✅ 29" (74cm)
Provide framed rough wall opening 16" wide x 54-3/4" high (405 x 1390mm)
in which case the B-7128 115V is the right choice
✅ To avoid potential injury
The 8120-001300 (satin) is the standard choice for dry commercial restrooms
Zurn 1 gpm Urinal Manual Flush Valve, 11-1/2" Rough-In - Z6 Capacity-Two Standard Rolls ✅ 29" (74cm)Manual Flush Valve, Fixture Type Urinal, Gallons per Flush 1, Inlet Size 1", Spud Coupling 1 1 2", Rough In 11 1 2", Valve Design Diaphragm, Connection Location Top, Pressure Range 25 to 80 psi, Finish Chrome Plated, Handle Type Lever, Includes Control Stop Has Internal Siphon Guard Protection, Vandal Resistant Cap, Sweat Solder Kit, Wall Flange, Standards MIL. V. 29193, Federal Spec WWP541ASME A112. 18. 1 , CSA B 125. 1, A112. 19. 5, A 112. 19. 2,