As a high-reliability switching component

Is the E5-I-2 compatible with older I-2 ignition systems

The standard NEMA 1 enclosure is designed for general purpose indoor use

For contractors performing a mid-season teardown or troubleshooting a "no-heat" call

Key Technical Benefits Precise Thermal Calibration: Calibrated for a 140°F trip point with a 25°F reset differential to maintain tight safety tolerances

Resideo C7189R1004 Sensor 319852-301 As a high-reliability switching componentThe Resideo C7189R1004 Wireless Indoor Air Sensor is a critical component for contractors looking to optimize environmental control via RedLINK wireless technology. Designed for seamless integration with Prestige IAQ, Prestige 2. 0, and VisionPRO with RedLINK thermostats, this sensor allows for precise remote temperature and humidity monitoring. By deploying multiple sensors, technicians can configure the system to average indoor temperatures across