Resideo - Honeywell Home T4398A1021 Electric Heat Thermostat

This electric heat thermostat from Resideo - Honeywell Home T4398A1021 delivers reliable temperature control for electric baseboard, convector, and fan-forced heaters. It is a non-programmable, 1-heat model that prioritizes straightforward operation and dependable comfort.

Designed for durability and accurate sensing, the thermostat uses a vapor-filled dual-diaphragm sensor and includes a long-lasting micro switch, thermometer, range stop, and locking cover screw. It supports a wide range of electrical systems with a 120/208/240/277 VAC input at 60 Hz and ratings up to 22 A (277 V: 19 A) for non-inductive resistive loads. The rectangular vertical cover in Premier White ensures a clean, modern look that suits any electric baseboard, convector, or fan-forced heater installation. UL and CSA listings provide trusted safety and compatibility for both US and Canadian applications.

• Non-programmable, single-heat thermostat for simple control
• Voltage: 120/208/240/277 VAC at 60 Hz; current: 22 A (120/208/240 V), 19 A (277 V)
• SPST switch design for reliable on/off operation
• Rectangular vertical cover in Premier White for a clean install
• Vapor-filled dual-diaphragm sensor for precise temperature readings
• Ambient operating range: 50–80°F
• UL and CSA approved for US and Canada
• Includes thermometer, range stop, and locking cover screw