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

Watts Test Cock: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts Test Cock: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part

The WATTS Test Cock (MPN 1/4 LFTC) is a repair part for Watts backflow preventers, featuring a 1/4 in male NPT connection on side 1 and a female connection, certified to NSF. It is compatible with Series 4000B…

SKU 3G-OTH-436763

Also listed as: 14LFTC · 1 4 LFTC · 1-4-LFTC

Brand
Watts
Item
Test Cock: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part
Category
Repair Kits & Parts for Watts Backflow Preventers
Available to Order
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
1/4 LFTC
Type
1/4 in Connection Size - Side 1, Male, NPT, Repair Part, Female, NSF
Compatible with Series
4000B

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 Test Cock (MPN 1/4 LFTC) is a repair part for Watts backflow preventers, featuring a 1/4 in male NPT connection on side 1 and a female connection, certified to NSF. It is compatible with Series 4000B backflow preventers, serving as a replacement test cock for maintenance and repair applications.

Frequently Asked Questions

What is the Watts 1/4 LFTC test cock used for?

The Watts 1/4 LFTC test cock is a repair part used on Watts Series 4000B backflow preventers. It provides a 1/4-inch male NPT connection for attaching test equipment during backflow testing and maintenance. This component ensures accurate pressure readings and system integrity in commercial and industrial water systems.

What are the specifications of the Watts 1/4 LFTC test cock?

The Watts 1/4 LFTC test cock has a 1/4-inch male NPT connection on side 1 and a female connection on side 2. It is made of brass, is NSF certified, and is designed as a repair part for the Watts Series 4000B backflow preventer. The manufacturer part number is 1/4 LFTC.

Where to buy the Watts 1/4 LFTC test cock worldwide?

3G Electric supplies the Watts 1/4 LFTC test cock worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source genuine Watts repair parts for backflow preventers.

How to install the Watts 1/4 LFTC test cock on a Series 4000B backflow preventer?

To install the Watts 1/4 LFTC test cock, first depressurize the backflow preventer. Remove the old test cock and apply thread sealant to the male NPT threads. Hand-tighten the new test cock into the port, then use a wrench for a final quarter turn. Do not overtighten. Test for leaks before returning the system to service.

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
WATTS Test Cock: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part, Female, NPT (MPN 1/4 LF-TC)
Watts
WATTS Test Cock: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part, Female, NPT (MPN 1/4 LF-TC)
WATTS Test Cock: Test Cock, 1/8 in Connection Size - Side 1, NPT, Repair Part, Bronze (MPN 1/8 LF-NPT-TC)
Watts
WATTS Test Cock: Test Cock, 1/8 in Connection Size - Side 1, NPT, Repair Part, Bronze (MPN 1/8 LF-NPT-TC)
WATTS Test Cock: Test Cock, 3/4 in Connection Size - Side 1, NPT, Repair Part, Bronze (MPN 3/4 LF-TC 757/957 6-10)
Watts
WATTS Test Cock: Test Cock, 3/4 in Connection Size - Side 1, NPT, Repair Part, Bronze (MPN 3/4 LF-TC 757/957 6-10)
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)
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)
WATTS Adapter: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part, Bronze (MPN SAE-TC-Adapter 1/4)
Watts
WATTS Adapter: Test Cock, 1/4 in Connection Size - Side 1, Male, NPT, Repair Part, Bronze (MPN SAE-TC-Adapter 1/4)
WATTS Test Cock Repair Kit: Test Cock Repair Kit, 6AUW2/6AUW3/6AUW5, Watts Test Cock Repair Kit (MPN 6 - 10 LF-RK-TC3-757/957)
Watts
WATTS Test Cock Repair Kit: Test Cock Repair Kit, 6AUW2/6AUW3/6AUW5, Watts Test Cock Repair Kit (MPN 6 - 10 LF-RK-TC3-757/957)

More from Watts

View all Watts parts
WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC53/36JC54/36JC59/36JC60 (MPN LFRK 709-CK4 2-1/2-3)
Watts
WATTS Backflow Preventer Repair Kits: First or Second Check Kit, 36JC53/36JC54/36JC59/36JC60 (MPN LFRK 709-CK4 2-1/2-3)
WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 994/994RPDA, 994/994RPDA (MPN RK994/994RPDA-VT 21/2-10)
Watts
WATTS Backflow Preventer Repair Kits: Total Relief Valve Kit, 994/994RPDA, 994/994RPDA (MPN RK994/994RPDA-VT 21/2-10)
WATTS Vacuum Breaker Repair Kit: Vacuum Breaker Repair Kit, 1/2 in to 1 in Compatible Valve Size (MPN 800-1/2-1 Rubber Kit)
Watts
WATTS Vacuum Breaker Repair Kit: Vacuum Breaker Repair Kit, 1/2 in to 1 in Compatible Valve Size (MPN 800-1/2-1 Rubber Kit)
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 6A769/812MY7/818DF4, Repair Kit (MPN 007 M1 1-1/2 - 2 1st Check Kit)
Watts
WATTS First Check Valve Repair Kit: First Check Valve Repair Kit, 6A769/812MY7/818DF4, Repair Kit (MPN 007 M1 1-1/2 - 2 1st Check Kit)
WATTS Vacuum Breaker Repair Kit: Vacuum Breaker Repair Kit, 5DMH8/5DMH9, 3/4 - 1 008, Repair Kit (MPN 008-3/4-1 Rubber Kit)
Watts
WATTS Vacuum Breaker Repair Kit: Vacuum Breaker Repair Kit, 5DMH8/5DMH9, 3/4 - 1 008, Repair Kit (MPN 008-3/4-1 Rubber Kit)
WATTS Relief Kit: Relief Kit, 793HG3/793HG4/793HL6/793HL7/793HP6/818DD9, 1 1/4 - 1 1/2 009M2/LF009M2 (MPN 009 M2 1-1/4 - 1-1/2 Total Relief Kit)
Watts
WATTS Relief Kit: Relief Kit, 793HG3/793HG4/793HL6/793HL7/793HP6/818DD9, 1 1/4 - 1 1/2 009M2/LF009M2 (MPN 009 M2 1-1/4 - 1-1/2 Total Relief Kit)
WATTS Vacuum Breaker Repair Kit: Rubber Parts Repair Kit, 1/2 in to 3/4 in Compatible Valve Size (MPN 800M3-1/2-3/4 Rubber Kit)
Watts
WATTS Vacuum Breaker Repair Kit: Rubber Parts Repair Kit, 1/2 in to 3/4 in Compatible Valve Size (MPN 800M3-1/2-3/4 Rubber Kit)
WATTS Vacuum Breaker Repair Kit: Rubber Repair Kit, 1/2 in to 1 in/M2 Compatible Valve Size, 800M2 (MPN 800M2-1/2-1 Rubber Kit)
Watts
WATTS Vacuum Breaker Repair Kit: Rubber Repair Kit, 1/2 in to 1 in/M2 Compatible Valve Size, 800M2 (MPN 800M2-1/2-1 Rubber Kit)