Same-day dispatch across Singapore on in-stock parts — plus worldwide shipping to 80+ countries

Image not available
WattsRepair Kits & Parts for Watts Backflow Preventers

WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit

The WATTS Total Relief Valve Kit (SKU 844GK7) is a repair kit for Watts backflow preventers, compatible with Series RK-009 and Model 009M2. It includes an Upper Stem O-Ring and fits valve sizes from 1-1/4 in to 1-1/2…

SKU 3G-OTH-436803

Brand
Watts
Item
Backflow Preventer Repair Kits: Total Relief Valve Kit
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
Includes
Upper Stem O-Ring
Compatible Valve Size
1-1/4 in to 1-1/2 in
Compatible with Series
RK-009
Manufacturer Part Number
RK 009M2-VT 1-1/4-1-1/2
Compatible with Mfr. Model No.
009M2
Compatible with Grainger Part No.
793HG4
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 (SKU 844GK7) is a repair kit for Watts backflow preventers, compatible with Series RK-009 and Model 009M2. It includes an Upper Stem O-Ring and fits valve sizes from 1-1/4 in to 1-1/2 in. This kit is designed for servicing Watts backflow preventers, with manufacturer part number RK 009M2-VT 1-1/4-1-1/2.

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, 5DMJ4/793HG7/793HL8/818DD2, 009M2 (MPN RK 009M2-VT 2). Key specifications — Compatible Valve Size: 2 in; Compatible with Grainger Part No.: 818DD2; Compatible with Series: RK-009; Compatible with Mfr. Model No.: 009M2; Includes: Upper Stem O-Ring.
Watts
WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 5DMJ4/793HG7/793HL8/818DD2, 009M2 (MPN RK 009M2-VT 2). Key specifications — Compatible Valve Size: 2 in; Compatible with Grainger Part No.: 818DD2; Compatible with Series: RK-009; Compatible with Mfr. Model No.: 009M2; Includes: Upper Stem O-Ring.
WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 3/4 in Compatible Valve Size, 009M3 (MPN RK 009M3-VT 3/4). Key specifications — Compatible Valve Size: 3/4 in; Compatible with Grainger Part No.: 818DE1; Compatible with Series: RK-009; Compatible with Mfr. Model No.: 009M3; Includes: Seat O-Ring.
Watts
WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 3/4 in Compatible Valve Size, 009M3 (MPN RK 009M3-VT 3/4). Key specifications — Compatible Valve Size: 3/4 in; Compatible with Grainger Part No.: 818DE1; Compatible with Series: RK-009; Compatible with Mfr. Model No.: 009M3; Includes: Seat O-Ring.
WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 1KYE6/793HG6, SS009M2/SS009M3 (MPN RK SS009M2/M3-VT 1/4-3/4). Key specifications — Compatible Valve Size: 1/4 in to 3/4 in; Compatible with Grainger Part No.: 793HG6; Compatible with Series: RK-SS009; Compatible with Mfr. Model No.: SS009M2; Includes: Stem O-Rings.
Watts
WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 1KYE6/793HG6, SS009M2/SS009M3 (MPN RK SS009M2/M3-VT 1/4-3/4). Key specifications — Compatible Valve Size: 1/4 in to 3/4 in; Compatible with Grainger Part No.: 793HG6; Compatible with Series: RK-SS009; Compatible with Mfr. Model No.: SS009M2; Includes: Stem O-Rings.
WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 522P31, 009/LF009, LF009 (MPN LFRK 009-VT 2-1/2-3). Key specifications — Compatible Valve Size: 2-1/2 in to 3 in; Compatible with Grainger Part No.: 522P31; Compatible with Series: LF009; Compatible with Mfr. Model No.: LF009; Includes: Seat O-Ring.
Watts
WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 522P31, 009/LF009, LF009 (MPN LFRK 009-VT 2-1/2-3). Key specifications — Compatible Valve Size: 2-1/2 in to 3 in; Compatible with Grainger Part No.: 522P31; Compatible with Series: LF009; Compatible with Mfr. Model No.: LF009; Includes: Seat O-Ring.
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: 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.

More from Watts

View all Watts parts
WATTS Relief Valve Repair Kit: Relief Valve Repair Kit, 818DD4/818DD6, 3/4 -1 LF909, Repair Kit (MPN 909-3/4 - 1 Relief Valve). Key specifications — Compatible Valve Size: 3/4 in to 1 in; Compatible with Grainger Part No.: 818DD6; Compatible with Series: RK-909; Compatible with Mfr. Model No.: 3/4 -1 LF909; Includes: Lubricant.
Watts
WATTS Relief Valve Repair Kit: Relief Valve Repair Kit, 818DD4/818DD6, 3/4 -1 LF909, Repair Kit (MPN 909-3/4 - 1 Relief Valve). Key specifications — Compatible Valve Size: 3/4 in to 1 in; Compatible with Grainger Part No.: 818DD6; Compatible with Series: RK-909; Compatible with Mfr. Model No.: 3/4 -1 LF909; Includes: Lubricant.
WATTS Backflow Preventer Repair Kits: First Check Kit, 36JC74/36JC81, 6 in Compatible Valve Size (MPN RK 774/774DCDA-CK1 6). Key specifications — Compatible Valve Size: 6 in; Compatible with Grainger Part No.: 36JC81; Compatible with Series: 774DCDA; Compatible with Mfr. Model No.: 774DCDA; Includes: Cam Check with a Check O-Ring.
Watts
WATTS Backflow Preventer Repair Kits: First Check Kit, 36JC74/36JC81, 6 in Compatible Valve Size (MPN RK 774/774DCDA-CK1 6). Key specifications — Compatible Valve Size: 6 in; Compatible with Grainger Part No.: 36JC81; Compatible with Series: 774DCDA; Compatible with Mfr. Model No.: 774DCDA; Includes: Cam Check with a Check O-Ring.
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 793PG4/793PG6, 4 LF909, Repair Kit (MPN 909 4 1st Check Kit). Key specifications — Compatible Valve Size: 4 in; Compatible with Grainger Part No.: 793PG4; Compatible with Series: 909; Compatible with Mfr. Model No.: 4 LF909; Includes: Lubricant.
Watts
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 793PG4/793PG6, 4 LF909, Repair Kit (MPN 909 4 1st Check Kit). Key specifications — Compatible Valve Size: 4 in; Compatible with Grainger Part No.: 793PG4; Compatible with Series: 909; Compatible with Mfr. Model No.: 4 LF909; Includes: Lubricant.
WATTS Backflow Preventer Repair Kit: Check Rubber Parts Kit, 1KYD7/1KYD9/1KYE2, Repair Kit (MPN RK757-757-DCDA-RC4). Key specifications — Compatible Valve Size: 2-1/2 in to 4 in; Compatible with Grainger Part No.: 1KYD7; Compatible with Series: 757DCDA; Compatible with Mfr. Model No.: 21/2 757 OSY; Includes: O-Ring.
Watts
WATTS Backflow Preventer Repair Kit: Check Rubber Parts Kit, 1KYD7/1KYD9/1KYE2, Repair Kit (MPN RK757-757-DCDA-RC4). Key specifications — Compatible Valve Size: 2-1/2 in to 4 in; Compatible with Grainger Part No.: 1KYD7; Compatible with Series: 757DCDA; Compatible with Mfr. Model No.: 21/2 757 OSY; Includes: O-Ring.
WATTS Backflow Preventer Repair Kit: Complete Rubber Parts Kit, 6LL73, 009QT, Repair Kit, 009 (MPN RK 009 RT 11/4 - 11/2). Key specifications — Compatible Valve Size: 1-1/4 in to 1-1/2 in; Compatible with Grainger Part No.: 6LL73; Compatible with Series: 009; Compatible with Mfr. Model No.: 009QT; Includes: (2) RV Seat O-Ring.
Watts
WATTS Backflow Preventer Repair Kit: Complete Rubber Parts Kit, 6LL73, 009QT, Repair Kit, 009 (MPN RK 009 RT 11/4 - 11/2). Key specifications — Compatible Valve Size: 1-1/4 in to 1-1/2 in; Compatible with Grainger Part No.: 6LL73; Compatible with Series: 009; Compatible with Mfr. Model No.: 009QT; Includes: (2) RV Seat O-Ring.
WATTS Backflow Preventer Repair Kits: Second Check Kit, 809GC6, 3/4 in Compatible Valve Size, RK-919 (MPN RK 919-CK2-3/4). Key specifications — Compatible Valve Size: 3/4 in; Compatible with Grainger Part No.: 809GC6; Compatible with Series: RK-919; Compatible with Mfr. Model No.: 919; Includes: Check Assembly.
Watts
WATTS Backflow Preventer Repair Kits: Second Check Kit, 809GC6, 3/4 in Compatible Valve Size, RK-919 (MPN RK 919-CK2-3/4). Key specifications — Compatible Valve Size: 3/4 in; Compatible with Grainger Part No.: 809GC6; Compatible with Series: RK-919; Compatible with Mfr. Model No.: 919; Includes: Check Assembly.
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 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.