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668510

1/2 in. & 3/8 in. Pneumatic Staple Gun for PEX — add 668520 to staple Onix

Overview

The 668510 Pneumatic Stapler is a professional-grade installation tool built for speed, accuracy, and durability on radiant floor heating projects. Out of the box it staples 1/2" and 3/8" PEX tubing; add the 668520 guide-plate kit to also staple 1/2" and 3/8" Onix. It supports staple-up, thin-slab, and sleeper systems with ease, and its heavy-duty construction and modular design make it a must-have for efficient, large-scale installs.

Key Features

  • Staples 1/2" & 3/8" PEX right out of the box
  • Add the 668520 guide-plate kit to also staple 1/2" & 3/8" Onix (sold separately)
  • Pneumatic operation ensures consistent staple depth and placement
  • Compatible with Watts 668018 staples (sold separately)
  • Optional extension handle kit available for standing use
  • Ideal for thin-slab, staple-up, and sleeper installations
  • Made in the USA with serviceable parts and support

Technical Specifications

Specification

Detail
Tubing Compatibility1/2" & 3/8" PEX (out of the box); 1/2" & 3/8" Onix (requires 668520 add-on)
Operating Pressure70–100 PSI
Air Inlet Size1/4" NPT male
Staple CapacityUp to 50 staples per load
Tool WeightApprox. 9 lb (4.1 kg)
ConstructionHeavy-duty metal body
Optional Accessories668520 Onix guide-plate kit, extension handle

Applications

  • Staple-Up Radiant Systems (wood subfloor underside)
  • Thin-Slab Overpour Installations (foam board or mesh)
  • Sleeper Systems with grooved channel flooring

Benefits

  • Speeds up installation time by over 50% vs. manual stapling
  • Reduces installer fatigue with ergonomic and extension options
  • Precise staple placement protects tubing from damage
  • Designed for reliability in high-volume use

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30-day money-back guarantee
Shipping: 2-3 Business Days
Manufacturer: Pexheat
Applications: Installing 1/2" and 3/8" PEX radiant tubing (Onix with 668520 add-on)

1/2 in. & 3/8 in. Pneumatic Staple Gun for PEX — add 668520 to staple Onix