York S1-024-35799-000 Auxiliary Switch The York S1-025-31830-000 Limit Switch

The York S1-025-31830-000 Limit Switch is a critical safety component designed for precise thermal regulation in commercial and residential HVAC systems

The Weil McLain 560-742-865 Pilot Tubing is a critical OEM replacement part designed for precision fuel delivery in Weil McLain EGH series boilers

ensuring consistent fan-on and fan-off delays to optimize airflow temperature and system efficiency

Is the BASO K15DA-36 compatible with millivolt gas valves

providing the necessary leverage for precise air volume control

York S1-024-35799-000 Auxiliary Switch The York S1-025-31830-000 Limit SwitchThe York S1 024 35799 000 Auxiliary Switch is a critical HVAC contactor accessory designed for field installation in compatible 1 pole and 2 pole contactor assemblies. Featuring a dual contact configuration of 1 Normally Open (NO) and 1 Normally Closed (NC), this switch serves as a reliable interface for pilot duty signaling and control circuit interlocking. Often identified as 208T11 in technical cross references, it provides precise feedback on the