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Watts Vent Elbows: Air Gaps and Elbow, 793HG7/793HL8/818DD1/818DD2/818DD7/818DE2 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Vent Elbows: Air Gaps and Elbow, 793HG7/793HL8/818DD1/818DD2/818DD7/818DE2

The WATTS Vent Elbows: Air Gaps and Elbow (MPN 909ELF) is a repair kit part for Watts backflow preventers, compatible with Series 909 ELF. It is designed for a 4-inch compatible valve size and fits manufacturer model…

SKU 3G-OTH-436827

Brand
Watts
Item
Vent Elbows: Air Gaps and Elbow, 793HG7/793HL8/818DD1/818DD2/818DD7/818DE2
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
909ELF
Type
793HG7/793HL8/818DD1/818DD2/818DD7/818DE2, Repair Part
Compatible Valve Size
4 in
Compatible with Series
909 ELF
Compatible with Mfr. Model No.
1-1/4 - 009M1
Compatible with Grainger Part No.
818DD7
View Full Spec Sheet

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

Product Description

The WATTS Vent Elbows: Air Gaps and Elbow (MPN 909ELF) is a repair kit part for Watts backflow preventers, compatible with Series 909 ELF. It is designed for a 4-inch compatible valve size and fits manufacturer model number 1-1/4 - 009M1, as well as Grainger part number 818DD7.

Frequently Asked Questions

What is the Watts 909ELF vent elbow used for?

The Watts 909ELF vent elbow is a repair part for Watts backflow preventers, specifically the Series 909 ELF. It functions as an air gap and elbow component, helping to prevent backflow and maintain proper drainage in industrial water systems.

What are the specifications of the Watts 909ELF vent elbow?

The Watts 909ELF vent elbow has a compatible valve size of 4 inches and is designed for use with Watts Series 909 ELF backflow preventers. It fits manufacturer model number 1-1/4 - 009M1 and is compatible with Grainger part number 818DD7.

Where to buy Watts 909ELF vent elbow worldwide?

You can source the Watts 909ELF vent elbow through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the part reaches your facility reliably.

How to install the Watts 909ELF vent elbow?

To install the Watts 909ELF vent elbow, first ensure the backflow preventer is depressurized. Remove the old elbow and air gap assembly, then fit the new 909ELF component securely. Always follow the manufacturer's instructions for your specific Series 909 ELF model to maintain proper function.

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 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.

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