including 621958

OEM Compatibility: Exact York S1-401610 specifications ensure a perfect fit for Source 1 and Johnson Controls units without modification

2 series features a maintenance-free design with a stainless steel shaft and permanently lubricated bearings

sizing this valve to at least 25% above the maximum operating pressure is recommended to prevent premature discharge and ensure system integrity

Engineered for heavy-duty furnace and air handler applications

Advanced Distributor Products 76716400 Limit Switch 320734-701 including 621958The Advanced Distributor Products 76716400 Limit Switch is a critical safety component designed for precision temperature monitoring within high performance HVAC systems. As an authentic ADP OEM replacement part, this electromechanical device serves as a primary safeguard, preventing internal overheating by monitoring the supply plenum's thermal conditions. When temperatures exceed factory set safety thresholds, the 76716400 high limit switch