while the side ports are standard 1/4" SAE flare

Is this switch compatible with 24V or 120V systems

One of the primary advantages for field technicians is the versatile zip nut

the York S1-025-26392-704 serves as a direct OEM replacement limit switch for several residential and commercial configurations

Berko 4520-2048-000 Limit Switch while the side ports areThe Berko 4520 2048 000 is an OEM 135F CO Auto Limit Switch designed for high performance thermal regulation in Marley Engineered Products and QMark 900 Series B heating systems. This 2 pole limit switch operates with an automatic reset mechanism, functioning as a critical safety component that opens on temperature rise to prevent overheating. Engineered for HVACR technical specifications, it features a single pole single throw (SPST) switch action,