The minimum recessed depth required for the unit is 3-3/4 inches

which are crafted from type-304

Bradley S67-235Bs Mixer Assy Brass Replacement Part

Eyewash-Stl

Century AO Smith C335 Cap Start C-Face Motor, 1/2 HP, 1725 RPM, 115, 208-230V, 56C Frame, Replaced w/ Century C335ES Shower Curtain Rods The minimum recessed depth requiredFeatures: 40 degree C ambient REPLACED AS CENTURY UC335ES Item: General Purpose AC Motor, Motor Type: Capacitor Start, HP: 1 2, Nameplate RPM: 1725, Voltage: 115 208 230, Frame: 56C, Enclosure: Drip Proof, Rotation: CW CCW, Hz: 60, Phase: 1, Speeds: 1, Service Factor: 1. 25, Bearings: Ball, Base: Rigid, Shaft Type: Key, Shaft Number: 1, Shaft Length: 2. 06", Shaft Height: 3. 5", Shaft Dia.: 0. 625", "C" Dim: 11. 1, Protection: none, Thermal