• ThermoDrain TDH series
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ThermoDrain (42.1% efficiency) TDH3335B-DR-PEX high performance drain water heat recovery unit - factory installed PEX fittings + Free shipping*

ThermoDrain (42.1% efficiency) TDH3335B-DR-PEX high performance drain water heat recovery unit - factory installed PEX fittings + Free shipping*

$449.95 USD
$500.00 USD $449.95 USD
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Category: Thermodrain
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SKU:TDH3335B-DR-PEX

The TDH3335B-DR is the second most widely used unit for residential applications next to the TDH3335B-DR-PEX.

TDH3335B-DR-PEX  Specifications:

  • Comes with factory installed crimp PEX fittings certified to CSA B137.5 and ASTM F1807 (no soldering required)
  • This unit may be installed horizontally with a reduced efficiency.
  • 42.1% Efficiency @ 9.5 L/min (2.5 GPM) vertical installation efficiency
  • 3″ inner drain diameter
  • 33.5″ Length
  • 7.9 kW Heat Recovery
  • 16.3 lbs
  • Equipped with 2 drain couplings
  • Efficiency verified to CSA B55.1
  • Safety certified to CSA B55.2
  • Download TDH specification sheet
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