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does EPDM tubing require heat exchangers?

hot_rod
hot_rod Member Posts: 23,178
in THE MAIN WALL
steel instantaneous electric water heater recently. Built in Arizona as I recall. It was displayed at the HomeBuilders Show this spring.

That and a stainless circ pump, bronze air purger, and a DHW (coated) expansion tank you could skip the HX and extra pump, etc.

hr
Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream

Comments

  • ron11
    ron11 Member Posts: 1
    epdm tubing

    i have the 3/8 black epdm or solaroll tubing installed in gypcrete and want to use a hotpoint electric boiler. i've heard that this tubing clogs up and heat exchangers are necessary to prevent this. only non ferrous metals can be used. any experience with this?
    thanks
    ron
  • Steve M_2
    Steve M_2 Member Posts: 121
    yes

    You do need a heat exchanger and a plan for an alternative heat emitters when the tube and connections do fail.
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