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3" x 60" Flexpipe Dura-Vent Pellet Vent Pro, #3PVP-60F

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3" PelletVent PRO, 60" Flexpipe.
3 Inch inside diameter from the PelletVent Pro series and 60" in flex length. It has the duralock system for a tight seal. Use for offsetting rigid pipe around the smoke shelf in a masonry chimney only. Allows for offsets with biofuel appliances. Female and Male ends have the twist-lock. Female end swivels for easy alignment. Not for use in attic or wall space.

Replacement For Part Number:
  • 3PVP-60F

UPC: 662492850787


Assembly Instructions For 3" x 60" Flexpipe Dura-Vent Pellet Vent Pro, #3PVP-60F

The pellet venting we sell is Dura-Vent Pellet Vent Pro. Pellet Vent Pro is a twist-lock pellet vent that has an integrated silicon seal within the vent. Simpson Dura-Vent, the pellet venting available in home stores like Home Depot and Lowe's (and we do not sell) is a lower grade pellet venting without the integrated silicon seal. THESE VENTING TYPES ARE MADE BY THE SAME MANUFACTURER BUT THEY CANNOT BE USED TOGETHER AND ARE NOT COMPATIBLE.

Guidelines For a Proper Installation:


  • Every pellet stove has an exhaust take-off. This is where the venting attached to the stove. The take-off determines the venting diameter and cannot be reduced. If your stove has a 4" diameter take-off, you cannot reduce down to 3" at the take-off or anywhere else in the venting configuration.

  • You must ALWAYS use an appliance adapter at the take-off. Appliance adapters in Pellet Vent Pro will end with "AD". Harman Pellet Stoves has its own adapter with "HAD" in the part number. Appliance adapter types: straight pipe, increases, and clean-out tees. All appliance adapters MUST be sealed with RTV silicone AND fastened to the take-off with screws.

  • All adjustable length venting pipes must be fastened with screws. When screws are used to fasten together venting pipe, the screws shall ONLY pierce the outer wall and not breach through the inner wall.


  • Venting seams (where two sections of venting twist-lock together) must never be concealed within a wall. Any seam that is in an enclosed or inaccessible space, must be screwed together prior to concealment.


  • Pellet Vent Pro has a 1" clearance to combustibles. Horizontal sections must be 7" above combustible floors unless shielding is used and 9" below combustibles unless shielding is used.


  • Horizontal venting rules: (1) No installation shall have more than 10 feet of horizontal venting; (2) All horizontal sections of venting must rise 1/4" over a foot for the entire span; (3) Horizontal sections of vent MUST be proceeded by followed by vertical sections at a rate of 2:1. For example: If your installation has 4 feet of horizontal travel, you must have at least 8 feet of vertical after the horizontal run.


  • A thimble MUST be used when passing through combustible walls.


  • An attic insulation shield MUST be used when passing vertically through an insulated space.


  • Venting configurations cannot have more than three 90° elbows or clean-out tees. Two 45° elbows equal one 90° elbow.


  • 3" Venting installations with more than 15 linear feet or require more than two 90° turns must be increased to 4" diameter.


  • Flexible liners can ONLY be used in CLASS A masonry chimney applications.


In addition, the following must be observed:

A. The clearance above grade must be a minimum of 12".

B. The clearance to a window or door that may be opened must be a minimum of 48" to the side, 48" below the window/door, 12" above the window/door. (with outside air installed, 9” to the side and below)

C. A 12" clearance to a permanently closed window is recommended to prevent condensation on the window.

D. The vertical clearance to a ventilated soffit located above the terminal within a horizontal distance of 2 feet (60 cm) from the center-line of the terminal must be a minimum of 18".

E. The clearance to an unventilated soffit must be a minimum of 12".

F. The clearance to an outside corner is 11" from the center of the pipe.

G. The clearance to an inside corner is 12".


H. A vent must not be installed within 3 feet (90 cm) above a gas meter/regulator assembly when measured from the horizontal center-line of the regulator.

I. The clearance to service regulator vent outlet must be a minimum of 6 feet.

J. The clearance to a non-mechanical air supply inlet to the building or the combustion air inlet to any other appliance must be a minimum of 48”.

K. The clearance to a mechanical air supply inlet must be a minimum of 10 feet. (with outside air installed, 6 feet)

L. The clearance above a paved sidewalk or a paved driveway located on public property must be a minimum of 7 feet.

M. The clearance under a veranda, porch, deck or balcony must be a minimum of 12 inches. (B. also)

NOTE: The clearance to vegetation and other exterior combustibles such as mulch is 36” as measured from the center of the outlet or cap. This 36” radius continues to grade.

A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single-family dwellings and serves both dwellings. Only permitted if veranda, porch, deck, or balcony is fully open on a minimum of 2 sides beneath the floor.


In a vertical installation where the vent pipe is visible in the room, if stove has it's appliance take-off located on the left or right side of the stove and you want to have the venting "centered" up the back of the stove, a clean-out tee may be used at a 45° angle off the back of the stove with a 45° elbow on top. The angled clean-out tee will off-set the installation left or right and the elbow will bring the venting back to center.

Off-set venting components such as elbows and clean-out tees have rotating sleeves at the bottom of each component so that venting can be locked together and spun to meet up with the next section of venting.

When adapting Pellet Vent Pro vent pipe into a flexible liner (masonry adapted installation), if you install a clean-out tee horizontally (instead of a 90° elbow), the clean-out cap can be removed to gain access to the liner for sweeping out the liner. This is much easier than taking the vent apart to clean or having to go up on the roof.

Every installation starts with an appliance adapter attached to the stove. From an aesthetic point of view, if you are doing a vertical install behind the stove, the install will look better if the venting can be as close to the stove as possible. Also, sometimes installations are "tight" with clearances and hearth pad restrictions. To help with these issues, Pellet Vent Pro offers venting components with adapters built-in. This keeps the venting close to the stove so the whole install can sit well on the center of the hearth and not have to reside out on the front edge. Component adapters include: 3PVP-X4AD (3" adapter to 4" increaser), 3PVP-TADX4 (3" clean-out tee with 3" adapter), 3PVP-T3AD (4" clean-out tee with 3" adapter)

When installing a wall thimble (3PVP-WT or 4PVP-WT), it's a good idea to have a length of vent pipe through the thimble before you fasten the thimble to the walls.



Unfortunately, sometimes products do not work like they are supposed to. We offer a 90 day warranty on manufacturer defects. Some manufacturers make this a very simple and easy process unfortunately others do not. Items must be used in accordance with the manufacturers guidelines to qualify for warranty replacement. Please be advised that warranty claims for these parts may take up to 4 weeks for processing, and customers must cover shipping.

Shipping Info

This Item Qualifies For Free Shipping!

When Will My Order Ship

All orders are typically processed within 24 hours of receiving payment and are shipped from us same day if placed before our shipping cutoff time (Monday - Friday: 1PM, Saturday: 10AM, Sunday: No Shipping), orders placed after our cutoff time are shipped the next morning.

How Does Free Shipping Work?

Most orders over $199 qualify for free shipping! Orders which ship for free are shipped with either USPS or UPS based on our discretion. If you are using a PO box, free shipping orders will always go USPS.

Is Expedited Shipping Available?

We offer both overnight and two day air shipping services for all orders placed within the Continental United States. For information on shipping cut-off times, go to our shipping page.

Do You Ship To Canada?

We ship to Canada! We estimate USPS to take 4-10 days once receiving your package from us. We do not offer expedited shipping of any kind to Canada. Please allow an extra 2-5 days for all shipments to Canada. Free shipping is not available to Canada.

Do You Ship To Alaska Or Hawii?

We ship to both Alaska and Hawaii! We do not offer next day or two day shipping to Alaska or Hawaii. Free shipping is not available to Alaska or Hawaii.

Do You Ship Outside The US Or Canada?

Unfortunately, at this time we do not offer international shipping other than to Canada.

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Customer Reviews

Based on 1 review
Shawn M.
Great product as advertised

Fast shipping, great service. Would buy from again.


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Customer Reviews

Based on 1 review
Shawn M.
Great product as advertised

Fast shipping, great service. Would buy from again.

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