Watts Backwater Valve: Backwater Valve, 2 7/8 in Overall Dia, 2 in Overall Ht
The WATTS Backwater Valve (MPN BV-1003) is a drain air vent and valve product with a black finish and slip connection type. It has a 2 7/8 in overall diameter and a 2 in overall height, constructed from stainless steel.
SKU 3G-OTH-426924
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Product Description
The WATTS Backwater Valve (MPN BV-1003) is a drain air vent and valve product with a black finish and slip connection type. It has a 2 7/8 in overall diameter and a 2 in overall height, constructed from stainless steel.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the WATTS Backwater Valve used for?
The WATTS Backwater Valve (BV-1003) prevents sewage backflow into buildings during municipal system overloads. It is installed in drainage lines to protect basements and lower-level plumbing from flooding. Common applications include residential, commercial, and industrial wastewater systems where backflow prevention is critical.
What are the specifications of the WATTS Backwater Valve BV-1003?
The WATTS Backwater Valve BV-1003 has a 2 7/8 in overall diameter and 2 in overall height. It features a slip connection type, a black finish, and is constructed from stainless steel. The manufacturer part number is BV-1003. It is designed for drain air vent and valve applications.
Where to buy the WATTS Backwater Valve worldwide?
3G Electric supplies the WATTS Backwater Valve BV-1003 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this product to any country.
How to install a WATTS Backwater Valve?
Install the WATTS Backwater Valve in the main drainage line below the lowest fixture, ensuring the flow arrow points downstream. Use slip connections with appropriate solvent cement for PVC pipe. Test the valve by simulating backflow to confirm the flap closes fully. Follow local plumbing codes for proper venting and access.
Used in
Common applications for WattsWatts Products
3G Electric supplies Watts drain air vents & valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.







