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Watts BV-1004 Backwater Valve - Drain Air Vents & Valves
WattsDrain Air Vents & Valves

Watts BV-1004 Backwater Valve

The WATTS Backwater Valve (MPN BV-1004) is a drain air vent and valve product with a black finish and slip connection type. It has an overall diameter of 3 7/8 inches and an overall height of 2 inches, constructed…

SKU 3G-OTH-426925

Also listed as: BV1004 · BV 1004

Brand
Watts
Item
BV-1004 Backwater Valve
Part Number
BV-1004
Category
Drain Air Vents & Valves
Available to Order
Also known as:BV-1004Watts
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Watts
Manufacturer Part Number
BV-1004
Type
Stainless Steel, Slip
Color
Black
Overall Ht
2 in
Overall Dia
3 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-1004) is a drain air vent and valve product with a black finish and slip connection type. It has an overall diameter of 3 7/8 inches and an overall height of 2 inches, 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-1004) 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 required.

What are the specifications of the WATTS Backwater Valve BV-1004?

The WATTS Backwater Valve BV-1004 has a 3 7/8 in overall diameter and 2 in overall height. It is made of stainless steel with a black finish and features a slip connection type. The manufacturer part number is BV-1004. This valve is designed for drain air vent and backflow prevention applications.

Where to buy the WATTS Backwater Valve worldwide?

3G Electric supplies the WATTS Backwater Valve BV-1004 to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact our team to place an order or request a quote for international shipping.

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 away from the building. Use slip connections with appropriate solvent cement for PVC pipe. Test the valve flap for free movement after installation. Always follow local plumbing codes and consult a licensed professional.

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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