The 26N refers to the specific configuration including the NEMA 1 enclosure

Direct Compatibility: Specifically engineered for the Johnson Controls T-4000 series pneumatic thermostats

Enhanced System Protection: Fast-acting single pole

The Reznor 14469 Blower Assembly and Wheel is a critical OEM replacement component designed for high-performance air delivery in industrial and commercial heating systems

and LB-91256A

Tecumseh K32-25 Valve Kit 322838-754 The 26N refers to theWhen you're out in the field and need a reliable field serviceable connection, the Tecumseh K32 25 Valve Kit is the industry standard for securing high side or suction lines. This Rotolock Valve Kit 3 4" ODF is specifically designed for HVACR refrigeration compressors and receivers, providing a 3 4 inch ODF sweat connection for seamless integration into your refrigerant piping. It eliminates the need for complex field fabricated joints by utilizing a