We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
Watts RK994/994RPDA-CK1-21/2-4 First Check Kit for 994RPDA Backflow Preventers - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts RK994/994RPDA-CK1-21/2-4 First Check Kit for 994RPDA Backflow Preventers

The WATTS Backflow Preventer Repair Kits: First Check Kit (SKU 3G-OTH-436864) is a repair kit for Watts backflow preventers, compatible with Series 994RPDA and Model 994. It includes a cam arm and fits valve sizes…

SKU 3G-OTH-436864

Also listed as: RK994994RPDACK12124 · RK994 994RPDA CK1 21 2 4 · RK994-994RPDA-CK1-21-2-4

Brand
Watts
Item
RK994/994RPDA-CK1-21/2-4 First Check Kit for 994RPDA Backflow Preventers
Part Number
RK994/994RPDA-CK1-21/2-4
Category
Repair Kits & Parts for Watts Backflow Preventers
Available to Order
Also known as:RK994/994RPDA-CK1-21/2-4Watts
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Watts
Manufacturer Part Number
RK994/994RPDA-CK1-21/2-4
Type
36JD25/36JD26/36JD27/6AUW9, 994/994RPDA
Includes
Cam Arm
Compatible Valve Size
2-1/2 in to 4 in
Compatible with Series
994RPDA
Compatible with Mfr. Model No.
994

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 Backflow Preventer Repair Kits: First Check Kit (SKU 3G-OTH-436864) is a repair kit for Watts backflow preventers, compatible with Series 994RPDA and Model 994. It includes a cam arm and fits valve sizes from 2-1/2 in to 4 in.

Frequently Asked Questions

What is the Watts First Check Kit used for?

The Watts First Check Kit is a repair kit for backflow preventers, specifically designed for Series 994RPDA and Model 994. It includes a cam arm and fits valve sizes from 2-1/2 in to 4 in. This kit is used to replace first-check components in commercial and industrial water systems to maintain backflow protection.

What are the specifications of the Watts First Check Kit?

The Watts First Check Kit (MPN RK994/994RPDA-CK1-21/2-4) includes a cam arm and is compatible with valve sizes 2-1/2 in to 4 in. It works with Series 994RPDA and Model 994 backflow preventers. The kit is also compatible with Part No. 994-NRS and is manufactured by Watts.

Where to buy Watts First Check Kit worldwide?

You can source the Watts First Check Kit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead times. 3G Electric provides reliable sourcing for Watts repair kits and parts.

How to install the Watts First Check Kit?

To install the Watts First Check Kit, first depressurize the backflow preventer and isolate the valve. Remove the old first-check assembly and replace it with the new kit, ensuring the cam arm is properly seated. Follow Watts' generic installation guidelines for Series 994RPDA. Always consult a qualified technician for safety.

Used in

Common applications for Watts
Commercial plumbing – Watts standard capacity water pressure regulators (3/8 LF 26AB) for stabilizing incoming water pressure
Industrial steam systems – Watts 152A series steam pressure regulators for pressure reduction in process and heating lines
Cross-connection control – Watts 757 double check backflow preventers for commercial and industrial water supply protection
Boiler safety – Watts ASME Section XIII temperature and pressure relief valves for overpressure protection in heating systems
Hydronic heating – Watts CP16 pilot-operated pressure regulators for maintaining consistent pressure in steam or water loops
Water hammer mitigation – Watts LF15M2-A water hammer arrestors for absorbing surges in quick-closing valve applications
Not sure this is the right part? Photo-identify it

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
Brass pump head designed as a replacement or accessory part for fluid-handling systems. Compatible with manufacturer model number XWA-M8G35 and part number 3XU56A. Suitable for maintenance and repair applications in industrial plant operations
Stainless steel valve compatible with manufacturer model XW-M26.20. Used as a replacement or accessory in fluid or gas handling systems requiring corrosion resistance
This water seal kit is designed for use in pressure washers and other water-handling equipment. It is compatible with manufacturer model number XW-M26.20. The kit includes assorted seals made of Buna material for replacing worn seals in pumps and valves
This complete pump head is constructed of brass. It is designed as a replacement component for compatible pump models, specifically model number XWA-M8G29. Suitable for use in pressure washers and other fluid transfer applications
This brass complete pump head is designed as a replacement component for fluid-handling systems. It is compatible with XT 15mm pump models and part number 3XU67. Suitable for applications such as water circulation, cooling, or transfer
This water seal kit is made of Buna material with a 20 mm overall diameter. It is designed to prevent water leakage in rotating equipment such as pumps and mixers. Compatible with manufacturer model number XW 20mm

More from Watts

View all Watts parts
Repair kit for Watts Series 909 backflow preventers, compatible with valve sizes 1-1/4 in to 2 in. Includes cover O-ring. For use with models 818DD1, 818DD7, 818DE2, and LF909M1
Watts
Repair kit for Watts Series 909 backflow preventers, compatible with valve sizes 1-1/4 in to 2 in. Includes cover O-ring. For use with models 818DD1, 818DD7, 818DE2, and LF909M1
Watts
Watts
This repair kit is designed for use with Watts SS009 series backflow preventers. It includes a check assembly for servicing the second check valve. Compatible with 1-inch valve sizes, the kit is identified by manufacturer part number RK SS009-CK2 1 and type 793HG5
Repair kit for Watts 709 and RK-LF709 series backflow preventers. Includes cover O-ring. Compatible with 4-inch valve size. Used for replacing first or second check assembly in commercial and industrial water systems
Watts
Repair kit for Watts 709 and RK-LF709 series backflow preventers. Includes cover O-ring. Compatible with 4-inch valve size. Used for replacing first or second check assembly in commercial and industrial water systems
Watts
Watts
Repair kit for Watts backflow preventers, includes cover O-ring and relief valve spring. Compatible with valve sizes 1/4 in to 1/2 in and with Watts Series RK-LF009 and model LF009. Used to restore relief valve function in backflow prevention assemblies
Watts
Watts
Repair kit for Watts 007 series backflow preventers. Includes cover O-ring. Compatible with 1/2 in valve size and model 007. Used to replace first or second check assembly in potable water systems
Repair kit for Watts backflow preventers, compatible with Series RK-774 and Model 774. Includes a cam check with a check O-ring. Fits valve sizes 2-1/2 in to 4 in. Used to replace worn internal components in backflow prevention assemblies
Watts
Repair kit for Watts backflow preventers, compatible with Series RK-774 and Model 774. Includes a cam check with a check O-ring. Fits valve sizes 2-1/2 in to 4 in. Used to replace worn internal components in backflow prevention assemblies
Repair kit for Watts 919 series backflow preventers. Includes a relief valve stem O-ring. Compatible with 1-inch valve sizes and model 919. Used to replace worn rubber parts in backflow preventers for maintaining proper sealing
Watts
Repair kit for Watts 919 series backflow preventers. Includes a relief valve stem O-ring. Compatible with 1-inch valve sizes and model 919. Used to replace worn rubber parts in backflow preventers for maintaining proper sealing
This repair kit is for Watts backflow preventers, compatible with the 009M2 model and RK-009 series. It includes an upper stem O-ring and is designed for a 2-inch valve size. The kit is used to replace worn internal components, helping to restore proper valve function in water systems
Watts
This repair kit is for Watts backflow preventers, compatible with the 009M2 model and RK-009 series. It includes an upper stem O-ring and is designed for a 2-inch valve size. The kit is used to replace worn internal components, helping to restore proper valve function in water systems

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first