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DHW recirculation pump attachment

roundrightfarm
roundrightfarm Member Posts: 54
in Domestic Hot Water
I'm looking at the Grundfos up10-16 recirculator, which does not have flange attachments. I have the option of sweat or NPT. Can anyone recommend a way to attach this with ball valves on each side that will make swapping out the pump quick and easy?

Comments

  • roundrightfarm
    roundrightfarm Member Posts: 54
    Also forgot to ask if anyone has experience with the auto adapt option on these pumps. Is it worth the extra money for this feature? Does it work well, or does it leave you with cold water occasionally u if you are up late at night?
  • hot_rod
    hot_rod Member Posts: 23,119
    Either a couple sweat valves or you can find mip x sweat valves to thread into threaded flanges
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
  • HVACNUT
    HVACNUT Member Posts: 6,241
    Between the valves and the pump with NPT ports, install brass unions for easy service or replacement.
    cnmdesign

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