This assembly kit is designed as a direct replacement for the diaphragm inside Sloan Regal flushometers, specifically serving models that require a 3.5 gallons per flush (GPF) operation. The key component is a natural rubber diaphragm, which provides reliable flexibility and long-lasting resilience against repeated water pressure cycles. Incorporated into the assembly is a brass bypass that helps regulate water flow and ensures consistent flush performance over time. The kit includes all necessary OEM parts, making it suitable for restoring the original function of the valve without aftermarket modifications.

The natural rubber material offers good sealing properties and maintains its shape under typical bathroom usage conditions. It is resistant to the common wear that occurs from mineral deposits and continuous exposure to water, though periodic inspection is recommended for optimal performance. The brass bypass component adds structural durability and helps maintain precise water delivery, which is critical for achieving the designated 3.5 GPF flush volume. This flush rate is standard for many commercial and high-traffic restroom fixtures, balancing water conservation with effective waste removal.

Installation of this diaphragm assembly is straightforward for those familiar with flushometer maintenance, as it fits directly into the valve body of compatible Regal models. The kit does not require special tools beyond basic plumbing equipment, and the parts are pre-assembled for ease of handling. Users should verify compatibility with their specific flushometer model before proceeding. The construction focuses on durability, with the diaphragm designed to withstand hundreds of thousands of actuations under normal water conditions.

This assembly kit is intended for maintenance professionals, facility managers, or homeowners who need to restore the original performance of a Sloan Regal flushometer. It is an OEM product, meaning it matches the specifications of the original factory part, reducing the risk of leaks or inconsistent flushes. The affordable price point makes it a cost-effective solution compared to replacing the entire flushometer unit. With proper installation, this kit can extend the service life of the existing plumbing fixture and maintain reliable flushing performance in restroom environments.

Performance testing shows that the diaphragm maintains a tight seal when the valve is closed, preventing water waste. The brass bypass helps stabilize the refill rate, which contributes to quieter operation and reduced water hammer effects. The natural rubber composition remains flexible across a range of water temperatures common in indoor plumbing. Regular replacement of this diaphragm assembly is part of standard preventive maintenance for Sloan Regal flushometers, helping to avoid sudden failures and ensuring consistent restroom functionality.