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

3G Electric
RFQ CartGet a QuoteSign inSign up
Watts Second Check Valve Repair Kit: Second Check Valve Repair Kit, 793PG8, 8 LF909M1 - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Second Check Valve Repair Kit: Second Check Valve Repair Kit, 793PG8, 8 LF909M1

The WATTS Second Check Valve Repair Kit is a repair kit for Watts backflow preventers, designed for use with the Series 909. It includes a spring assembly and is compatible with an 8-inch valve size, specifically the…

SKU 3G-OTH-436773

Brand
Watts
Item
Second Check Valve Repair Kit: Second Check Valve Repair Kit, 793PG8, 8 LF909M1
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
909 8 2nd Check Kit
Type
793PG8, Repair Kit
LF909M1
8
Includes
Spring Assembly
Compatible Valve Size
8 in
Compatible with Series
909
Compatible with Mfr. Model No.
8 LF909M1
Compatible with Grainger Part No.
793PG8
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 Second Check Valve Repair Kit is a repair kit for Watts backflow preventers, designed for use with the Series 909. It includes a spring assembly and is compatible with an 8-inch valve size, specifically the 8 LF909M1 model (Grainger part number 793PG8).

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 Second Check Valve Repair Kit used for?

The Watts Second Check Valve Repair Kit is used to service the second check valve assembly in Watts Series 909 backflow preventers. It is essential for maintaining backflow prevention in commercial and industrial water systems, ensuring compliance with plumbing codes and preventing contamination of potable water supplies.

What are the specifications of the Watts 909 8 2nd Check Kit?

The Watts 909 8 2nd Check Kit (MPN 909 8 2nd Check Kit) is compatible with an 8-inch valve size and the Series 909 backflow preventer. It includes a spring assembly and fits the 8 LF909M1 model (Grainger part 793PG8). This repair kit is designed for the second check valve position only.

Where to buy the Watts 909 8 2nd Check Kit worldwide?

3G Electric supplies the Watts 909 8 2nd Check Kit worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this genuine Watts repair kit to any country.

How to install the Watts Second Check Valve Repair Kit?

To install the Watts Second Check Valve Repair Kit, first isolate the backflow preventer and relieve pressure. Remove the second check valve cover and old components, then install the new spring assembly and seals from the kit. Reassemble and test per Watts instructions. Always follow local plumbing codes and use proper safety procedures.

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 Second Check Valve Repair Kit: Second Check Valve Repair Kit, 793PG7, 6 LF909, Repair Kit (MPN 909 6 2nd 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: Spring Assembly.
Watts
WATTS Second Check Valve Repair Kit: Second Check Valve Repair Kit, 793PG7, 6 LF909, Repair Kit (MPN 909 6 2nd 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: Spring Assembly.
WATTS Second Check Valve Repair Kit: Second Check Kit, 793PG4/793PG6, 4 in Compatible Valve Size (MPN LFRK 909-CK2 4). Key specifications — Compatible Valve Size: 4 in; Compatible with Grainger Part No.: 793PG6; Compatible with Series: 909; Compatible with Mfr. Model No.: 4 LF909; Includes: Spring Assembly.
Watts
WATTS Second Check Valve Repair Kit: Second Check Kit, 793PG4/793PG6, 4 in Compatible Valve Size (MPN LFRK 909-CK2 4). Key specifications — Compatible Valve Size: 4 in; Compatible with Grainger Part No.: 793PG6; Compatible with Series: 909; Compatible with Mfr. Model No.: 4 LF909; Includes: Spring Assembly.
WATTS Second Check Valve Repair Kit: Second Check Valve Repair Kit, 6A769/812MY7/818DF4, Repair Kit (MPN 007 M1 1-1/2 - 2 2nd Check Kit). Key specifications — Compatible Valve Size: 1-1/2 in to 2 in; Compatible with Grainger Part No.: 6A769; Compatible with Series: 007; Compatible with Mfr. Model No.: 1-1/2 - 2 007M1/LF007M1; Includes: Disc Assembly.
Watts
WATTS Second Check Valve Repair Kit: Second Check Valve Repair Kit, 6A769/812MY7/818DF4, Repair Kit (MPN 007 M1 1-1/2 - 2 2nd Check Kit). Key specifications — Compatible Valve Size: 1-1/2 in to 2 in; Compatible with Grainger Part No.: 6A769; Compatible with Series: 007; Compatible with Mfr. Model No.: 1-1/2 - 2 007M1/LF007M1; Includes: Disc Assembly.
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 793PG8, 8 in Compatible Valve Size (MPN 909 8 1st Check Kit). Key specifications — Compatible Valve Size: 8 in; Compatible with Grainger Part No.: 793PG8; Compatible with Series: 909; Compatible with Mfr. Model No.: 8 LF909M1; Includes: Disc Assembly.
Watts
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 793PG8, 8 in Compatible Valve Size (MPN 909 8 1st Check Kit). Key specifications — Compatible Valve Size: 8 in; Compatible with Grainger Part No.: 793PG8; Compatible with Series: 909; Compatible with Mfr. Model No.: 8 LF909M1; Includes: Disc Assembly.
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 Second Check Valve Repair Kit: Second Check Kit, 26X140/429J30/793HG8/818DD8, 1 009M2/LF009M2 (MPN 009 M2 1 2nd Check Kit). Key specifications — Compatible Valve Size: 1 in; Compatible with Grainger Part No.: 818DD8; Compatible with Series: 009; Compatible with Mfr. Model No.: 1 009M2/LF009M2; Includes: Cover O-Ring.
Watts
WATTS Second Check Valve Repair Kit: Second Check Kit, 26X140/429J30/793HG8/818DD8, 1 009M2/LF009M2 (MPN 009 M2 1 2nd Check Kit). Key specifications — Compatible Valve Size: 1 in; Compatible with Grainger Part No.: 818DD8; Compatible with Series: 009; Compatible with Mfr. Model No.: 1 009M2/LF009M2; Includes: Cover O-Ring.

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.