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Watts Backwater Valve: Backwater Valve, 3 7/8 in Overall Dia, 2 in Overall Ht - Drain Air Vents & Valves
WattsDrain Air Vents & Valves

Watts Backwater Valve: Backwater Valve, 3 7/8 in Overall Dia, 2 in Overall Ht

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

Brand
Watts
Item
Backwater Valve: Backwater Valve, 3 7/8 in Overall Dia, 2 in Overall Ht
Category
Drain Air Vents & Valves
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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
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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
Industrial burner gas safety systems — Watts HF2000 filters with GF-series seal kits maintain clean, regulated gas supply to burner pilot and main flame controls
Commercial heating and boiler installations — Modular filter assemblies support preventive maintenance and component replacement without full system shutdown
Process gas delivery pipelines — DN25 through DN125 filter bodies accommodate varying flow rates and inlet pressures across manufacturing and chemical processes
Gas pressure regulation benches — Multi-stage Watts filter platforms integrate with pressure reducers and safety shutoff valves in test and calibration environments
Equipment retrofit and upgrade projects — Available connection sizes and seal kits enable adaptation of newer Watts components into legacy gas control systems
Planned maintenance and spare-parts inventory — Filter seal kits allow facilities to stock consumables in advance, reducing downtime during scheduled gas system servicing

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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