Dual-Stage Regulation: Provides high-fire and low-fire settings for improved temperature modulation and fuel economy

Key Benefits Precise Pressure Calibration: Factory-set at -0

ensuring flexible wiring for both alarm indication and equipment shutdown

Verify with the equipment manufacturer if their board supports external 24V twinning signals before integrating

Resideo AT140B1214 Transformer R-407C Dual-Stage Regulation: Provides high-fire andThe Resideo AT140B1214 is a professional grade 40VA HVAC transformer engineered for multi tap versatility in light commercial and residential control circuits. As a veteran preferred 24V step down transformer, it features a multi voltage primary rated for 120V, 208V, and 240V AC inputs, ensuring compatibility with a wide range of cooling and heating equipment. This foot mounted transformer architecture includes 9 inch color coded lead wires for