Resideo TH1110D2009 Thermostat R-22 To maintain factory-calibrated set-point accuracy

To maintain factory-calibrated set-point accuracy

What is the difference between the A28AA-36 and the A28AA-36C

and 600V systems without external transformers

Industrial Durability: Constructed with heavy-gauge aluminum blades and a high-strength spider to resist vibration and fatigue

Resideo TH1110D2009 Thermostat R-22 To maintain factory-calibrated set-point accuracyUpgrade your single stage control with the Resideo TH1110D2009 T1 Pro Non Programmable Thermostat, the professional grade replacement for legacy Honeywell TH3110D1008 and 8403 057 models. Engineered specifically for 1 Heat 1 Cool conventional systems and single stage heat pumps without auxiliary heat, this unit features the standardized UWP mounting system. This allows for rapid equipment change outs and future proofs the installation, as the mounting