OEM Compatibility: Authentic York S1-025-31978-000 ensures exact fitment and electrical alignment with existing control boards

This OEM Trane replacement part supports line-voltage applications up to 120/240 VAC with a 15A resistive rating

Designed for rigorous industrial environments

How do I set the fan operation for electric heat

Spence E2-2 Valve R-410A OEM Compatibility: Authentic York S1-025-31978-000The Spence E2 2 is a heavy duty 2 inch cast iron main valve engineered for precision fluid and steam pressure regulation. As a pilot operated normally closed valve, the E2 series is the industry standard for contractors managing large scale district heating or industrial steam plants. This Spence E2 Main Valve CI features a single seat design and packless construction to reduce friction and eliminate the need for traditional stuffing box maintenance.