What systems are compatible with this limit switch

Rugged Construction: Built with high-grade alloys to resist oxidation and carbon buildup in the combustion chamber

When a 193 Series unit shows signs of housing erosion or structural fatigue

Physical damage from failed blower wheels

Utilizing a genuine Lochinvar bearing assembly ensures exact tolerances for internal clearances

Reznor 209423 Kit 320074-702 What systems are compatible withThe Reznor 209423 Kit is a critical damper motor field replacement kit engineered for specific high efficiency Reznor unit heaters and make up air systems. This HVAC replacement part ensures precise modulation of combustion or outdoor air intake, maintaining optimal static pressure and heat exchanger performance. Designed to replace failing damper actuators in the field, the 209423 kit includes the necessary hardware to restore proper airflow control