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Old 02-18-15, 02:55 PM   #483
Drake
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Join Date: Jan 2011
Location: Mpls,MN
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Thought I stated that radiant loop is closed system and that DHW will be separate. I have a Airtrap DHWHP for DHW. Do you believe a plastic tank is bad? Our elec COOP recommends the Marathon as their first choice for rebates. My first floor loops will also be 5/8" O2 barrier pex, as I have 900' I got surplus from a friends project, which will carry a higher volume of fluid than 1/2". This friend also has a bunch of solid crimps left over. Are these better/worse than the clip rings?
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