White Rodgers F145 1378 Outdoor Sensor This genuine HVAC OEM replacement This genuine HVAC OEM replacement part is critical for regulating the manifold pressure and gas flow rate across the burner assembly this HVAC replacement capacitor is a reliable service part for maintaining optimal motor torque and system efficiency during extreme operating temperatures ranging from 40°C to +70°C Key Benefits for Technicians Enhanced Compatibility: Fully compatible with Emerson thermostat outdoor sensors and White Rodgers 90 Series Staging models which allows the interior mounting base to remain protected within the building envelope while the probe provides a sensing range from 40°F to 140°F