12-inch probe length allows the bimetal disc to sit squarely in the airflow path for faster response times

this Johnson Controls VG7000 series assembly delivers the professional-grade reliability required by mechanical contractors and facilities managers

This heat pump defrost board integrates seamlessly with existing wiring harnesses using standard 1/4-inch quick-connect terminals

making it a reliable service part for technicians managing multi-family or commercial hospitality HVAC assets

this unit is designed to manage multi-stage operations

Lochinvar & A.O. Smith 100208450 Valve 321142-301 12-inch probe length allows theThe Lochinvar & A. O. Smith 100208450 Valve is a critical safety component engineered for high performance residential and commercial HVAC systems. This heavy duty boiler pressure relief valve is factory set to a 75 PSI discharge threshold, providing essential protection against over pressurization in water heaters and hydronic heating loops. Featuring a 3 4" NPT inlet and a 1" NPT outlet, it ensures high capacity flow during emergency relief cycles