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

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

The WATTS Backflow Preventer Repair Kits: Second Check Kit (SKU RK 994/994RPDA-CK2 6, MPN RK 994/994RPDA-CK2 6) is a repair kit for Watts backflow preventers. It includes an O-Ring Groove Seal and is compatible with…

SKU 3G-OTH-436761

Also listed as: RK994994RPDACK26 · RK 994 994RPDA CK2 6 · RK-994-994RPDA-CK2-6

Brand
Watts
Item
Backflow Preventer Repair Kits: Second Check Kit, 994-NRS
Category
Repair Kits & Parts for Watts Backflow Preventers
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Watts
Manufacturer Part Number
RK 994/994RPDA-CK2 6
Type
36JD28
Includes
O-Ring Groove Seal
Compatible Valve Size
6 in
Compatible with Series
994
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 RK 994/994RPDA-CK2 6, MPN RK 994/994RPDA-CK2 6) is a repair kit for Watts backflow preventers. It includes an O-Ring Groove Seal and is compatible with a 6-inch valve size, Series 994, and Model 994.

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 backflow preventer second check kit used for?

The Watts backflow preventer second check kit is used to repair the second check valve assembly in Watts Series 994 backflow preventers. It restores proper sealing to prevent reverse water flow in commercial and industrial plumbing systems, ensuring cross-connection control and system reliability.

What are the specifications of the Watts RK 994/994RPDA-CK2 6 repair kit?

The Watts RK 994/994RPDA-CK2 6 repair kit is compatible with a 6-inch valve size and fits Watts Series 994 and Model 994 backflow preventers. It includes an O-Ring Groove Seal. The manufacturer part number is RK 994/994RPDA-CK2 6, and it corresponds to part number 994-NRS.

Where to buy Watts backflow preventer repair kits worldwide?

You can source Watts backflow preventer repair kits worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the RK 994/994RPDA-CK2 6 kit.

How to install a Watts backflow preventer second check kit?

To install the Watts second check kit, first depressurize and isolate the backflow preventer. Remove the access cover and extract the old second check assembly. Replace it with the new kit, ensuring the O-Ring Groove Seal is properly seated. Reassemble and test per local plumbing codes. Always follow Watts generic installation guidelines.

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, 6 in Compatible Valve Size (MPN RK 994/994RPDA-CK1 6)
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WATTS Backflow Preventer Repair Kits: First Check Kit, 994-NRS, 6 in Compatible Valve Size (MPN RK 994/994RPDA-CK1 6)
WATTS Backflow Preventer Repair Kits: Second Check Kit, 994-NRS/994-NRS, 994/994RPDA, Repair Kit (MPN RK 994/994RPDA-CK2 8-10)
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WATTS Backflow Preventer Repair Kits: Second Check Kit, 994-NRS/994-NRS, 994/994RPDA, Repair Kit (MPN RK 994/994RPDA-CK2 8-10)
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)
WATTS Backflow Preventer Repair Kits: First Check Kit, 994-NRS/994-NRS/994-NRS/994BLT, 994/994RPDA (MPN RK994/994RPDA-CK1-21/2-4)
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WATTS Backflow Preventer Repair Kits: First Check Kit, 994-NRS/994-NRS/994-NRS/994BLT, 994/994RPDA (MPN RK994/994RPDA-CK1-21/2-4)
WATTS Backflow Preventer Repair Kits: Second Check Kit, 994-NRS/994-NRS/994-NRS/994BLT, 994/994RPDA (MPN RK994/994RPDA-CK2-21/2-4)
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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: Second Check Kit, 3/4 LF919-QT-S-FS, 3/4 in Compatible Valve Size, RK-919 (MPN RK 919-CK2-3/4)
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WATTS Backflow Preventer Repair Kits: Second Check Kit, 3/4 LF919-QT-S-FS, 3/4 in Compatible Valve Size, RK-919 (MPN RK 919-CK2-3/4)

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