the unit should be installed so that the centerline of the roller is 19 inches to 42 inches above the floor and has 7 inches to 9 inches of space from it to the toilet

The standard adult height WF2503-A-STD-F-TMA-LSD comes with a Foot Control for easy operation

5 Gpm Male Replacement Part

Length Less Shaft 4-3/8"

and the shelf features a 1-1/2 inch return for added rigidity

Fasco D0562 OEM Motor, 1/25 HP, 1400/1630 RPM, 115V Mount Type-Recessed Mounted the unit should be installedCross Reference: Century 562, 459A, JA2P107 Item: OEM Replacement Motor, HP: 1 25, Nameplate RPM: 1400 1630, Voltage: 115, Enclosure: Open, Rotation: CCWLE, Hz: 60, Phase: 1, Speeds: 1, Bearings: Sleeve, Shaft Number: 1, Shaft Length: 1. 5", Shaft Dia.: 0. 312", Thermal Cooling: Ambient.