Common Questions & Technical Support Can I use the 12A34 for outdoor installations

reducing startup delays and fuel accumulation

providing a stable 5:1 turndown ratio for consistent temperature control without the hysteresis common in motor-driven butterfly valves

This kit provides the necessary spring kit and orifices to complete the process per the manufacturer's technical instructions

York S1-025-35366-002 Wiring Harness 318518-761 Common Questions & Technical SupportThe York S1 025 35366 002 Wiring Harness is a critical OEM component engineered for precise electrical distribution and signal communication within York, Luxaire, and Coleman HVAC systems. Often identified as the P9 wiring harness, this assembly features high grade insulation designed to maintain structural integrity under high thermal stress conditions found inside furnace and air handler cabinets. As a direct York furnace replacement part, it