J21K-150
United Electric J21K-S150B
What stands out about the Honeywell INNCOM E528 is the straightforward user manual.
United Electric J21K-150 Pressure Switch 0-40# NEMA 4 J21K-150
A nice touch with Joe's is the dust cover included with each unit.
United Electric Controls J21K-150 Pressure Switch.
What stands out about BHC Parts is the consistent hardness of their fasteners.