U.S. Seal Shaft Seal [PS-3865] [5/8" Shaft] [Viton] (PS-3865R) pumps The Hayward inlet fitting is

The Hayward inlet fitting is designed for compatible pool return applications where a 3 inch hole-size fitting is needed along with the added convenience of an included locknut

or unreliable original transmitter

Designed for compatible Baker Hydro style skimmers

The grey finish is also useful for installations where visible trim consistency is a priority

more durable rebuild work

U.S. Seal Shaft Seal [PS-3865] [5/8" Shaft] [Viton] (PS-3865R) pumps The Hayward inlet fitting isThe U. S. Seal PS 3865 shaft seal is designed for compatible 5 8 inch shaft applications and uses Viton sealing material for buyers who need a more premium material choice in the rebuild. Viton seals are often selected when the application calls for a tougher sealing option than standard materials, especially in supported service environments where durability matters. This replacement is especially useful when the original shaft seal has failed, begun