Johnson was around the 1950's. The company that produced Johnson pet doors was bought by Petsafe (Radio Systems), who then produced the same design under the name Petsafe Ultimate. These doors were later discontinued and replacements are no longer made. A company by the name of Pride produces a pet door of similar design, and their flaps have been used to successfully replace the flaps in hundreds of Johnson and Petsafe Ultimate pet doors! As late at the early 2000's, the Johnson extra-large was identical to the Pride extra-large except for the material of the flap and the locking cover. , which attaches differently at the top. Some people have been able to modify this flap to work in their pet doors, but it will not be a simple installation like with the medium, large and extra-large.
Madeleine's Dogs: Ultimate Pet Door by Petsafe
Owning a pet can be a very rewarding experience. Countless studies have proven that having an animal companion can lower heart rates, improve health, and increase overall happiness. To keep a dog healthy and happy, it is critical the pet gets adequate exercise and time out of doors. Dog doors can eliminate disruptions to an owner’s schedule by permitting the dog unattended access to the yard.
As dog doors can vary greatly in price depending on the construction, quality, energy efficiency, and manufacturer, a potential buyer is advised to do a bit of research before making a purchase. Best practices are to determine the location of the door, measure both the dog and the installation area, evaluate product reviews and buyer ratings, evaluate energy efficiency needs, and compare prices.
With its wide variety of dog doors and vast number of products for sale, eBay is an excellent place to shop for a dog door. With wish list in hand, buyers can browse and pinpoint products, ultimately finding the right dog door for their pet’s needs.
9-1238 Ultimate Pet Door by Petsafe
Convert your sliding glass door into an automatic pet door in less than 30 minutes!
Most pet doors for sliding glass doors take up to 13 inches of the door opening so that us humans can no longer use the door. Plus these types of doors use a flap system which is not energy efficient and can allow other animals to enter your home.
There is an answer to these problems. If you are tired of getting up when your pet wants in or out, the AutoSlide Ultimate Patio Pet Door is the solution! With 2 wireless Infra-Red motion sensors, your pets can come and go whenever they need to. You can even program the AutoSlide to open your door just enough to suit the size of your pet!
The AutoSlide is a weatherproof, hands-free automatic sliding door system that you attach to the top or bottom of your existing sliding glass or screen door, or internal pocket/cavity doors to enable the door to open automatically as you or your pet approach and then closes automatically as you walk away. It is a compact D.I.Y (do-it-yourself) system that has a low voltage DC power supply that you plug into a wall outlet. If you can use a screwdriver, you can install the AutoSlide. Learn more at
Petsafe Ultimate Pet Door, Small | What's it worth - Terapeak