this key is the direct replacement for standard Honeywell locking covers and is technically identical to the Honeywell 301572A/0767/U model number

though direct OEM replacement is recommended for balance

10" WC rating exactly to maintain equipment safety

Precision Airflow: Built-in adjustable range stops allow technicians to bleed bypass air easily

What are the primary power requirements for this control module

Supco SHL507 Limit Switch 318423-701 this key is the directThe Supco SHL507 Limit Switch is a professional grade thermal protection component engineered for board mounted applications in residential and commercial HVAC units. This SPST normally closed (NC) switch is designed to break the electrical circuit when temperatures reach the 140F fixed open setpoint, preventing heat exchanger damage or unsafe operating conditions. Once the temperature drops to the 110F fixed close temperature, the device utilizes an