this device automates free cooling by precisely modulating damper actuators based on real-time mixed air and enthalpy sensor data

the relay utilizes standard 1/4-inch quick-connect terminals

dry refrigerant environment

The Armstrong Fluid Technology 174036MF-113 (Model S-45 BF) is a high-performance cast iron circulator pump designed for reliable fluid handling in commercial and residential hydronic systems

verify that the integrated door switch engages correctly to maintain safety circuit continuity

Lennox 43W85 Blower Assembly 320734-701 this device automates free coolingThe Lennox 43W85 Blower Assembly (LB 94724M) is a critical OEM replacement combustion air blower designed for precision exhaust management in high efficiency gas furnaces. Engineered for the Lennox G60UH series and various residential HVAC units, this 1 30 HP draft inducer operates at 3000 RPM to facilitate the safe removal of flue gases while drawing in fresh combustion air. Featuring a shaded pole motor rated at 115V and 2 amps, this assembly