Marley Engineered Products 4520-2018-003 Limit Switch By translating control signal changes

By translating control signal changes into mechanical force

it is recommended to inspect and reuse or replace existing silicone vacuum hoses to ensure no leaks

making it a versatile stock item for various job sites

this OEM York replacement part is engineered for specific trip curves and mounting footprints required by York air handlers and condensers to maintain system certification

SPST Configuration: Simplifies the electrical path for efficient Single Pole Single Throw logic

Marley Engineered Products 4520-2018-003 Limit Switch By translating control signal changesThe Marley Engineered Products 4520 2018 003 Limit Switch is a critical safety component engineered for forced air heating applications where precise thermal protection is non negotiable. This 180 degree F auto reset limit switch serves as a high limit safety cut out, functioning as a normally closed (NC) switch that opens the circuit if the plenum or heating element temperature exceeds the 180F threshold. As a genuine Marley OEM replacement part, it