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This In-The-Wall Dryer Vent Periscope is designed to fit between the studs inside the wall of your laundry room to carry the exhaust air into the attic or floor space. It features one male snap-lock fitting and one female snap-lock collar and mounting strap; (2) clamps are also included. This accessory is designed to be used with many major dryer brands; check to see if your model number is compatible. Installing this accessory will require basic hand tools, some disassembly of the appliance and novice repair experience. You must unplug the appliance or shut off the house circuit breaker before installing this accessory.
From the Manufacturer
This item is designed to fit between the studs inside the wall. It does a great job of carrying the exhaust air through the top plate and into attic/floor space. You should use the 4" aluminum vent to complete the run to the outside. This dryer vent rough-in system has (3) 2-1/2" clearance telescoping sections that extend from 29" to 77". It also has one male snap-lock fitting, one female snap-lock collar and mounting strap, as well as all-metal rigid construction that meets most in-wall codes.
Jon S
Reviewed in the United States on March 8, 2025
This did the job! Dryer moved so much closer to the wall. Just moved and took this device with me. When I removed it two years later no lent was found and clean as a whistle. Be sure to use foil tape as it adds strength and seals the seams where pieces slide together.
jackit52
Reviewed in the United States on February 24, 2025
Perfect way to redirect dryer vent into wall and under porch without all the visible piping.
Adam
Reviewed in the United States on November 19, 2024
I was tight in space and this was the perfect solution. We built a laundry room in the bathroom and depth of the drywer with the placement of the old duct made it impossible for the dryer to fit in the space. We opened uo the wall and cut out a partial plate to run this chase thru the wall and into the craw space. We then used the magnet system to make the connection to the dryer. Works amazingly!
GPMonte
Reviewed in the United States on January 30, 2024
I don't understand why they advertise this "Whirlpool 4392892 Genuine OEM In-The-Wall Vent Periscope For Dryers" as being 10" inches wide. It's NOT. As you can see from the photos, it's clearly 2" deep by 6" wide. This is NOT legal for in-wall installation in the USA. The mechanical code requires the equivalent of a 4" diameter pipe or tube (approx. area of 12.5") at a thickness greater than 28 gauge. This flimsy duct is not as advertised nor is it compliant for use in a wall. Why would anybody want such a thing outside the wall unless the dryer fully concealed it? Most dryers are no taller than 40". Had this been as advertised it wouldn't have been perfect (at only 77" overall) but it would have been useful and code-compliant only if you're on an exterior wall. Otherwise, from the centerline of the dryer outlet at 4" above the floor... you would still need more than one of these kits to use in-wall to get through the top plate and into the attic where you can connect it to a roof vent. BUYER'S BEWARE!!!
MplsBuyer
Reviewed in the United States on November 30, 2021
I bought this because I needed a slim in wall installation. ANd this is a WHR accessory so at least meets their standards.It has pieces to be very flexible. With an input 90 degree section, and output 90 degree section, an additional piece to go in the middle to extend longer distances, an additional offset piece to connect dryer to the in wall section, and some strapping pieces, and a nail protection plate to keep the drywaller from poking screws (lint catchers) into the unit.Overall was a bit flimsier than I had hoped, but will do the job.If you need the two piece parascope pieces only (I think it was up to 50") the pieces fit together really easily. But if you need to put the additional middle section in, makes it a big more of a science project.The problem is piece #1 has a male output. Piece #3 has a female input. But the middle piece has two male ends. So where piece #1 and #2 goes together requires a bit of finagling (bending).Connect it with a high quality aluminum duct tape because using screws will be a lint catcher inside. Make sure and reinforce where the round sections meet the square sections with some aluminum tape so they don't come apart.You'll likely want to buy a better quality 4" hose clamp to connect the dryer to the parascope input. The one included is a super flimsy screw through a strap of sheetmetal....kind of useless. Not sure it would even be strong enough to squeeze the round tube without slitting the tube.The 90 degree elbows are very slim to fit into a 2 x 4 wall, so pretty abrupt. I wouldn't put many more elbows on other than this unit, as they likely add quite a lot of equivalent pipe length.Decent price if you are considering using all the pieces, but maybe a bit overpriced if using part of them, and having to do rework to make them fit, and buy additional clamps.But for my installaltion, in the end, it all worked and produced a clean install.
AB
Reviewed in Canada on January 7, 2019
This does not stretch out to the length it suggest. What a gong show to put it together. Would not spend the money on this again. Less headache just go buy the ductwork and do it yourself.
Marc T.
Reviewed in Canada on April 23, 2019
Fait en petit métal très mince, très fragile et brise facilement
KitchenQueen
Reviewed in the United States on March 9, 2015
My dryer is finally drying clothes as it should, versus taking 2 hours to dry a load! And no more dryer fires, overheated and burned out elements, and constantly having to call a repair person!I have a 6 foot rise from the bottom of my dryer to the exit vent. I have been using the common round coiled flexible dryer vent hose that is so cheap and sold in big box hardware stores. It has been very inadequate, collecting tons of lint, needing constant cleaning, and each little ridge in the coils collects condensation. It's been very hard on my dryers. My first dryer needed new heat sensors every 1 or 2 years, and has gone through 2 elements. Then I had a dryer fire. I thought it was the dryer. So, I bought a new high end dryer, hoping my problem was solved. Not. My new dryer is showing the same signs of problems. Taking 2 hours to dry a load. Huge lint build up. I decided to research my venting, and chose this rigid vent kit because it sounded like it would solve my problems.So far, I'm very happy. My clothes dry quickly, and I see minimal lint build up. I had this professionally installed. I know this is for an "in wall" installation, but I have installed it against a wall, and it's exposed. It's not pretty, but my laundry room's in the basement and strictly utilitarian. I want things to operate efficiently and safely. From that standpoint, it's working like a champ; I wish I bought this several years ago. It probably would have saved me a lot of money.I had a local appliance service come in and install it correctly. My total investment with purchase and installation was about $165.00. I know that sounds expensive, but it will save me from a dryer fire, and having to (again) replace my dryer
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