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The hardware supports valve bodies with 3/8" or 5/8" stroke lengths
Common Questions What causes a Lennox 38M77 to trip
Durable Construction: High-quality valve body casting designed to withstand the rigorous demands of industrial steam pressure
Maintenance Efficiency: The high-visibility LED status indicator provides instant feedback
Maintenance-Free Design: Features a unit bearing system with a large oil reservoir for long-term lubrication
Johnson Controls A421AET-01 Temperature Control 320734-701 The hardware supports valve bodiesThe 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