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TB Boxes : Plastic Transition Boxes

Air conditioning installation transtion boxes.

Here is where you will find a vast array of plastic transition boxes used to finish your installation.  Sizes will mate to you supply air vent size.  

Sizes and options can be located below.  On the transition boxes, the first portion equals the vent size.  The second portion equals the hose size.  The last portion equals where the hose/ring comes off the transition box. 

Example:

TB86-6B = 8" x 6" transition box (supply air vent size) with a 6" ring (ducting to connect here) off the back of the box ("B" ).  Photo above.   

  1. "TB" = transition box
  2. "86" = 8" x 6" vent size
  3. "6B" = 6" ring off the back

Example #2:

TB44-4E = 4" x 4" transition box (supply air vent size) with a 4" ring (ducting to connect here) off the end/side.

  1. "TB" = transition box
  2. "44" = 4" x 4" vent size
  3. "4E" = 4" ring off the end/side

BASE PRICE IS FOR CERTAIN SIZE VENTS - ADDITIONAL COST APPLIES TO LARGER TRANSITION BOXES.  SEE "ADDITIONAL COST" BELOW FOR TOTAL ON PRODUCT.  

TB Boxes Base Price: $34.75

Select Product Options Below:


Plastic Transition Boxes Specifications

Download this product sheet as PDF

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