What is a dryer periscope?

Asked By: Hossain Sanditen | Last Updated: 24th June, 2020
Category: home and garden home appliances
4.3/5 (253 Views . 34 Votes)
A periscope dryer vent let the dryer sit closer to the wall, and the smooth metal collects less dryer lint than a flexible dryer hose. In most cases, you will need a new dryer vent exhaust opening through the wall to the outside, as older, flexible hose exhausts are often directly behind the dryer exhaust.

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Consequently, what is a periscope dryer vent?

Smart Choice Adjustable Dryer Vent allows you to connect your dryer to your wall vent. Adjustable periscope can extend from 0 in. to 5 in. and pivots 180° for direct/offset applications. Includes adjustable periscope which vents from 0 in. to 5 in.

Also, how do you vent a top dryer? Slide one elbow joint on the top dryer output and one on the outside vent; use the solid end of the joint instead of the crimped end. Measure the distance in between. Deduct the size of an elbow joint if you need to add another corner in duct design to reach the outside vent.

Also to know, how long should a dryer hose be?

A rule of thumb to follow is that it should have a maximum length of 25 feet. If you have to bend the duct into a 45-degree angle, you should remove 2.5 feet per bend.

What is the best dryer vent hose to use?

Top 10 Dryer Vent Hoses Ultimate Table

Name Length Rating (1-5)
Name Length Rating (1-5)
1. Dundas Jafine BTD48TC ProFlex Clothes Dryer Transition Duct UL 2158A Listed & Marked 8 feet 4.6
2. iPower 4 Inch by 8 feet duct, for dryer vent hose transition, Temperature range from 0 to 185+ °F, 2 clamps included 8 feet 4.5

27 Related Question Answers Found

How does periscope dryer vent work?

A periscope dryer vent let the dryer sit closer to the wall, and the smooth metal collects less dryer lint than a flexible dryer hose. In most cases, you will need a new dryer vent exhaust opening through the wall to the outside, as older, flexible hose exhausts are often directly behind the dryer exhaust.

How do you flush a washer and dryer to the wall?

If your dryer has side exhaust capabilities, you can move the dryer close to the wall, relocate the exhaust opening through the wall and reroute the vent hose to give your dryer a close fit in the laundry area.

How much are dryer vents?

Cost of a New Dryer Vent
Item Total
Vent Kit (transition duct, clamps, wall sleeve & indoor or outdoor vent) $10-$30
Total Materials Cost: $40-$60
Labor Cost: $40-$140 ($20-$25/hour for 2-4 hours)
Total Project Cost: $80-$200

What happens if dryer vent is not connected?

If you have a loose dryer vent hose that isn't securely attached to your dryer, you must reattach it to ensure that the exhaust, moisture and residual lint from clothing and linens have an escape route out of the room. As long as your dryer vent pipe isn't cracked or damaged, securing it is a simple task.

How do you vent a stacked dryer?


The instructions for the dryer vent recommend either semi-rigid or rigid metal pipe, show one side view image of a floor mounted dryer with an elbow at the dryer outlet, an elbow at the wall vent port above the top of the dryer and a straight pipe between the elbows.

Can a clothes dryer sit on the floor?

3. Have Your Machine Standing On Uneven Ground. In order for your dryer to function properly, it must be on level ground. If you have any doubt whether the floor in your garage or laundry room is flat beneath your appliance, use a leveling device to check this out.

What is the best kind of dryer vent hose?

Dryer venting tips and practices
  • All dryer ducting must be a minimum of 4" in diameter.
  • Flexible transition hose between the dryer and the wall outlet should be either the foil type or the aluminum flexible duct (most preferred).
  • Concealed ducting must be rigid metal (galvanized or aluminum) duct.

What is code for dryer vent?

The maximum length of a 4-inch (102 mm) diameter exhaust vent shall not exceed 35 feet (7620 mm) from the dryer location to wall or roof termination, and shall terminate with a full opening exhaust hood.

How do you know if your dryer vent is clogged?


How To Tell If Dryer Vent Is Clogged
  1. Excess Dry Times. One of the first signs that your dryer vent is clogged is when your clothes are no longer fully drying during a regular dry cycle.
  2. Burning Smell. Have you noticed a burnt odor coming from your dryer whenever you have a load going?
  3. Hot Exterior.
  4. Sizable Lint.

Where is dryer vent located?

Find your dryer's exhaust vent on the back of the appliance. Gently pull the vent pipe away from the wall duct. If your dryer is electric you should be able to push the appliance out of the way without any issues. This will open up more space to work.

How much space do you need behind dryer?

The other aspect to take into consideration is leaving adequate space behind your washer or dryer. Both washers and dryer require a significant space for their water hoses and hookups. Dryers also need extra space for adequate ventilation. Around six inches of space behind your washer and dryer is ideal.

Can you duct tape a dryer vent?

Dryer vents should be sealed with foil tape as they can withstand the high temperatures encountered during machine use. Other tapes, even duct tape, are susceptible to failure under the extreme heat. Non-foil tape can also catch on fire.

Can you put a dryer vent in the wall?


Dryer vents should not be installed in ways that make them difficult to clean and inspect. Any vent in a wall cavity should be made of solid metal, with all joints sealed with metallic tape. When possible, it is safer to have vents exposed, as short as possible, made with metal duct with a minimum of bends.