The additional benefit is the electrolytic activity of the ceramic media produces a chemical re-action that balances the pH of the water
The design features two countersunk mounting holes for attaching the unit to the wall
STEM -VALVE 2000 (SERV)
Wall Opening: 13 1/4" X 14" (335 X 355 mm)
Nidec US Motors U2P1DC 3-Phase C-Face Motor, 2 HP, 3-Phase, 3600 RPM, 208-230, 460V, 145TC Frame Nominal Size-42" x 1.25" The additional benefit is theFeatures: 40 degree C ambient, No derate on HP for 50 Hz Item: General Purpose AC Motor, Motor Type: 3 Phase, HP: 2, Nameplate RPM: 3600, Voltage: 208 230 460, Frame: 145TC, Enclosure: Totally Enclosed, Rotation: CW CCW, Hz: 50, 60, Phase: 3, Speeds: 1, Service Factor: 1. 25, Insulation Class: F, Mounting: Steel Edge, Bearings: Ball, Base: Rigid, Shaft Type: Key, Shaft Number: 1, Shaft Length: 2. 31", Shaft Height: 3. 5", Shaft Dia.: 0. 875", "C" Dim: