Honeywell W7100C1018 Microprocessor Discharge Air Temperature Controller

The W7100C1018 is a Honeywell discharge air temperature controller, designed for HVAC systems with 2 stages of heating and 4 stages of cooling, operating on 20–30 VAC. It maintains average discharge air temperature in variable air volume (VAV) systems by modulating economizers and sequencing mechanical heating/cooling stages. 🔧 Key Details Manufacturer: Honeywell Model: W7100C1018 (part of the W7100 family) Type: Discharge air temperature controller Application: Variable Air Volume (VAV) cooling systems Electric makeup air systems Other HVAC systems requiring staged heating/cooling discharge air control Stages: 2 heating stages 4 cooling stages Setpoint Range: 40–90 °F Supply Voltage: 20–30 VAC, 50/60 Hz Output Type: Staged On/Off Dimensions: Approx. 8.6" L × 6.5" W × 3" D Weight: ~2.5 lbs Status: Discontinued (December 2023)