Thanks for the replies. Tump, my understanding is that the outdoor wood boilers use PEX tubing. Are you guys using PEX linesets for solar thermal now? I've always shied away from using PEX since it's only rated for 200-deg. Please clarify.
Thanks again. Nik ---------------------------------------- From: "Tump" <[email protected]> Sent: Thursday, December 03, 2009 8:24 AM To: "RE-wrenches" <[email protected]> Subject: Re: [RE-wrenches] trenching for solar thermal One can buy insulated line sets for direct burial from most of the outdoor furnace retailers.
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