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insulated PEX Underground Pipe for wood boiler
Insulated PEX best warranty
Insulated PEX made in the USA
PerformaFlex XT Insulated PEX vs Dual Pexflex


PerformaFlex XT 1 1/4-inch Non-Barrier PEX (Cut to Order)

Our Dual Wall, PerformaFlex XT is your best choice. Superior Warranty, Performance, and Durability. 100% Made In USA. Buy With Confidence

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From Scott K: "I have your PerformaFlex XT installed with my Hoss boiler and have tested temp loss with a proper thermowell set up. I lose less than 1" in my 180' run."

There's no comparison between XT and the other insulated pipes made for outdoor wood furnaces and other hydronic heating use. No matter which product or cost level PerformaFlex XT offers a superior package of performance, durability, and flexibility. For you that means:

  • Less Heat Loss and Fewer Trips To The Boiler
  • Confidence That You Have Installed the Best, No Worries.
  • Easier Install, Much More Flexible Than Urethane Style
  • Industry Best, Amazing Remediation Warranty Even Pays For Time And Trouble If There Is A Manufacturers Defect

We are happy to cut to the precise length you need from 50' to 475'.

Shipping is included with cut to order 100' plus orders to most states. Shipping for orders totaling less than 100' is $75.00 and is added at checkout.

Shipping our insulated PEX west of the Dakotas is between $175.00 and $350.00 extra and added at checkout.

Two end caps are included with 100' or more.

WANT TO ORDER BY PHONE?    814-445-8621

Frequently Asked Questions

What is the difference between O2B and Non-Barrier PEX?

How do I know if my OWB is an OPEN or CLOSED system?

How deep should I bury PerformaFlex XT?

What is special about the insulation you use in PerformaFlex XT?