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Watts RK-919 First Check Kit for 919/LF919 Backflow Preventers - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts RK-919 First Check Kit for 919/LF919 Backflow Preventers

The WATTS First Check Kit is a repair kit for Watts backflow preventers, part of the RK-919 series. It includes a check assembly and is compatible with valve sizes 1-1/4 in to 1-1/2 in, fitting the 919 model. The…

SKU 3G-OTH-436734

Also listed as: RK919CK1114112 · RK 919 CK1 1 1 4 1 1 2 · RK-919-CK1-1-1-4-1-1-2

Brand
Watts
Item
RK-919 First Check Kit for 919/LF919 Backflow Preventers
Part Number
RK 919-CK1 1-1/4-1-1/2
Category
Repair Kits & Parts for Watts Backflow Preventers
Available to Order
Also known as:RK 919-CK1 1-1/4-1-1/2Watts
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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 919-CK1 1-1/4-1-1/2
Type
809GC8/809GC9, 919/LF919, Repair Kit, RK-919
Includes
Check Assembly
Compatible Valve Size
1-1/4 in to 1-1/2 in
Compatible with Series
RK-919
Compatible with Mfr. Model No.
919

Technical Documents

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

Product Description

The WATTS First Check Kit is a repair kit for Watts backflow preventers, part of the RK-919 series. It includes a check assembly and is compatible with valve sizes 1-1/4 in to 1-1/2 in, fitting the 919 model. The manufacturer part number is RK 919-CK1 1-1/4-1-1/2.

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 First Check Kit used for?

The Watts First Check Kit is a repair kit for Watts backflow preventers, specifically the 919 model. It includes a check assembly and is used to restore proper backflow prevention in commercial and industrial water systems, ensuring compliance with cross-connection control regulations.

What are the specifications of the Watts RK-919 repair kit?

The Watts RK-919 First Check Kit includes a check assembly and is compatible with valve sizes 1-1/4 in to 1-1/2 in. It fits the Watts 919 model and the RK-919 series. The manufacturer part number is RK 919-CK1 1-1/4-1-1/2, and it is also compatible with part number 1-1/2 LF919-QT-S-FS.

Where to buy Watts backflow preventer repair kits worldwide?

You can source the Watts First Check Kit (RK 919-CK1 1-1/4-1-1/2) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine Watts repair components for your backflow preventer.

How to install the Watts First Check Kit?

To install the Watts First Check Kit, first depressurize the system and remove the old check assembly from the backflow preventer. Install the new check assembly from the kit, ensuring proper orientation per Watts guidelines. Reassemble the valve and test for leaks. Always follow local plumbing codes and manufacturer instructions.

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
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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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