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

3G Electric
RFQ CartGet a QuoteSign inSign up
Watts Backflow Preventer Repair Kits: Total Relief Valve Kit, 809GC8/809GC9/809GD0 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Total Relief Valve Kit, 809GC8/809GC9/809GD0

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 1-1/4 in to 2 in. The…

SKU 3G-OTH-436852

Brand
Watts
Item
Backflow Preventer Repair Kits: Total Relief Valve Kit, 809GC8/809GC9/809GD0
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 1-1/4-2
Type
809GC8/809GC9/809GD0, 919/LF919
Includes
Relief Valve Cover O-Ring
Compatible Valve Size
1-1/4 in to 2 in
Compatible with Series
RK-919
Compatible with Mfr. Model No.
LF919
Compatible with Grainger Part No.
809GD0
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 1-1/4 in to 2 in. The manufacturer part number is RK 919-VT 1-1/4-2.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Watts Total Relief Valve Kit used for?

The Watts Total Relief Valve Kit is used to repair backflow preventers in commercial and industrial water systems. It replaces worn relief valve components, including the cover O-ring, to maintain proper backflow protection and prevent contamination of potable water supplies.

What are the specifications of the Watts RK 919-VT 1-1/4-2 kit?

The Watts RK 919-VT 1-1/4-2 Total Relief Valve Kit is compatible with valve sizes from 1-1/4 in to 2 in. It fits Series RK-919 and Model LF919 backflow preventers. The kit includes a relief valve cover O-ring and is compatible with Grainger part number 809GD0.

Where to buy Watts backflow preventer repair kits worldwide?

You can source the Watts Total Relief Valve Kit RK 919-VT 1-1/4-2 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine Watts repair components for your backflow preventer.

How to install the Watts Total Relief Valve Kit?

To install the Watts Total Relief Valve Kit, first depressurize the system and remove the old relief valve assembly. Replace the cover O-ring and install the new kit components per Watts' instructions. Ensure proper alignment and test for leaks after reassembly. Always follow local plumbing codes.

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, 809GC6/809GC7, 919/LF919, RK-919 (MPN RK 919-VT 3/4-1). Key specifications — Compatible Valve Size: 3/4 in to 1 in; Compatible with Grainger Part No.: 809GC7; 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, 809GC6/809GC7, 919/LF919, RK-919 (MPN RK 919-VT 3/4-1). Key specifications — Compatible Valve Size: 3/4 in to 1 in; Compatible with Grainger Part No.: 809GC7; Compatible with Series: RK-919; Compatible with Mfr. Model No.: LF919; Includes: Relief Valve 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
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: First Check Kit, 809GD0, 2 in Compatible Valve Size, 919/LF919 (MPN RK 919-CK1 2). Key specifications — Compatible Valve Size: 2 in; Compatible with Grainger Part No.: 809GD0; 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, 809GD0, 2 in Compatible Valve Size, 919/LF919 (MPN RK 919-CK1 2). Key specifications — Compatible Valve Size: 2 in; Compatible with Grainger Part No.: 809GD0; Compatible with Series: RK-919; Compatible with Mfr. Model No.: LF919; Includes: Spring and Cover O-Ring.
WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 809GD0, 2 in Compatible Valve Size (MPN RK 919-RT 2). Key specifications — Compatible Valve Size: 2 in; Compatible with Grainger Part No.: 809GD0; Compatible with Series: RK-919; Compatible with Mfr. Model No.: LF919; Includes: (2) Check Cover O-Rings.
Watts
WATTS Backflow Preventer Repair Kits: Complete Rubber Parts Kit, 809GD0, 2 in Compatible Valve Size (MPN RK 919-RT 2). Key specifications — Compatible Valve Size: 2 in; Compatible with Grainger Part No.: 809GD0; Compatible with Series: RK-919; Compatible with Mfr. Model No.: LF919; Includes: (2) Check Cover O-Rings.

More from Watts

View all Watts parts →
WATTS Cap: Cap, 1/8 in Connection Size - Side 1, Male, IPS, Repair Part, Brass, Backflow Preventer (MPN SAE-TC Brass Cap 1/8 SAE). Key specifications — Compatible with Series: 4000B.
Watts
WATTS Cap: Cap, 1/8 in Connection Size - Side 1, Male, IPS, Repair Part, Brass, Backflow Preventer (MPN SAE-TC Brass Cap 1/8 SAE). Key specifications — Compatible with Series: 4000B.
WATTS Test Cock: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part, Female, NSF (MPN 1/4 LFTC). Key specifications — Compatible with Series: 4000B.
Watts
WATTS Test Cock: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part, Female, NSF (MPN 1/4 LFTC). Key specifications — Compatible with Series: 4000B.
WATTS Test Cock: Test Cock, 1/2 in Connection Size - Side 1, NPT, Repair Part, Bronze (MPN 1/2 LF-TC 757/957 2-1/2 - 4). Key specifications — Compatible with Series: Watts Series LF-TC, 1/2 in.
Watts
WATTS Test Cock: Test Cock, 1/2 in Connection Size - Side 1, NPT, Repair Part, Bronze (MPN 1/2 LF-TC 757/957 2-1/2 - 4). Key specifications — Compatible with Series: Watts Series LF-TC, 1/2 in.
WATTS Adapter: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part, Bronze (MPN SAE-TC-Adapter 1/4). Key specifications — Compatible with Series: Watts Series SAE-TC, 1/4 in.
Watts
WATTS Adapter: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part, Bronze (MPN SAE-TC-Adapter 1/4). Key specifications — Compatible with Series: Watts Series SAE-TC, 1/4 in.
WATTS Test Cock: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part, Female, NPT (MPN 1/4 LF-TC). Key specifications — Compatible with Series: 4000B.
Watts
WATTS Test Cock: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part, Female, NPT (MPN 1/4 LF-TC). Key specifications — Compatible with Series: 4000B.
WATTS Backflow Preventer Repair Kits: Second Check Kit, 1RCX3/1RCX5/1RCX7, 957/957RPDA, Repair Kit (MPN RK957/957RPDA-CK2-21/2-4). Key specifications — Compatible Valve Size: 2-1/2 in to 4 in; Compatible with Grainger Part No.: 1RCX3; Compatible with Series: RK-957; Compatible with Mfr. Model No.: 957; Includes: Second Check Module.
Watts
WATTS Backflow Preventer Repair Kits: Second Check Kit, 1RCX3/1RCX5/1RCX7, 957/957RPDA, Repair Kit (MPN RK957/957RPDA-CK2-21/2-4). Key specifications — Compatible Valve Size: 2-1/2 in to 4 in; Compatible with Grainger Part No.: 1RCX3; Compatible with Series: RK-957; Compatible with Mfr. Model No.: 957; Includes: Second Check Module.
WATTS Vacuum Breaker Repair Kit: Pressure Vacuum Breaker Check Kit, 1/2 - 3/4 800M4, Repair Kit (MPN 800M4-1/2-3/4 1st Check Kit). Key specifications — Compatible Valve Size: 1/2 in to 3/4 in; Compatible with Grainger Part No.: 793HT8; Compatible with Series: 800M4; Compatible with Mfr. Model No.: 1/2 - 3/4 800M4; Includes: Bonnet O-Ring.
Watts
WATTS Vacuum Breaker Repair Kit: Pressure Vacuum Breaker Check Kit, 1/2 - 3/4 800M4, Repair Kit (MPN 800M4-1/2-3/4 1st Check Kit). Key specifications — Compatible Valve Size: 1/2 in to 3/4 in; Compatible with Grainger Part No.: 793HT8; Compatible with Series: 800M4; Compatible with Mfr. Model No.: 1/2 - 3/4 800M4; Includes: Bonnet O-Ring.
WATTS Backflow Preventer Repair Kit: Complete Rubber Parts Kit, 6A771, 009-M1-QTS, Repair Kit, 009 (MPN RK 009 RT 3/4 - 1). Key specifications — Compatible Valve Size: 3/4 in to 1 in; Compatible with Grainger Part No.: 6A771; Compatible with Series: 009; Compatible with Mfr. Model No.: 009-M1-QTS; Includes: (2) Disc Assembly.
Watts
WATTS Backflow Preventer Repair Kit: Complete Rubber Parts Kit, 6A771, 009-M1-QTS, Repair Kit, 009 (MPN RK 009 RT 3/4 - 1). Key specifications — Compatible Valve Size: 3/4 in to 1 in; Compatible with Grainger Part No.: 6A771; Compatible with Series: 009; Compatible with Mfr. Model No.: 009-M1-QTS; Includes: (2) Disc Assembly.