Installing this high-voltage relay board restores logic-level communication between the thermostat and the mechanical components

Precise OEM Fit: Engineered for seamless integration with Rheem-Ruud high-efficiency furnaces

contractors ensure seamless compatibility and maintain the original equipment's design integrity during repairs or system upgrades

Key Benefits Enhanced Visibility: Oversized numerals on the Fahrenheit scale allow for easy reading from a distance

Johnson Controls SEN-600-4 Temperature Sensor Els PW 17895 Installing this high-voltage relay boardJohnson Controls SEN 600 4 Remote Indoor Temperature Sensor, Power Supplied by T600 or TEC2100 Thermostat, Override Button and Light Emitting Diode, Sensor Accuracy: 0. 9 Degrees from 32 to 158 Degrees, 0 to 95 % RH Noncondensing