Resideo AT140A1000 Transformer R-22 The Lennox 90H82 Electrode is

The Lennox 90H82 Electrode is a critical OEM replacement part designed specifically for Lennox gas furnaces and unit heaters

outperforming standard sleeve bearings in high-ambient outdoor environments

specifically covering many 601

simplifying HVAC duct sensor installation for field technicians

Features melting alloy technology for repeatable trip points and resistance to vibration-induced nuisance tripping

Resideo AT140A1000 Transformer R-22 The Lennox 90H82 Electrode isThe 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