allowing technicians to manually position the damper during commissioning or system troubleshooting without power

vibrating sounds during the startup cycle

The York S1-025-32694-000 Limit Switch is a critical OEM replacement part designed for high-temperature circuit interruption in residential and commercial HVAC systems

The York S1-031-01932-002 Control Board is the factory-authorized OEM direct replacement for legacy part numbers 031-01932-000 and 031-01932-001

Lochinvar & A.O. Smith 100110858 Harness 326058-758 allowing technicians to manually positionThe Lochinvar & A. O. Smith 100110858 Natural Gas Valve Harness is a critical electrical interface designed for high efficiency boiler and water heater systems. As a direct OEM replacement for part number 9006056215, this assembly ensures consistent communication between the appliance control board and the natural gas valve. For technicians troubleshooting ignition failures or intermittent "no heat" calls, this harness eliminates high resistance