Direct OEM Fit: Ensures correct shaft length and bolt patterns for Rheem and Ruud units

you can toggle between normally open and normally closed states based on your zoning system requirements

The McDonnell & Miller 344100 (Model SA66-35) is a high-precision upper tube assembly engineered for the maintenance and repair of Series 67 low water cut-offs

Simplified retrofit: The split-core iris snaps directly over insulated conductors

Can I use this for both 50Hz and 60Hz systems

York S1-025-22273-001 Limit Switch 323613-751 Direct OEM Fit: Ensures correctThe York S1 025 22273 001 Limit Switch is a critical OEM safety component designed for precise thermal management within HVAC furnace systems. This SPST (Single Pole Single Throw) fixed temperature control operates on an auto reset logic, ensuring the burner circuit opens when temperatures reach the 150F trip point and automatically closes once the system cools to 110F. Engineered for York, Coleman, and Luxaire gas furnaces, this high limit switch