SureFlap Tunnel Extender for Microchip Pet Door

SKU# 04SFpd

  • Tunnel liner for the SureFlap Microchip Pet Door and Connect Pet Door
  • Each liner adds 2" to the framing range of the door
  • Available in brown or white 

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Stock No: 04SFpd

Availability: In stock

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SureFlap Tunnel Extender for Microchip Pet Door
White SureFlap Tunnel Extension for wall mount conversions

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  • Tunnel liner for the SureFlap Microchip Pet Door and Connect Pet Door
  • Each liner adds 2" to the framing range of the door
  • Available in brown or white 

SureFlap Microchip Pet Door Tunnel Extender

This extender is used to allow installation of the SureFlap Pet Door or Pet Door Connect in walls of any thickness. Each Tunnel Extender adds approximately 2" (50 mm) to the self-framing dimension of the SureFlap Pet Door.

The Pet Door will frame out up to 2 3/4". Add enough tunnel extenders to equal at least the full thickness of your wall.

Frame colors available are white and brown.

Customer Reviews

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  • Awesome review by Nancy W
    5 5 Awesome

    Just what we needed to put the door in our wall. Bought 2 since the wall is around 4"

    (Posted on 1/5/2018)

  • Perfect Fit! review by Terrance
    5 5 Perfect Fit!

    These tunnels were a perfect fit for my SureFlap Microchip Pet door. Clean and easy install to make a tunnel from the inside of my house to the outside. A little duck tape on the outer side (in the wall so you can't see it) and it's secure and water resistant.

    (Posted on 12/21/2017)

  • Measure first! review by Anthony
    5 4 Measure first!

    Wall ended up being wider because I assumed it was "standard" and it wasn't. Should have measured first before being left with a hole in the wall and an extra shipping charge. The product is really nice and looks like it will work well though.

    (Posted on 12/21/2017)

  • Love this door! review by E&W
    5 5 Love this door!

    The extender was definitely needed for us since we placed it on an outer house wall. One did nicely and it looks neat and worked perfectly. Love the micro-chip door and it is working so far perfectly! Would recommend!

    (Posted on 8/28/2015)

  • Flap works in Wall install review by Mauiwillie
    5 5 Flap works in Wall install

    I bought two Sureflap Microchip Pet Doors; one for the home to the garage and a second for the garage to the outside. One install was on a door and the other was through the house wall to the garage. I also bought and used the Tunnel Extender which easily finished off that pet door installation. The product is well designed, easy to program, and allows me to prohibit my cat from leaving my home from 6 Pm to 6 Am. This cuts down on the exposure of my cat to outside varmints and some troublesome stray cats which travel during the night. My cat easily adapted to the Sureflap flap design without any major problems. The noise at the latching of the flap doesn't seem to bother him; on the contrary, he seems to happily listen for it in the morning so he knows he can easily leave my bed and slip outside before breakfast.

    (Posted on 12/15/2013)

Weight 20.0000
Manufacturer SureFlap
Fit SureFlap Microchip Pet Door

Installing the SureFlap Microchip Pet Door Through a Wall

Note: You need to purchase the pet door along with the wall kit.

Click below to expand:

This tunnel kit for sureflap microchip pet door will also work with the sureflap connect model that was just released.

The Sure Flap Tunnel adds 2 inches to the pet door which is 2 3/4" thick. If the total you need is a greater thickness than your wall, you can trim one.

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SureFlap ™ Cat Door Guarantee

Guarantee  SureFlap ™ microchip cat flaps carry a 2-year guarantee from the date of purchase, subject to proof of purchase date. The guarantee is restricted to any fault caused by defective materials, components or manufacture. This guarantee does not apply to products whose defect has been caused by normal wear and tear, misuse, neglect or intentional damage.

In the event of a part failure due to faulty parts or workmanship, the part will be replaced free of charge during the guarantee period only. At the manufacturer's discretion, a replacement product may be provided free of charge in the case of a more serious malfunction. Your statutory rights are not affected.

Disclaimer The SureFlap™ microchip cat flap incorporates selective entry features which have been designed to minimize the risk of unwanted animals entering your home. However, it is not possible to fully guarantee the exclusion of all other animals in all circumstances.

In the rare event of an unwanted animal gaining access to your home, SureFlap cannot accept liability for any damage or inconvenience which may be incurred.

Warning The motorized catch and manual lock are provided exclusively to prevent the entry of unwanted animals and is not a security device. SureFlap Ltd cannot accept liability for unintended use and the owner of the product accepts full responsibility for supervising the access in and out of the home that it provides.

In households with children, it is essential to include the cat flap in child-proofing considerations. Misuse of the cat flap by a child may result in the child coming into contact with potential dangers. For this reason, young children should be monitored at all times when in the immediate vicinity of the cat flap.

Caution Prior to installation, it is the responsibility of the user to consult all building codes which may influence the fitting of the cat flap and assess the suitability of a given installation. The user must also consider potential hazards present inside or outside the cat flap as well as the impact that subsequent modifications to your property may have on the existence and use of your cat flap. It is recommended that these assessments are conducted in consultation with a construction professional.

Do not install SureFlap ™ in a fire door as it will render the fire door unfit for purpose.