Colour: White Power Source: Battery, Hardwired Terminal Designation: R, RC, C, W, O/B, W2-AUX, E, Y, Y2, G, L/A, K, S, S Application: Gas, Oil, Electric Warm Air, Hot Water Coil, Gas, Oil, Electric Hydronic, Steam/Gravity System and 24 VAC System Applications Stages: 4-Conventional, 5-Heat Pumps Changeover: Auto, Manual

Application: For residential, light commercial applications

Stages: 3 Heat, 2 Cool Heat Pump + Dual Fuel, 2 Heat, 2 Cool Colour: White Content: Thermostat, UWP Mounting System, Cover Plate, Mounting Hardware and Literature Power Source: Battery, Hardwired Terminal Designation: RC, R, C, W, W2 to AUX, Y, Y2, O/B, G, K, E, L/A, S, S

Power Source: Battery, Hardwired Changeover: Auto or Manual Used For: Works standalone or with optional THM5421R1021 Equipment Interface Module and RedLINK™ accessories Application: Up to 3 Heat/2 Cool Heat Pumps Stages: Up to 3 Heat / 2 Cool Heat Pump or Up to 2 Heat / 2 Cool Conventional when used standalone; Up to 4 Heat / 2 Cool Heat Pump or Up to 3 Heat / 2 Cool Conventional when used with the Equipment Interface Module. Colour: Arctic White Application: Up to 2 Heat/2 Cool Conventional Systems Terminal Designation: R, RC, C, W-O/B, W2-AUX/E, Y, Y2, G, A-L/A, K, S1 S1

Colour: White Power Source: Battery, Hardwired Changeover: Auto or Manual Terminal Designation: R, RC, C, W, O/B, W2-AUX, E, Y, Y2, G, L/A, K, S, S Stages: Up to 2 Heat/1 Cool Heat Pumps; Up to 1 Heat/1 Cool Conventional Systems Application: Standard Efficient Gas Forced Air, High Efficacy Gas Forced Air, Oil Forced Air, Electric Forced Air, Hot water Fan Coil, Geothermal Heat Pump, Air to Air Heat

Colour: White Changeover: Auto or Manual Application: Up to 3 Heat/2 Cool Heat Pumps Application: Up to 2 Heat/2 Cool Conventional Systems Used For: THP9045 Wire Saver Terminal Designation: R, RC, C, W (O/B), W2 (AUX/E), Y, Y2, G, L, K Sensing Elements: Remote Stages: Up to 3 Heat/2 Cool Heat Pump; Up to 2 Heat/2 Cool Conventional

Colour: White Changeover: Auto or Manual Application: Gas, Oil, Electric Warm Air Application: Hot water Coil Stages: Up to 2 Heat/1 Cool Heat Pumps; Up to 2 Heat/2 Cool Conventional Systems Application: 24 Vac systems Application: Gas, Oil, Electric Hydronic Application: or Steam / Gravity Systems

Colour: White Power Source: Battery, Hardwired Application: For 1H/1C heat pump and gas, oil, electric systems Stages: 1 Heat/1 Cool Changeover: Manual

Changeover: Auto or Manual Application: Gas, Oil, Electric Warm Air Application: Hot water Coil Application: 24 Vac systems Application: Gas, Oil, Electric Hydronic Application: or Steam / Gravity Systems Stages: Up to 3 Heat/2 Cool Heat Pumps; Up to 2 Heat/2 Cool Conventional Systems