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Professional contractors and HVACR technicians requiring precise temperature management for resistive heating loads rely on the Schneider Electric Viconics R820-643
Features melting alloy technology for repeatable trip points and resistance to vibration-induced nuisance tripping
18-lb balanced construction minimizes bearing wear on condenser motors
The Lennox 90H82 Electrode is a critical OEM replacement part designed specifically for Lennox gas furnaces and unit heaters
Resideo AT140A1000 Transformer R-22 Professional contractors and HVACR techniciansThe Resideo AT140A1000 Transformer is a heavy duty 40 VA solution designed to provide reliable 24V power for residential and light commercial HVAC control systems. As a Class 2 step down transformer, it converts a 120V primary input to a 27V secondary (open circuit), ensuring stable operation for thermostats, gas valves, relays, and zone controllers. This unit is built for versatile field application, featuring multiple mounting configurations