Marley Engineered Products 5813-0023-000 Thermostat Els PW 17895 distinguishing it from the aluminum

distinguishing it from the aluminum (3-20 PSI) or green (10-100 PSI) variants

What is the purpose of the external equalizer on this model

Is the S1-028-12424-700 a cogged or wrapped belt

or obstructed ductwork restricting airflow across the heat exchanger

Replacement is required when the pressure drop reaches 10 psi or annually to maintain system efficiency and protect downstream equipment

Marley Engineered Products 5813-0023-000 Thermostat Els PW 17895 distinguishing it from the aluminumFor field technicians and mechanical contractors, the Marley Engineered Products 5813 0023 000 Thermostat provides a high reliability solution for heavy duty thermal regulation. This 2 Pole Thermostat is specifically engineered to handle the inductive loads common in industrial HVAC machinery and commercial refrigeration. Designed with a 2 stage L120F configuration and a 22 inch capillary, this double pole thermostat ensures precise liquid or air