Negative Pressure Compatibility: Specifically built with a counter-spring mechanism for negative pressure burners

Compatible with large capacity THR valve bodies for industrial cooling applications

Adjust the internal calibration spring until the SPST contacts actuate at the desired pressure differential

OEM Compatibility: Replaces EA36YD034 directly

York S1-026-23831-700 Blower Wheel 322056-301 Negative Pressure Compatibility: Specifically builtThe York S1 026 23831 700 Blower Wheel is a high performance centrifugal blower fan engineered for heavy duty commercial and industrial HVAC applications. Featuring a 12 inch diameter and a 15 inch width, this wheel is designed to move significant air volumes through large ducting systems while maintaining optimal static pressure. As a direct replacement for York 00874716, it ensures a seamless fit within existing air handler units and furnace blower