Can I use a shorter insert if the 22-inch probe is unavailable

this is an R-22 specific valve

The Fenwal 12-G27121-000-07 is a high-precision rate-compensated heat detector engineered for demanding industrial and commercial fire protection systems

High Compatibility: Direct replacement for Nor East Controls V5013 series and related 2-1/2" to 3" globe valve bodies

Reznor 196824 Motor Els PW 29614 Can I use a shorterThe Reznor 196824 Motor is a precision engineered OEM replacement motor designed for high performance air delivery in Reznor gas fired unit heaters. This 1 4 HP fan motor operates at 115V single phase power with a synchronous speed of 1050 RPM, ensuring consistent static pressure and optimal combustion air across the heat exchanger. Built with a robust frame for industrial and commercial longevity, the RZ196824 is the direct specification match for