High Compatibility: Frequently utilized as a direct Sporlan 040332-01 replacement in varied HVAC equipment

Professionals rely on this Weil McLain boiler part to perform routine visual inspections and adjust the air-to-fuel ratio

The 73K38 is a Direct Spark Ignitor (DSI)

Standardized Implementation: Features a fixed-orifice design for consistent performance without the need for manual primary air adjustments

The compact straight-through body pattern and 1/4" male quick-connect terminals allow for streamlined installation in tight cabinet spaces

System Sensor D4120W Detector Freon High Compatibility: Frequently utilized asThe System Sensor D4120W is a high performance 4 wire photoelectric duct smoke detector specifically engineered for harsh environments and outdoor rooftop HVAC installations. This air duct smoke detector features a NEMA 4 watertight enclosure, providing superior protection against windblown dust, rain, and splashing water. Utilizing integrated low flow technology, the unit operates efficiently in airflow speeds ranging from 100 to 4,000 feet per