Common Questions Is the rotation of this blade reversible

and OE/OEA burners

092-inch male pins for a secure electrical interface

The integrated spring return actuator provides a critical fail-safe position

Multi-Refrigerant Compatibility: Optimized for R22

Lochinvar & A.O. Smith 100111100 Kit 320720-756 Common Questions Is the rotationThe 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.