the 400R utilizes a non-cycling design

specifically when integrated into standing pilot assemblies or intermittent pilot ignition systems

this replacement draft inducer motor operates at 115Vac with a high-speed 3400 RPM output

Durable Construction: Built to withstand commercial-grade operational cycles and mechanical wear

Greenheck SP-A390-QD Ceiling Exhaust Fan 322027-701 the 400R utilizes a non-cyclingThe Greenheck SP A390 QD is a professional grade ceiling exhaust fan engineered for high performance air evacuation in commercial and multi family residential environments. This direct drive unit delivers a versatile airflow range of 279 to 410 CFM, making it a reliable solution for maintaining air quality in large restrooms and clean air applications. Constructed with a galvanized steel housing and lined with acoustic insulation, the SP A390 QD is