What is the difference between the 32001632-001 and the -001/U model

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

Is this valve body compatible with steam applications

Broad Compatibility: Fits Allied

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

Modine 5H0586210004 Fan Blade 30067439-890 What is the difference betweenWhen 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