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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
F operating range
Suction line filtration requires a different internal construction to manage lower pressures and higher velocities
Direct 620858R Replacement: Corrects common system power issues by replacing failed 4021F and 620858R units (verify lead-to-spade conversion)
Engineered with a standard right-edge rib and versatile bracket mounting
Using a switch with a higher or lower rating than the 110-140°F specification can lead to dangerous operating conditions or nuisance tripping
York S1-025-30788-700 Flame Sensor F operating rangeThe York S1 025 30788 700 Flame Sensor is a critical OEM replacement component designed for precise flame rectification within residential and commercial furnace assemblies. As a direct replacement for the legacy 025 30788 000, this sensor operates by utilizing the ionized particles in the gas flame to conduct a microamp signal back to the integrated furnace control board. When the York furnace flame sensor detects a stable flame, it allows the gas