1-1/4" Threaded Spirotrap Dirt Separator


Brand: Spirotherm

Mfr Part#: TDN125FT

Availability: Out Of Stock
Usually ships: Upon availability
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$120.95 / each & Free Shipping
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1-1/4" Threaded,  Spirotrap Dirt Separator (Spirotherm# TDN125FT), employs the patented Spirotube® barrier medium that creates a low velocity area, forcing the dirt particles to sink down to the dirt collection chamber, without blocking the main flow.


Spirotrap Dir Separators are especially effective in heating systems which contain large amount of cast iron components, such as radiators, circulator pumps, pipes, fittings, etc.


A user specified removable head is available for access to the Spirotube bundle for inspection or cleaning.


Installation manual included.

Technical Specifications:

  • System connections: 1-1/4" FNPT;
  • Bottom drain: 3/4" garden hose thread;
  • Max. operating pressure: 150 PSI;
  • Max. temperature: 270F;
  • Flow at 4ft/sec. velocity: 15 GPM;
  • Weight: 3.5 lbs.


20 year limited warranty by the manufacturer.
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