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Watts Backflow Preventer Repair Kits: Second Check Kit, 994-NRS/994-NRS, 994/994RPDA - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Backflow Preventer Repair Kits: Second Check Kit, 994-NRS/994-NRS, 994/994RPDA

The WATTS Backflow Preventer Repair Kits: Second Check Kit (SKU 3G-OTH-436718) is a repair kit designed for Watts backflow preventers. It includes a cam arm and is compatible with valve sizes 8 in to 10 in…

SKU 3G-OTH-436718

Also listed as: RK994994RPDACK2810 · RK 994 994RPDA CK2 8 10 · RK-994-994RPDA-CK2-8-10

Brand
Watts
Item
Backflow Preventer Repair Kits: Second Check Kit, 994-NRS/994-NRS, 994/994RPDA
Category
Repair Kits & Parts for Watts Backflow Preventers
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Technical Specifications

Watts
Manufacturer Part Number
RK 994/994RPDA-CK2 8-10
Type
36JD29/36JD30, 994/994RPDA, Repair Kit
Includes
Cam Arm
Compatible Valve Size
8 in to 10 in
Compatible with Series
994RPDA
Compatible with Mfr. Model No.
994

Technical Documents

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Watts Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WATTS Backflow Preventer Repair Kits: Second Check Kit (SKU 3G-OTH-436718) is a repair kit designed for Watts backflow preventers. It includes a cam arm and is compatible with valve sizes 8 in to 10 in, specifically for the 994RPDA series and model 994. The manufacturer part number is RK 994/994RPDA-CK2 8-10.

Frequently Asked Questions

What is the Watts backflow preventer second check kit used for?

The Watts second check repair kit is used to replace the second check valve assembly in Watts 994 and 994RPDA series backflow preventers. It is essential for maintaining backflow protection in commercial water systems, ensuring compliance with plumbing codes and preventing contamination of potable water supplies.

What are the specifications of the Watts RK 994/994RPDA-CK2 8-10 repair kit?

This Watts repair kit includes a cam arm and is compatible with valve sizes 8 in to 10 in. It fits the Watts 994RPDA series and model 994 backflow preventers. The manufacturer part number is RK 994/994RPDA-CK2 8-10, and it is also compatible with part number 994-NRS.

Where to buy Watts backflow preventer repair kits worldwide?

3G Electric supplies Watts backflow preventer repair kits worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the RK 994/994RPDA-CK2 8-10 kit or other Watts repair parts for your backflow preventer needs.

How to install the Watts second check repair kit?

To install the Watts second check repair kit, first isolate the backflow preventer and relieve system pressure. Remove the access cover and replace the existing second check assembly with the new kit, ensuring the cam arm is correctly positioned. Reassemble and test for proper operation per 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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
WATTS Backflow Preventer Repair Kits: First Check Kit, 994-NRS/994-NRS, 994/994RPDA, Repair Kit (MPN RK 994/994RPDA-CK1 8-10)
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WATTS Backflow Preventer Repair Kits: First Check Kit, 994-NRS/994-NRS, 994/994RPDA, Repair Kit (MPN RK 994/994RPDA-CK1 8-10)
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WATTS Backflow Preventer Repair Kits: Second Check Kit, 994-NRS, 6 in Compatible Valve Size (MPN RK 994/994RPDA-CK2 6)
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WATTS Backflow Preventer Repair Kits: Second Check Kit, 994-NRS/994-NRS/994-NRS/994BLT, 994/994RPDA (MPN RK994/994RPDA-CK2-21/2-4)
WATTS Backflow Preventer Repair Kits: First Check Kit, 994-NRS, 6 in Compatible Valve Size (MPN RK 994/994RPDA-CK1 6)
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WATTS Backflow Preventer Repair Kits: Second Check Kit, 5DMJ4/2 LF009M2-QT-S/2 LF009-QT-FS, 009M2, Repair Kit (MPN RK 009M2-CK2 2)

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