We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

Watts Backflow Preventer Repair Kits: Total Relief Valve Kit, 809GC6/809GC7, 919/LF919 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Total Relief Valve Kit, 809GC6/809GC7, 919/LF919

The WATTS Total Relief Valve Kit is a repair kit for Watts backflow preventers, compatible with Series RK-919 and model LF919. It includes a Relief Valve Cover O-Ring and fits valve sizes from 3/4 in to 1 in. This…

SKU 3G-OTH-436798

Brand
Watts
Item
Backflow Preventer Repair Kits: Total Relief Valve Kit, 809GC6/809GC7, 919/LF919
Category
Repair Kits & Parts for Watts Backflow Preventers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

Watts
Manufacturer Part Number
RK 919-VT 3/4-1
Type
809GC6/809GC7, 919/LF919, RK-919
Includes
Relief Valve Cover O-Ring
Compatible Valve Size
3/4 in to 1 in
Compatible with Series
RK-919
Compatible with Mfr. Model No.
LF919
Compatible with Grainger Part No.
809GC7
View Full Spec Sheet

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 Total Relief Valve Kit is a repair kit for Watts backflow preventers, compatible with Series RK-919 and model LF919. It includes a Relief Valve Cover O-Ring and fits valve sizes from 3/4 in to 1 in. This kit is identified by manufacturer part number RK 919-VT 3/4-1 and Grainger part number 809GC7.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 809GC8/809GC9/809GD0, 919/LF919 (MPN RK 919-VT 1-1/4-2). Key specifications — Compatible Valve Size: 1-1/4 in to 2 in; Compatible with Grainger Part No.: 809GD0; Compatible with Series: RK-919; Compatible with Mfr. Model No.: LF919; Includes: Relief Valve Cover O-Ring.
Watts
WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 809GC8/809GC9/809GD0, 919/LF919 (MPN RK 919-VT 1-1/4-2). Key specifications — Compatible Valve Size: 1-1/4 in to 2 in; Compatible with Grainger Part No.: 809GD0; Compatible with Series: RK-919; Compatible with Mfr. Model No.: LF919; Includes: Relief Valve Cover O-Ring.
Watts
Watts
WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 1/4 in to 1/2 in Compatible Valve Size (MPN RK 009-VT 1/4-1/2). Key specifications — Compatible Valve Size: 1/4 in to 1/2 in; Compatible with Grainger Part No.: 793HL3; Compatible with Series: RK-LF009; Compatible with Mfr. Model No.: LF009; Includes: Cover O-Ring Relief Valve Spring.
WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 793HG5, 1 in Compatible Valve Size (MPN RK SS009-VT 1). Key specifications — Compatible Valve Size: 1 in; Compatible with Grainger Part No.: 793HG5; Compatible with Series: SS009; Compatible with Mfr. Model No.: SS009; Includes: Cover O-Ring.
Watts
WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 793HG5, 1 in Compatible Valve Size (MPN RK SS009-VT 1). Key specifications — Compatible Valve Size: 1 in; Compatible with Grainger Part No.: 793HG5; Compatible with Series: SS009; Compatible with Mfr. Model No.: SS009; Includes: Cover O-Ring.
WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 809GC8/809GC9, 919/LF919, RK-919 (MPN RK 919-RT 1-1/4-1-1/2). Key specifications — Compatible Valve Size: 1-1/2 in; Compatible with Grainger Part No.: 809GC8; Compatible with Series: RK-919; Compatible with Mfr. Model No.: LF919; Includes: Relief Valve Stem O-Ring.
Watts
WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 809GC8/809GC9, 919/LF919, RK-919 (MPN RK 919-RT 1-1/4-1-1/2). Key specifications — Compatible Valve Size: 1-1/2 in; Compatible with Grainger Part No.: 809GC8; Compatible with Series: RK-919; Compatible with Mfr. Model No.: LF919; Includes: Relief Valve Stem O-Ring.
WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 809GC6, 919/LF919, Repair Kit (MPN RK 919-RT 3/4). Key specifications — Compatible Valve Size: 3/4 in; Compatible with Grainger Part No.: 809GC6; Compatible with Series: RK-919; Compatible with Mfr. Model No.: LF919; Includes: (2) Check Seat O-Rings.
Watts
WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 809GC6, 919/LF919, Repair Kit (MPN RK 919-RT 3/4). Key specifications — Compatible Valve Size: 3/4 in; Compatible with Grainger Part No.: 809GC6; Compatible with Series: RK-919; Compatible with Mfr. Model No.: LF919; Includes: (2) Check Seat O-Rings.
WATTS Backflow Preventer Repair Kits: First Check Kit, 809GC7, 1 in Compatible Valve Size, 919/LF919 (MPN RK 919-CK1 1). Key specifications — Compatible Valve Size: 1 in; Compatible with Grainger Part No.: 809GC7; Compatible with Series: RK-919; Compatible with Mfr. Model No.: LF919; Includes: Spring and Cover O-Ring.
Watts
WATTS Backflow Preventer Repair Kits: First Check Kit, 809GC7, 1 in Compatible Valve Size, 919/LF919 (MPN RK 919-CK1 1). Key specifications — Compatible Valve Size: 1 in; Compatible with Grainger Part No.: 809GC7; Compatible with Series: RK-919; Compatible with Mfr. Model No.: LF919; Includes: Spring and Cover O-Ring.

More from Watts

View all Watts parts
WATTS Relief Valve Repair Kit: Relief Valve Kit, 793PG4/793PG6/793PG7, 4-6 LF909, Repair Kit, 909 (MPN LFRK 909-RV 4-6). Key specifications — Compatible Valve Size: 4 in to 6 in; Compatible with Grainger Part No.: 793PG4; Compatible with Series: 909; Compatible with Mfr. Model No.: 4-6 LF909; Includes: RV Disc Assembly.
Watts
WATTS Relief Valve Repair Kit: Relief Valve Kit, 793PG4/793PG6/793PG7, 4-6 LF909, Repair Kit, 909 (MPN LFRK 909-RV 4-6). Key specifications — Compatible Valve Size: 4 in to 6 in; Compatible with Grainger Part No.: 793PG4; Compatible with Series: 909; Compatible with Mfr. Model No.: 4-6 LF909; Includes: RV Disc Assembly.
WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC53/36JC54/36JC59/36JC60 (MPN LFRK 709-CK4 2-1/2-3). Key specifications — Compatible Valve Size: 2-1/2 in to 3 in; Compatible with Grainger Part No.: 36JC53; Compatible with Series: RK-LF709; Compatible with Mfr. Model No.: 709; Includes: Disc and Spring Assembly.
Watts
WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC53/36JC54/36JC59/36JC60 (MPN LFRK 709-CK4 2-1/2-3). Key specifications — Compatible Valve Size: 2-1/2 in to 3 in; Compatible with Grainger Part No.: 36JC53; Compatible with Series: RK-LF709; Compatible with Mfr. Model No.: 709; Includes: Disc and Spring Assembly.
WATTS Vacuum Breaker Repair Kit: Vacuum Breaker Repair Kit, 1/2 in to 1 in Compatible Valve Size (MPN 800-1/2-1 Rubber Kit). Key specifications — Compatible Valve Size: 1/2 in to 1 in; Compatible with Series: 800; Compatible with Mfr. Model No.: 1/2 - 1 800; Includes: Check Disc Vent Seal.
Watts
WATTS Vacuum Breaker Repair Kit: Vacuum Breaker Repair Kit, 1/2 in to 1 in Compatible Valve Size (MPN 800-1/2-1 Rubber Kit). Key specifications — Compatible Valve Size: 1/2 in to 1 in; Compatible with Series: 800; Compatible with Mfr. Model No.: 1/2 - 1 800; Includes: Check Disc Vent Seal.
WATTS Vacuum Breaker Repair Kit: Vacuum Breaker Repair Kit, 5DMH8/5DMH9, 3/4 - 1 008, Repair Kit (MPN 008-3/4-1 Rubber Kit). Key specifications — Compatible Valve Size: 3/4 in to 1 in; Compatible with Grainger Part No.: 5DMH8; Compatible with Series: 008; Compatible with Mfr. Model No.: 3/4 - 1 008; Includes: Vent O-Ring.
Watts
WATTS Vacuum Breaker Repair Kit: Vacuum Breaker Repair Kit, 5DMH8/5DMH9, 3/4 - 1 008, Repair Kit (MPN 008-3/4-1 Rubber Kit). Key specifications — Compatible Valve Size: 3/4 in to 1 in; Compatible with Grainger Part No.: 5DMH8; Compatible with Series: 008; Compatible with Mfr. Model No.: 3/4 - 1 008; Includes: Vent O-Ring.
WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 994/994RPDA, 994/994RPDA (MPN RK994/994RPDA-VT 21/2-10). Key specifications — Compatible Valve Size: 2-1/2 in to 10 in; Compatible with Grainger Part No.: 36JD26; Compatible with Series: 994RPDA; Compatible with Mfr. Model No.: 994RPDA; Includes: Sleeve.
Watts
WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 994/994RPDA, 994/994RPDA (MPN RK994/994RPDA-VT 21/2-10). Key specifications — Compatible Valve Size: 2-1/2 in to 10 in; Compatible with Grainger Part No.: 36JD26; Compatible with Series: 994RPDA; Compatible with Mfr. Model No.: 994RPDA; Includes: Sleeve.
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 6A769/812MY7/818DF4, Repair Kit (MPN 007 M1 1-1/2 - 2 1st Check Kit). Key specifications — Compatible Valve Size: M1; Compatible with Grainger Part No.: 6A769; Compatible with Series: 007; Compatible with Mfr. Model No.: 1-1/2 - 2 007M1; Includes: Spring.
Watts
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 6A769/812MY7/818DF4, Repair Kit (MPN 007 M1 1-1/2 - 2 1st Check Kit). Key specifications — Compatible Valve Size: M1; Compatible with Grainger Part No.: 6A769; Compatible with Series: 007; Compatible with Mfr. Model No.: 1-1/2 - 2 007M1; Includes: Spring.
WATTS Relief Kit: Relief Kit, 793HG3/793HG4/793HL6/793HL7/793HP6/818DD9, 1 1/4 - 1 1/2 009M2/LF009M2 (MPN 009 M2 1-1/4 - 1-1/2 Total Relief Kit). Key specifications — Compatible Valve Size: M2; Compatible with Grainger Part No.: 793HL7; Compatible with Series: 009; Compatible with Mfr. Model No.: 1-1/4 - 1-1/2 009M2/LF009M2; Includes: Upper Stem O-Ring.
Watts
WATTS Relief Kit: Relief Kit, 793HG3/793HG4/793HL6/793HL7/793HP6/818DD9, 1 1/4 - 1 1/2 009M2/LF009M2 (MPN 009 M2 1-1/4 - 1-1/2 Total Relief Kit). Key specifications — Compatible Valve Size: M2; Compatible with Grainger Part No.: 793HL7; Compatible with Series: 009; Compatible with Mfr. Model No.: 1-1/4 - 1-1/2 009M2/LF009M2; Includes: Upper Stem O-Ring.
WATTS Vacuum Breaker Repair Kit: Rubber Parts Repair Kit, 1/2 in to 3/4 in Compatible Valve Size (MPN 800M3-1/2-3/4 Rubber Kit). Key specifications — Compatible Valve Size: 1/2 in to 3/4 in; Compatible with Series: 800M3; Compatible with Mfr. Model No.: 1/2 - 3/4 800M3; Includes: Bonnet O-Ring.
Watts
WATTS Vacuum Breaker Repair Kit: Rubber Parts Repair Kit, 1/2 in to 3/4 in Compatible Valve Size (MPN 800M3-1/2-3/4 Rubber Kit). Key specifications — Compatible Valve Size: 1/2 in to 3/4 in; Compatible with Series: 800M3; Compatible with Mfr. Model No.: 1/2 - 3/4 800M3; Includes: Bonnet O-Ring.