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maintaining system efficiency and protecting the open-drive reciprocating compressor from contaminants
This model is the official replacement for S1-024-26056-000
Internal Sensing: Simplifies installation by eliminating the need for external control lines in standard setups
often accompanied by a "waiting for blower prover" or "air pressure switch open" fault code on the control board
York S1-028-12012-700 Sheave R-407A maintaining system efficiency and protectingThe York S1 028 12012 700 Sheave is a precision engineered OEM replacement pulley designed for high demand HVACR mechanical drive systems. Featuring a specific 1. 1875" bore (1 3 16 inch), this fixed pitch sheave is critical for maintaining the correct blower RPM and ensuring optimal static pressure within your air handler or rooftop unit. This single groove sheave (BK110 series) typically accommodates 4L, A, 5L, or B section V belts, providing the
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