Oatey Company 42725 Male Backwater Device 2 Inch Lps

Product Description

The OATEY COMPANY 42725 is a 2-inch male LPS polypropylene backwater device designed to prevent flooding caused by drain backups in floor drain systems. The unit includes a polypropylene ball sealing ring that blocks reverse flow when drainage backs up, then allows normal flow to resume once conditions clear. Constructed entirely of polypropylene, this backwater device resists corrosion and chemical exposure common in residential and light commercial drain environments. It is installed by licensed plumbers during new construction or as a retrofit solution in existing drain assemblies.

This backwater device is intended for use with 1-piece floor drains or similar drain bodies that feature a 2-inch LPS female threaded throat. It is appropriate for residential basements, utility rooms, and light commercial spaces where floor drains are at risk of sewage or stormwater backup. The male LPS threaded connection allows direct engagement into the drain throat without additional adapters in compatible installations.

Key Features

• Prevents flooding by blocking reverse flow caused by drain system backups
• Polypropylene ball sealing ring provides a reliable, corrosion-resistant check mechanism
• Full polypropylene construction resists chemical and moisture degradation
• Male LPS thread design threads directly into 2-inch LPS female threaded drain throats
• Packaged individually in a header bag for easy point-of-sale or jobsite handling

Compatibility

Designed for use in 1-piece floor drains or similar drain bodies with a 2-inch LPS female threaded throat.

Installation Notes

Installation is performed by a licensed plumber in accordance with applicable local plumbing codes and the International Plumbing Code (IPC). Shut off or isolate the drain system and ensure the drain body is dry and clean before threading in the device. Hand-tighten first, then use appropriate pliers or a strap wrench to seat the male LPS threads fully without overtightening polypropylene fittings. Verify free movement of the ball sealing ring after installation to confirm the check mechanism operates correctly.

Technical Specifications

• Size: 2 inches
• Connection Type: Male LPS Thread
• Material: Polypropylene
• Sealing Ring Material: Polypropylene
• Weight: 1 pound
• Package Quantity: 6 per case
• Unit of Measure: EA

Standard Information

• Brand: OATEY COMPANY
• Manufacturer Part Number: 42725