Best underground Pipe for outside wood boilers?

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AZBP

New Member
Hearth Supporter
Oct 29, 2008
1
Western Mass
What is the best underground pipe for outside wood boilers; Thermoplex from Central Boiler @$13.95 per ft, Pex-Flex from Urecon @ $9.75 per ft or Flexsul-seal from EZ Burn Mfg @ $12 per ft ? I am going to need about 500 ft and want to make sure I do it right. From their websites, thermoplex and Pex-flex seem to be the same type. I have heard good things about Thermoplex but the Pex-flex is cheaper. Has anyone heard any good or bad things about pex-flex or flexsul-seal?
Thanks for the help.
 
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