Thermo Sash 3e

(3 reviews) Write a Review
As low as $509.99

Product Overview

The Thermo Sash IIIe is a window mounted pet door with low e glass for better insulation and the weather tight Endura Flap pet door

  • Tempered safety glass
  • Endura flap system
  • Heavy duty aluminum frame
  • 7 different adjustment ranges fit 22-43 inch wide windows
  • Spring loaded for easy install/removal
  • Heavy duty locking cover included
  • 10 year manufacturer warranty - 15 year warranty on flap!
  • Engineered, designed, and made in USA
  • Frame is about 7/8" thick, the end adjuster piece that plugs into the window track on one side is 1" thick
 
This flap was named Dog Fancy's Editors Choice best pet product for 2007.
 
This pet door comes with no window lock, due to the difficulty in finding a lock that works with every type of window. One simple solution is to put a screw into the track right above the pet door so that if the door is raised the frame hits the head of the screw. This is easy to do and inconspicuous. The hole can be covered up with a small blob of silicone and its almost impossible to detect.
 
Monitors will allow for some color variance, but the satin is brushed aluminum like the bottom of a soda can, white is bright white, and black.
 
The Ideal Fast Sash is an inexpensive alternative with a less weather tight flap. The Hale Optiview is similarly weather tight with dual pane glass and has a bit more glass exposed because it doesn't have the spring loaded width adjuster.

CLICK HERE FOR INSTALLATION INSTRUCTIONS
 

Reviews

(3 reviews) Write a Review

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  • 5
    Endura Flap Pet Door

    Posted by Unknown on Sep 24th 2019

    Extremely well build product, easy to install.

  • 5
    Love this

    Posted by Diane on Jun 8th 2017

    I have 2 dogs and didn't want to replace my beautiful patio door. This was the perfect alternative.

  • 5
    Great Product

    Posted by Tamara G. on Apr 3rd 2013

    5 years ago, I purchased a Thermo Sash 3 small pet door from you folks. I just wanted to send a quick note to say that, while some products become a disappointment over time as they age and wear out, your product continues to be great quality. Thanks for a great product!