Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
Watts BV-1003 Backwater Valve - Drain Air Vents & Valves
WattsDrain Air Vents & Valves

Watts BV-1003 Backwater Valve

<p>The Watts BV-1003 Backwater Valve is a compact, stainless steel valve designed to prevent backflow in drainage systems. With a slip connection type, it measures 2 7/8 inches in overall diameter and 2 inches in…

SKU 3G-OTH-426924

Also listed as: BV1003 · BV 1003

Brand
Watts
Item
BV-1003 Backwater Valve
Part Number
BV-1003
Category
Drain Air Vents & Valves
Available to Order
Also known as:BV-1003Watts
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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-1003
Type
Stainless Steel, Slip
Color
Black
Overall Ht
2 in
Overall Dia
2 7/8 in
Connection Type
Slip

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

<p>The Watts BV-1003 Backwater Valve is a compact, stainless steel valve designed to prevent backflow in drainage systems. With a slip connection type, it measures 2 7/8 inches in overall diameter and 2 inches in height, making it suitable for tight installations. Its black finish adds durability and a professional look.</p><p>This valve is commonly used in commercial and industrial plumbing applications where backwater prevention is critical. For Singapore buyers, 3G Electric offers SGD quotes on request, handles GST for local purchases, and provides fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What are the dimensions and connection type of the Watts BV-1003?

The Watts BV-1003 has an overall diameter of 2 7/8 inches and an overall height of 2 inches. It features a slip connection type, making it easy to install in standard pipe systems.

Can I get a quote in SGD and what about GST for Singapore orders?

Yes, 3G Electric provides SGD quotes on request. For buyers in Singapore, GST is handled for local purchases, and we offer fast delivery across Singapore and Southeast Asia.

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
Not sure this is the right part? Photo-identify it

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

More from Watts

View all Watts parts

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first