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Gray PVC Lasco 1429-007 3/4-inch insert coupling (insert x insert) showing barbed insert ends and cylindrical body on white background.

Lasco 1429-007 3/4" PVC Insert Coupling - Insert x Insert

Brand: PVC
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$2.58
$1.93
SKU 1429007
In Stock (250)

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The Lasco 1429-007 3/4" PVC insert coupling is a durable Schedule 40 fitting engineered to join 3/4-inch polyethylene and flexible tubing systems. Its insert x insert barb profile provides a simple, reliable connection for irrigation, pool, and cold-water plumbing installations.

  • Material: PVC (Schedule 40) construction offers corrosion and chemical resistance for outdoor and irrigation use.
  • Connection: 3/4" insert x insert barb ends (approx. 13/16" outside diameter) for polyethylene (PE) pipe and flexible tubing.
  • Performance: Rated to 200 psi maximum operating pressure at 72°F and a temperature limit up to 140°F for cold-water systems.
  • Standards & Safety: Manufactured to ASTM D2609 and commonly listed with NSF 14 and NSF 61 certifications for potable water applications.
  • Dimensions: Overall length about 3 1/4" with molded barb profile designed for secure clamping.
  • Use Cases: Suitable for irrigation, pool plumbing, and polyethylene piping; not intended for hot-water or dwelling sewer applications.

Easy to install—push the insert into tubing and secure with stainless-steel or worm-gear hose clamps for a leak-resistant joint. The Lasco 1429-007 delivers a cost-effective, certified solution for contractors and homeowners requiring dependable insert-to-insert connections in cold-water and irrigation systems.

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Frequently Asked Questions

What pipe types is this coupling compatible with?
Designed for polyethylene (PE) pipe and flexible tubing; also compatible with PVC, vinyl, or rubber tubing when secured with hose clamps.
How is the 1429-007 installed and secured?
Push the pipe or tubing onto the barbed insert ends and secure each side with stainless-steel or worm-gear hose clamps for a tight seal.
Is this fitting certified for potable water use?
Yes. The model is commonly listed with NSF 14 and NSF 61 certifications, indicating suitability for potable water applications.
What are the pressure and temperature limits for this coupling?
Maximum operating pressure is 200 psi at 72°F with a temperature rating up to 140°F for cold-water systems.