We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
Watts 1/2 LF-TC 757/957 2-1/2 - 4 Test Cock, 1/2 in NPT, Bronze - Repair Kits & Parts for Watts Backflow Preventers
WattsRepair Kits & Parts for Watts Backflow Preventers

Watts 1/2 LF-TC 757/957 2-1/2 - 4 Test Cock, 1/2 in NPT, Bronze

The Watts Test Cock (MPN 1/2 LF-TC 757/957 2-1/2 - 4) is a 1/2 in NPT bronze repair part for Watts backflow preventers. It is compatible with the Watts Series LF-TC and features a 1/2 in connection size on Side 1.

SKU 3G-OTH-436748

Also listed as: 12LFTC7579572124 · 1 2 LF TC 757 957 2 1 2 4 · 1-2-LF-TC-757-957-2-1-2-4

Brand
Watts
Item
1/2 LF-TC 757/957 2-1/2 - 4 Test Cock, 1/2 in NPT, Bronze
Part Number
1/2 LF-TC 757/957 2-1/2 - 4
Category
Repair Kits & Parts for Watts Backflow Preventers
Available to Order
Also known as:1/2 LF-TC 757/957 2-1/2 - 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 — 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
1/2 LF-TC 757/957 2-1/2 - 4
Type
1/2 in Connection Size - Side 1, NPT, Repair Part, Bronze
Compatible with Series
Watts Series LF-TC, 1/2 in

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 1/2 LF-TC 757/957 2-1/2 - 4) is a 1/2 in NPT bronze repair part for Watts backflow preventers. It is compatible with the Watts Series LF-TC and features a 1/2 in connection size on Side 1.

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 test cock used for?

The Watts test cock is a repair part used on Watts Series LF-TC backflow preventers. It allows technicians to attach test equipment to verify that the preventer is operating correctly, ensuring cross-connection control and backflow protection in commercial and industrial water systems.

What are the specifications of the Watts 1/2 LF-TC test cock?

This Watts test cock has a 1/2-inch NPT connection size on side 1, is made of bronze, and is compatible with Watts Series LF-TC backflow preventers. The manufacturer part number is 1/2 LF-TC 757/957 2-1/2 - 4. It is designed as a repair part for backflow prevention assemblies.

Where to buy Watts test cock worldwide?

3G Electric supplies the Watts test cock worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this genuine Watts repair part to any country.

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

Install the Watts test cock by threading it into the test port of the compatible Watts Series LF-TC backflow preventer using a wrench. Apply thread sealant to the NPT threads to prevent leaks. Always depressurize the system before installation and follow local plumbing codes for backflow prevention maintenance.

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 →

Related products

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