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The SLOAN 3400313 is a sensor-operated water closet flushometer from the CX product line, designed for wall-mounted installation on commercial toilet fixtures. It delivers a single flush at 1.28 gallons per flush (GPF), meeting current low-consumption flush standards for water closet applications. The unit includes an integrated filter and operates on battery power with a hardwired option available, giving installers flexibility in retrofit or new-construction scenarios. The polished brass (PB) finish suits upscale restroom environments where appearance matters alongside function. Licensed plumbers and commercial plumbing contractors are the primary installers for this type of flushometer.
The 3400313 is intended for commercial and institutional restroom applications where hands-free, sensor-activated flushing is required. It is wall-mounted, making it suitable for carrier-frame or in-wall rough-in systems commonly found in office buildings, healthcare facilities, schools, and high-traffic public restrooms. The 1.28 GPF flow rate aligns with WaterSense-class water closet consumption targets. The CX line cross-references as model CX 8158-1.28-PB. This flushometer is manufactured in the United States.
Designed for wall-mounted water closet flushometer applications. Cross-reference model: CX 8158-1.28-PB. Consult SLOAN rough-in specifications to confirm carrier and supply stop compatibility before installation.
Installation should be performed by a licensed plumber in accordance with local plumbing codes and the International Plumbing Code (IPC). Shut off the water supply and relieve line pressure before removing any existing flushometer or making new connections. When selecting battery versus hardwired power, verify that rough-in conduit or battery compartment access is confirmed before finalizing the wall assembly. Do not overtighten supply stop connections; follow the manufacturer installation sheet for proper fitting procedures.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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