2-5/8" Tank Ball, Triple Seal

RPM Products B251 – 2-5/8" Triple Seal Toilet Tank Ball

The RPM B251 Triple Seal Tank Ball is engineered for dependable sealing performance in gravity-flush toilet systems. Its 2-5/8" diameter and universal fit design allow for compatibility with most standard flush valves, making it suitable for both maintenance and replacement work in a range of residential toilets.

Engineered Sealing Design

This tank ball features a triple-seal profile designed to improve contact with the valve seat and minimize water leakage between flush cycles. The configuration ensures consistent shutoff performance and helps prevent water waste due to improper sealing.

Product Specifications

• Model: B251
• Diameter: 2-5/8 inches
• Color: Black
• Material: Molded rubber construction
• Application: Gravity-fed toilet tanks

Installation Details

The B251 tank ball is intended for use with standard lift rod assemblies. It installs easily by threading onto the lift wire and seating into the flush valve outlet. No specialized tools are required, but alignment should be verified after installation to ensure proper sealing contact with the valve seat.

Features

• ✔ Triple Seal Configuration: Enhances sealing surface engagement to reduce water leakage
• ✔ Universal Fit: Compatible with a wide range of tank-style toilets using traditional ball assemblies
• ✔ Flexible Rubber Material: Provides durability and resistance to wear under constant water exposure
• ✔ Low-Maintenance Design: Simple replacement part for routine servicing of worn or failing tank balls

Professional Use Case

Recommended for plumbing service technicians performing toilet tank repairs or preventive maintenance. The triple-seal profile is particularly useful when dealing with flush valve seats that have minor imperfections or wear, improving overall reliability of the shutoff function.

Summary

The RPM Products B251 Triple Seal Tank Ball offers a durable, adaptable sealing solution for gravity toilet tanks. Its universal fit and improved seal geometry make it a reliable part for repair or retrofit applications across multiple toilet configurations.