Isolated Spring Chamber: Diaphragm design prevents media from reaching the spring

As a genuine HVAC fastener

If the contacts fail to open at the calibrated pick-up voltage

This model is housed in a NEMA 1 enclosure intended for indoor use

offering identical performance specifications and dimensions

Markel 52290008 Motor 320720-756 Isolated Spring Chamber: Diaphragm designThe Markel 52290008 motor is a purpose built 480V single phase motor engineered specifically for high demand fan forced unit heaters and industrial blower applications. Delivering 0. 12 HP at a reliable 1590 RPM, this motor provides the precise torque and airflow requirements necessary for heavy duty HVAC systems. As a genuine replacement for Fostoria and TPI unit heaters, it ensures seamless integration with original equipment manufacturer (OEM)