Antunes Controls 8021204014 Pressure Switch Els PW 17895 The Marley Engineered Products 4520-0011-002

The Marley Engineered Products 4520-0011-002 is a high-performance linear limit protector designed for precision in demanding industrial and commercial heating applications

Automatic Reset Functionality: Closes the circuit once the unit cools to 140°F

The White-Rodgers 768A-845 is a high-performance silicon nitride ignitor designed as a direct OEM replacement for Trane and American Standard furnace systems

specifically designed to monitor discharge air or internal component temperatures

Antunes Controls 8021204014 Pressure Switch Els PW 17895 The Marley Engineered Products 4520-0011-002The Antunes Controls 8021204014 Pressure Switch is a high precision air differential pressure switch engineered for critical HVACR and energy management proving circuits. As a veteran grade SMD Series model, it features a versatile set point range of 0. 17 to 6. 0" W. C., making it an essential component for monitoring fan proving, filter status, and combustion air pressure. This unit utilizes a snap acting SPDT switch (Single Pole Double Throw)