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

Is the air restrictor plate required

Broad Application: Suitable for a variety of non-corrosive gas services

Common causes include a clogged furnace filter

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

System Sensor D4120W Detector Freon Professionals rely on this WeilThe 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