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

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

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

Broad Compatibility: Fits Allied

ensuring it meets strict safety codes for potable water systems

Modine 5H0586210004 Fan Blade 30067439-890 this spring is compatible withWhen 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