure for surface mounting, the unit includes a high visibility front panel
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