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Watts 1/8 LF-NPT-TC Test Cock - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts 1/8 LF-NPT-TC Test Cock

The Watts Test Cock (MPN 1/8 LF-NPT-TC) is a bronze repair part with a 1/8 in NPT connection size, designed for use with Watts Series LF-NPT-TC backflow preventers. 3G Electric interprets your demand for this…

SKU 3G-OTH-436747

Also listed as: 18LFNPTTC · 1 8 LF NPT TC · 1-8-LF-NPT-TC

Brand
Watts
Item
1/8 LF-NPT-TC Test Cock
Part Number
1/8 LF-NPT-TC
Category
Repair Kits & Parts for Watts Backflow Preventers
Available to Order
Also known as:1/8 LF-NPT-TCWatts
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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
1/8 LF-NPT-TC
Type
1/8 in Connection Size - Side 1, NPT, Repair Part, Bronze
Compatible with Series
Watts Series LF-NPT-TC, 1/8 in

Technical Documents

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

Product Description

The Watts Test Cock (MPN 1/8 LF-NPT-TC) is a bronze repair part with a 1/8 in NPT connection size, designed for use with Watts Series LF-NPT-TC backflow preventers. 3G Electric interprets your demand for this specific OEM component, sourcing it as a genuine repair kit part to support your maintenance needs.

Frequently Asked Questions

What is a Watts test cock used for?

A Watts test cock is a repair part for backflow preventers, used to connect test equipment for checking system pressure and flow. It ensures safe water supply by enabling routine backflow testing in commercial and industrial plumbing systems.

What are the specifications of the Watts 1/8 LF-NPT-TC test cock?

The Watts 1/8 LF-NPT-TC test cock has a 1/8-inch NPT connection on side 1, is made of bronze, and is a repair part compatible with Watts Series LF-NPT-TC backflow preventers. It is designed for reliable performance in water system testing.

Where to buy Watts test cock 1/8 LF-NPT-TC worldwide?

3G Electric supplies the Watts 1/8 LF-NPT-TC test cock worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine repair parts for backflow preventers and deliver to your facility.

How to install a Watts test cock on a backflow preventer?

To install a Watts test cock, first depressurize the system, then remove the old fitting. Apply thread sealant to the 1/8-inch NPT threads and tighten the bronze test cock into the backflow preventer port. Always follow manufacturer guidelines for torque and testing.

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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