SKU: 12908441505
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The Marley Engineered Products 4520-0011-002 is a high-performance linear limit protector designed for precision in demanding industrial and commercial heating applications
Dual-Section Logic: Dedicated 70 MFD for the compressor (Herm) and 7
Automatic Reset Functionality: Closes the circuit once the unit cools to 140°F
Simple Field Installation: Includes the necessary mounting hardware and control knob for rapid deployment in the field
2k Ohm NTC thermistor for tight control of outdoor air intake and economizer cycles
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)
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