The flexible and economical MAXX-R Underground Pex Tubing or Copper Pipe Insulation System is a revolution in underground pipe insulation for wood pellet corn or grain burning outdoor boilers and furnaces. This item is the coupling used to join two pieces of Maxx R Underground Pipe Insulation together for a watertight installation. Requires two Cable Ties not Included. Note: The current trade name for this product is BioMass-Direct underground pipe insulation or BioMass Direct underground pipe insulation.
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MAXX-R web site
Product Spec Sheet