Key Benefits Precise 185°F Trip Point: Calibrated to provide an immediate safety cutout at 185 degrees Fahrenheit to protect the heat exchanger from thermal stress

reducing vibration and mechanical wear on the motor bearings

the switch automatically closes the circuit

Two-Way Configuration: Ideal for two-position hydronic control

Designed to handle R134A and R12 refrigerant systems

Resideo T4398B1029 Thermostat Key Benefits Precise 185°F TripThe Resideo T4398B1029 is a heavy duty high performance electric heat thermostat engineered for precise control of electric baseboard heaters, convectors, and 1 stage fan forced systems. This line voltage thermostat features a vapor filled dual diaphragm sensing element that ensures high sensitivity to temperature shifts, maintaining a tight 2 degree differential for consistent load management. Designed with a DPST switch configuration and a positive