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 0881399 Air Gap for Series 009 Backflow Preventer, 1/2 in Female NPT - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts 0881399 Air Gap for Series 009 Backflow Preventer, 1/2 in Female NPT

The WATTS Air Gap (SKU 0881399, MPN 0881399) is a repair part for Watts backflow preventers, specifically a 1/2-inch female NPT air gap compatible with Series 009 and model 009-909-AG-A. This component is designed…

SKU 3G-OTH-436835

Brand
Watts
Item
0881399 Air Gap for Series 009 Backflow Preventer, 1/2 in Female NPT
Part Number
0881399
Category
Repair Kits & Parts for Watts Backflow Preventers
Available to Order
Also known as:0881399Watts
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
0881399
Type
009-909-AG-A, 1/2 in Connection Size - Side 1, Repair Part, Female, NPT
Compatible with Series
009
Compatible with Mfr. Model No.
009-909-AG-A

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

The WATTS Air Gap (SKU 0881399, MPN 0881399) is a repair part for Watts backflow preventers, specifically a 1/2-inch female NPT air gap compatible with Series 009 and model 009-909-AG-A. This component is designed for use in repair kits and parts for Watts backflow preventers.

Frequently Asked Questions

What is the Watts Air Gap 0881399 used for?

The Watts Air Gap 0881399 is a repair part for Watts backflow preventers, specifically the Series 009 and model 009-909-AG-A. It provides a physical air gap to prevent backflow contamination in potable water systems, commonly used in commercial and industrial plumbing applications.

What are the specifications of the Watts Air Gap 0881399?

The Watts Air Gap 0881399 has a 1/2-inch female NPT connection size on side 1. It is compatible with Watts Series 009 backflow preventers and model 009-909-AG-A. The manufacturer part number is 0881399, and it is designed as a repair part for backflow prevention systems.

Where to buy the Watts Air Gap 0881399 worldwide?

You can source the Watts Air Gap 0881399 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this repair part for Watts backflow preventers.

How to install the Watts Air Gap 0881399?

To install the Watts Air Gap 0881399, first depressurize the backflow preventer and drain the system. Remove the existing air gap assembly and replace it with the new 1/2-inch female NPT component. Ensure proper sealing with thread tape and test for leaks per local plumbing codes.

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 repair kits & parts for watts backflow preventers. 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

Cross-referenced by specification & description
Brass pump head designed as a replacement or accessory part for fluid-handling systems. Compatible with manufacturer model number XWA-M8G35 and part number 3XU56A. Suitable for maintenance and repair applications in industrial plant operations
This complete pump head is constructed of brass. It is designed as a replacement component for compatible pump models, specifically model number XWA-M8G29. Suitable for use in pressure washers and other fluid transfer applications
This brass pump head is designed for use in industrial fluid-handling systems. It is suitable for water circulation, chemical transfer, and general pumping applications requiring corrosion resistance. Consult the product datasheet for detailed technical specifications
Stainless steel valve compatible with manufacturer model XW-M26.20. Used as a replacement or accessory in fluid or gas handling systems requiring corrosion resistance
This brass pump head is designed for fluid transfer in industrial water, HVAC, and light chemical applications. It serves as a replacement or upgrade component in compatible pump assemblies, ensuring reliable flow regulation and pressure handling in plant maintenance and process systems
This brass bolt kit is designed for use in assembling or repairing industrial equipment. It is compatible with manufacturer model number AR20890 and part number 3XU75, making it suitable for maintenance tasks in machining, material handling, and other industrial departments

More from Watts

View all Watts parts
Repair kit for Watts Series 909 backflow preventers, compatible with valve sizes 1-1/4 in to 2 in. Includes cover O-ring. For use with models 818DD1, 818DD7, 818DE2, and LF909M1
Watts
Repair kit for Watts Series 909 backflow preventers, compatible with valve sizes 1-1/4 in to 2 in. Includes cover O-ring. For use with models 818DD1, 818DD7, 818DE2, and LF909M1
Watts
Watts
This repair kit is designed for use with Watts SS009 series backflow preventers. It includes a check assembly for servicing the second check valve. Compatible with 1-inch valve sizes, the kit is identified by manufacturer part number RK SS009-CK2 1 and type 793HG5
Repair kit for Watts 709 and RK-LF709 series backflow preventers. Includes cover O-ring. Compatible with 4-inch valve size. Used for replacing first or second check assembly in commercial and industrial water systems
Watts
Repair kit for Watts 709 and RK-LF709 series backflow preventers. Includes cover O-ring. Compatible with 4-inch valve size. Used for replacing first or second check assembly in commercial and industrial water systems
Watts
Watts
Repair kit for Watts backflow preventers, includes cover O-ring and relief valve spring. Compatible with valve sizes 1/4 in to 1/2 in and with Watts Series RK-LF009 and model LF009. Used to restore relief valve function in backflow prevention assemblies
Watts
Watts
Repair kit for Watts 007 series backflow preventers. Includes cover O-ring. Compatible with 1/2 in valve size and model 007. Used to replace first or second check assembly in potable water systems
Repair kit for Watts backflow preventers, compatible with Series RK-774 and Model 774. Includes a cam check with a check O-ring. Fits valve sizes 2-1/2 in to 4 in. Used to replace worn internal components in backflow prevention assemblies
Watts
Repair kit for Watts backflow preventers, compatible with Series RK-774 and Model 774. Includes a cam check with a check O-ring. Fits valve sizes 2-1/2 in to 4 in. Used to replace worn internal components in backflow prevention assemblies
Repair kit for Watts 919 series backflow preventers. Includes a relief valve stem O-ring. Compatible with 1-inch valve sizes and model 919. Used to replace worn rubber parts in backflow preventers for maintaining proper sealing
Watts
Repair kit for Watts 919 series backflow preventers. Includes a relief valve stem O-ring. Compatible with 1-inch valve sizes and model 919. Used to replace worn rubber parts in backflow preventers for maintaining proper sealing
This repair kit is for Watts backflow preventers, compatible with the 009M2 model and RK-009 series. It includes an upper stem O-ring and is designed for a 2-inch valve size. The kit is used to replace worn internal components, helping to restore proper valve function in water systems
Watts
This repair kit is for Watts backflow preventers, compatible with the 009M2 model and RK-009 series. It includes an upper stem O-ring and is designed for a 2-inch valve size. The kit is used to replace worn internal components, helping to restore proper valve function in water systems

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first