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The York S1-2985-3181 Limit Switch is a critical OEM safety component designed for high-limit protection in residential and light commercial furnace applications
it maintains the exact electrical specifications required for York E1CH120A25A models and compatible light commercial equipment
Technicians should check for continuity across the terminals when the system is cool
Debris Management: Integrated 40-micron outlet pad captures solder particles and oxides to prevent TXV clogging
Exact OEM Compatibility: Specifically designed as the direct replacement diaphragm for MP909A actuators
Sporlan 450277-001 Drier The York S1-2985-3181 Limit SwitchThe Sporlan 450277 001 Drier is a high capacity 3 8" ODF liquid line drier designed for professional grade moisture and acid removal in various refrigeration and HVAC systems. As the direct updated replacement for the 033199 0539, this unit ensures seamless compatibility for technicians managing legacy equipment or performing routine maintenance. Built as a 053S Gold Label filter drier, it features a 5 cubic inch desiccant core that offers exceptional