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WATTS BV-1002 Backwater Valve, Stainless Steel, Slip, 1-7/8 in Dia, 2 in Ht - Drain Air Vents & Valves
WattsDrain Air Vents & Valves

WATTS BV-1002 Backwater Valve, Stainless Steel, Slip, 1-7/8 in Dia, 2 in Ht

The WATTS Backwater Valve (MPN BV-1002) is a drain air vent and valve product from WATTS. It features a black stainless steel construction with a slip connection type, a 1 7/8 in overall diameter, and a 2 in overall…

SKU 3G-OTH-426922

Also listed as: BV1002 · BV 1002

Brand
Watts
Item
BV-1002 Backwater Valve, Stainless Steel, Slip, 1-7/8 in Dia, 2 in Ht
Part Number
BV-1002
Category
Drain Air Vents & Valves
Available to Order
Also known as:BV-1002Watts
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Watts
Manufacturer Part Number
BV-1002
Type
Stainless Steel, Slip
Color
Black
Overall Ht
2 in
Overall Dia
1 7/8 in
Connection Type
Slip

Technical Documents

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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Backwater Valve (MPN BV-1002) is a drain air vent and valve product from WATTS. It features a black stainless steel construction with a slip connection type, a 1 7/8 in overall diameter, and a 2 in overall height.

Frequently Asked Questions

What is the WATTS Backwater Valve used for?

The WATTS Backwater Valve (BV-1002) prevents sewage backflow from entering a building during heavy rain or municipal system overloads. It is installed in drain lines to automatically close when reverse flow occurs, protecting basements and lower-level plumbing from flooding and contamination.

What are the specifications of the WATTS Backwater Valve BV-1002?

The WATTS Backwater Valve BV-1002 has a 1 7/8 in overall diameter and a 2 in overall height. It is made of stainless steel with a black finish and uses a slip connection type. The manufacturer part number is BV-1002, and it is designed for drain air vent and valve applications.

Where to buy the WATTS Backwater Valve worldwide?

You can source the WATTS Backwater Valve BV-1002 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this WATTS drain valve.

How to install a WATTS Backwater Valve?

Install the WATTS Backwater Valve in the main drain line below the lowest fixture, ensuring the flow arrow points away from the building. Use slip connections with appropriate PVC cement or rubber couplings. Test the valve flap for free movement and verify it closes fully under backflow conditions.

Used in

Common applications for Watts
Commercial plumbing – Watts standard capacity water pressure regulators (3/8 LF 26AB) for stabilizing incoming water pressure
Industrial steam systems – Watts 152A series steam pressure regulators for pressure reduction in process and heating lines
Cross-connection control – Watts 757 double check backflow preventers for commercial and industrial water supply protection
Boiler safety – Watts ASME Section XIII temperature and pressure relief valves for overpressure protection in heating systems
Hydronic heating – Watts CP16 pilot-operated pressure regulators for maintaining consistent pressure in steam or water loops
Water hammer mitigation – Watts LF15M2-A water hammer arrestors for absorbing surges in quick-closing valve applications
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Watts 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.

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Backwater valve for drainage systems, constructed of stainless steel with a black finish. Features a slip connection type, 2 7/8 in overall diameter, and 2 in overall height. Used to prevent sewage backflow in wastewater lines
Watts
Backwater valve for drainage systems, constructed of stainless steel with a black finish. Features a slip connection type, 2 7/8 in overall diameter, and 2 in overall height. Used to prevent sewage backflow in wastewater lines

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