1-1/2" Non-Caulk Shower Drain Gasket

Oatey 42163 1-1/2" Non-Caulk Shower Drain Gasket
A rubber caulking/compression gasket used with Oatey no-caulk shower drain installations to seal the drain to 1-1/2" Schedule 40 DWV pipe where the correct replacement gasket is required.

Key Features

• Described as a caulking gasket for 1-1/2" Schedule 40 DWV
• Product type: Gasket
• Part of Oatey no-caulk shower drain accessory components used to help seal the drain body to a pre-formed shower base with washers (per manufacturer product family description)

Compatibility & Applications

• Intended for 1-1/2" Schedule 40 DWV no-caulk shower drain applications (the provided sources do not list specific drain series/models on the SupplyHouse product page).
• Must only be used where the manufacturer specifies this exact part number: 42163.

Installation & Operation Notes

• Installation should be performed by a qualified plumber/installer.
• Reference the shower drain and shower base installation instructions for the correct assembly order, sealing method, and tightening procedure.
• Manufacturer no-caulk drain guidance describes sealing to the shower base with washers and using a rubber pipe gasket/compression-style sealing approach as part of the no-caulk drain installation process.

Maintenance & Troubleshooting

• This gasket is commonly replaced when addressing leaks at the drain connection, when rebuilding a drain connection during a shower base replacement, or when adapting an existing drain connection to the correct pipe size.
• If leaks persist after replacement, follow the drain installation instructions to confirm correct washer/gasket placement and proper tightening, and verify the pipe size and drain components match the intended configuration.

User Reviews & Q&A Summary

• Review themes frequently describe it as exactly the correct part and a hard-to-find gasket locally.
• Multiple reviewers mention it worked perfectly for their repair, including situations where they needed to adapt/rebuild a shower drain connection for 1-1/2" pipe.
• Purchase experience themes commonly highlight quick delivery and saving time and money by replacing only the gasket instead of larger drain components.