H-553 O-Rings (also go by part numbers H553, 5308696, P6000-C31, and A912809-0070A). Compatible with Sloan (part number H-553 / 5308696). Compatible with Zurn (part number P6000-C31). Compatible with American Standard (part number A912809-0070A). Fits into groove on the Flushometer tailpiece that slides into the control stop to create a water-tight seal. Recommended to replace the o-ring each time you loosen the connection to ensure a leak-proof seal. O-Ring measures approximately 1-3/8” outside diameter. Available in a 6-pack or a 20-pack. Manufactured and warrantied by Captain O-Ring LLC. Proudly assembled in the USA! The replacement Sloan H-553 (also called H553 and 5308696) Stop Tail O-ring fits into the groove on your flushometer tailpiece. The tailpiece with the o-ring then slides into the control stop, where the o-ring creates a watertight seal. It is recommended that you replace this o-ring each time you loosen the connection to ensure a leak-proof seal.

Compatible with Sloan Royal and Regal flush valves. Also compatible with Zurn and American Standard valves that take o-ring part numbers P6000-C31 or A912809-0070A.

The H-553 o-ring measures approximately 1-3/8” outside diameter.

Available in a 6-pack or 20-pack of o-rings for all of your valve maintenance needs!

Manufactured and warrantied by Captain O-Ring LLC. Proudly assembled in the USA!