With a 1/2" SAE flare connection and a 650 PSI maximum working pressure

leak-free connection and superior corrosion resistance in demanding commercial or residential environments

this spring is compatible with RV91 and 210E regulators used in Natural

always verify pump head pressure does not exceed the close-off rating for a 3

Continuous operation at high limits will eventually fatigue the internal bimetal disc

Modine 5H0586210004 Fan Blade 30067439-890 With a 1/2" SAE flareWhen you're servicing a unit heater and the blower has lost its balance or suffered blade deformation, a direct OEM replacement is the only way to restore factory spec airflow. The Modine 5H0586210004 Fan Blade is engineered precisely for Modine unit heaters, providing a high performance 4 blade configuration that maintains system static pressure. This 12 inch diameter component features a 20 degree pitch, which is critical for moving the correct CFM