Tube Diaphragm Kit, Royal Series, Closet Dual Filter, 1.6 gpf

Sloan 3301122 Royal Series Diaphragm Kit, 1.6 GPF

The Sloan 3301122 is a diaphragm-style repair kit designed for Royal series flushometers operating at 1.6 gallons per flush. This kit includes all essential components needed to restore proper flushing function in standard Sloan manual flush valves. Engineered for durability and compatibility, it offers a straightforward solution for maintenance professionals servicing commercial fixtures.

Kit Components

• Diaphragm Assembly: Permex® synthetic rubber diaphragm for chloramine resistance
• Relief Valve and Guide Assembly: Precisely calibrated to maintain consistent flush volume
• Valve Cover and Coupling Components: Supports secure reassembly and system integrity

Performance Characteristics

• Flush Volume: 1.6 gallons per flush (6.0 liters)
• Application: Sloan Royal Series flushometers (manual models)
• Construction: Durable thermoplastic and rubber components for extended service life

Installation Guidance

This kit is intended for maintenance or rebuild of diaphragm-style flush valves in commercial restroom settings. Installation should be performed with the water supply shut off and requires basic plumbing hand tools. For optimal results, ensure all internal components are aligned per the manufacturer’s assembly diagram and verify sealing surfaces are clean and undamaged.

Use in the Field

The Sloan 3301122 diaphragm kit is a standard solution for restoring flow control in Royal flushometers operating at 1.6 GPF. It is commonly used in schools, healthcare facilities, and public restrooms where reliable fixture performance is critical. The parts included are built to match OEM standards, ensuring proper function upon reassembly.