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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.

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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WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 793PG7, 6 in Compatible Valve Size (MPN 909 6 1st Check Kit). Key specifications — Compatible Valve Size: 6 in; Compatible with Grainger Part No.: 793PG7; Compatible with Series: RK-909; Compatible with Mfr. Model No.: 6 LF909; Includes: Lubricant.
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