Resideo AT140A1042 Transformer 318423-701 Field Adjustability: Front-slotted keys for

Field Adjustability: Front-slotted keys for pilot and bypass gas flows simplify tuning without requiring full disassembly

The Q3400A1024 uses a specific keyed plug connector

this 5-ton expansion valve is designed for modern high-pressure refrigerants typically found in ICP or Arcoaire 5

causing the coil to overheat

Optimized Compatibility: Verified for exact fitment on Emerson Alco 240RA12 series valves

Resideo AT140A1042 Transformer 318423-701 Field Adjustability: Front-slotted keys forThe Resideo AT140A1042 Transformer is a heavy duty 40VA power supply engineered for reliable performance in HVAC control circuits and zoning systems. This foot mounted transformer features a dual voltage primary (120V 240V) at 60Hz, providing a steady 24VAC output for powering thermostats, relays, and gas valves. The multi tap connection design simplifies installation across various line voltage configurations, ensuring the secondary output remains