Century AO Smith 730A Unit Heater Motor, 1/6 HP, PSC, 1140 RPM, 115, 208-230V, 48Y Frame Racks but you can use types

but you can use types that are 2-1/2 inches to 3-1/8 inches in depth by adding the Internal Towel Tray Adapter Kit (part number 5262-25)

Bowl Mount Ss 316

In the lower half of the Bobrick B-380349

Now HDWT-S0526-04

The unit measures 11 inches in width by only 1-1/4 inches in height and extends 4 inches from the mounting surface once installed

Century AO Smith 730A Unit Heater Motor, 1/6 HP, PSC, 1140 RPM, 115, 208-230V, 48Y Frame Racks but you can use typesFeatures: Extended thru bolts on shaft end, 60 degree C ambient, Split bushing and key for 5 8" shafts incl. Item: Unit Heater Motor, Motor Type: PSC, HP: 1 6, Nameplate RPM: 1140, Voltage: 115 208 230, Frame: 48Y, Enclosure: Totally Enclosed, Rotation: CW CCW, Hz: 60, Phase: 1, Speeds: 1, Bearings: Ball, Base: Resilient, Shaft Number: 1, Shaft Length: 5. 05", Shaft Height: 3", Shaft Dia.: 0. 5", Thermal Protection: Yes, Cooling: Air Over, Capacitor: