Technicians should inspect for a clogged air filter

While the electrical specs are priority

its robust construction and included grommeted cover make it suitable for outdoor coil wall inlets and terminal box installations

automatically breaking the electrical circuit to heating elements if internal temperatures exceed the factory-set threshold

Modine 5H0630380004 Fan Blade Els PW 17895 Technicians should inspect for aThe Modine 5H0630380004 Fan Blade is a critical 16 inch aluminum component engineered for high performance airflow in industrial and commercial heating systems. As the direct replacement for 5H63038 4, this OEM part is specifically designed to restore the factory spec static pressure and cubic feet per minute (CFM) delivery of Modine unit heaters. Constructed from corrosion resistant aluminum, this fan blade minimizes rotational mass, reducing strain