pex insulation?

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fabguy01

New Member
Hearth Supporter
Sep 1, 2008
171
Ravenna Michigan
i'm installing the pex and heat exchanger in my house. do i need to insulate the pex that runs under the house? the house is on a 3 foot tall block crawl space with sand floor. i was even thinking about running the pex through the air ducts from the foundation to the furnace any thoughts?



thanks nate.
 
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