System Sensor D4S Detector Sensor 30067439-890 Industry Compliance: UL

Industry Compliance: UL

For liquid applications

Robertshaw 5500-200M infinite switch is designed for electric cooking equipment requiring dependable surface element temperature regulation and smooth variable heat control

00 inch water column switch is the precise technical match needed to restore safe furnace operation and maintain system uptime for your customers

and original Robertshaw 21432 series

System Sensor D4S Detector Sensor 30067439-890 Industry Compliance: ULThe System Sensor D4S is a 4 wire photoelectric duct smoke detector sensor component designed specifically for integration with the D4120 duct smoke detector housing. Engineered for high performance HVAC smoke detection, this replacement sensor head utilizes an advanced optical sensing chamber to detect combustion particles across a wide range of airflow speeds. It is optimized for low flow duct smoke detection, maintaining reliable operation in