Technical pros value the CWLE (Clockwise Lead End) rotation and the 1/2-inch diameter flat shaft for secure fan blade seating

and normally closed terminals as identified on the terminal panel to match your specific burner circuit or pump starter requirements

when used for PTAC motor replacement

Constructed with high-grade galvanized steel or aluminum alloy

up to 50% glycol solutions

Marvair 70571 Enthalpy Sensor 322838-752 Technical pros value the CWLEFor industrial HVAC efficiency, the Marvair 70571 Enthalpy Sensor is a critical component for managing economizer functions and indoor air quality. As a solid state C7400A2001 equivalent, this sensor measures the total heat contentboth sensible temperature and latent humidityto determine when outdoor air is suitable for free cooling. Integrating this economizer enthalpy control into your Marvair wall mount air conditioner or heat pump ensures the