Multi-Refrigerant Compatibility: Optimized for R22

Common Questions Is the rotation of this blade reversible

This 2-wire hard start is compatible with 120V to 288V systems

The "Pop-Top" mounting mechanism is a significant advantage for contractors

Is the gasket required for installation

Lochinvar & A.O. Smith 100111100 Kit 320720-756 Multi-Refrigerant Compatibility: Optimized for R22The Lochinvar & A. O. Smith 100111100 Kit is a critical 3" Concentric Vent Kit engineered for high efficiency appliance installations. Designed for use with Lochinvar Knight boilers and A. O. Smith Vertex water heaters, this direct vent termination simplifies the management of intake and exhaust through a single sidewall penetration. Utilizing ULC S636 compliant materials, this kit ensures professional grade durability in demanding HVACR environments.