Patterson-Kelley 26-0000-0039 Sensor 321894-706 this is a remote annunciator

this is a remote annunciator panel

Optimized Compatibility: Purpose-built for use with Temp-Stat construction thermostats and 240VAC control wiring

if the steady light persists

the Trane MOD3099 is specific to the ReliaTel communication protocol

Broad Compatibility: Engineered for use with Carrier 50HJ

Patterson-Kelley 26-0000-0039 Sensor 321894-706 this is a remote annunciatorThe Patterson Kelley 26 0000 0039 Sensor is a precision engineered NTC thermistor designed for high accuracy thermal monitoring in commercial hydronic systems. This temperature thermistor sensor is a critical component for the ENVI boiler control platform, providing the real time data necessary for modulation and setpoint management. It is primarily utilized as a supply and return sensor for the P K MACH condensing boiler series (specifically models