DuraVent DuraTech Installation Instructions Manual Download Page 8

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3. Install Support:

For installation into a flat

ceiling, you need to use the Round Support

Box. The Round Ceiling Support Box has

the option of a square or round Trim Collar

available

(Fig 5)

. The Support Box must

extend at least 3 inches below the finished

ceiling. (do not install beyond 4-1/2” below

finished ceiling or the trim collar will not cover

Figure 5

Figure 6

ROUND SUPPORT

BOX WITH SQUARE

TRIM COLLAR

2 INCH MINIMUM

CLEARANCE TO

INSIDE OF ENCLOSURE

FRAMED

ENCLOSURE

MINIMUM OF 3 INCHES

BELOW FINSHED CEILING

CONNECTOR PIPE

TO APPLIANCE.

MAINTAIN AT

LEAST 18 INCH

FOR SINGLE WALL

STOVEPIPE

CAP

ADJUSTABLE

FLASHING

STORM

COLLAR

SQUARE

TRIM

FRAMED

OPENING

ROUND

SUPPORT BOX

CHIMNEY

SECTION

FIRESTOP

RADIATION

SHIELD

ATTIC

INSULATION

SHIELD

CHIMNEY

SECTIONS

Summary of Contents for DuraTech

Page 1: ...Installation Instructions All Fuel Chimney System 10 to 24 diameter DuraTech ...

Page 2: ...arranty and may have an effect on your homeowner s insurance and UL listing status Keep these instructions for future reference Dear Customer Installer or End User I welcome any comments regarding matters pertaining to our DuraVent products I welcome any ideas input or complaints and I ll make sure that someone responds directly back to you Send your emails to president duravent com If you are sea...

Page 3: ...ents 5 Appliance Recommendations 6 Ceiling Support 7 Elbow Offset Installation 12 Tee Supported Installations 14 Masonry Fireplace Installations 18 Chimney Maintenence 21 Typical Installations 23 Warranty 21 DuraTech All fuel chImney system for 10 24 dIAmeter For the most up to date installation instructions see www duravent com ...

Page 4: ... with ULC S604 DuraTech Chimney 1700 F is available in 10 through 24 diameters Do not use with forced draft positive pressure appliances The DuraTech Chimney system is designed to extend vertically with a maximum of one 1 offset two elbows total of up to 30 from vertical DuraTech Chimney is listed under UL Re examination Service Number MH7399 EQUIPMENT MATERIALS Drill Driver Hammer Caulking Gun Pl...

Page 5: ... building and at least two feet higher than any portion of a building within ten feet Fig 1 10 24 diameter DuraTech Chimney may be installed up to 40 feet high when using a Support Box and up to 30 feet high when using a Tee Support DuraTech in diameters 18 24 diameters is intended to be mounted directly to an appliance or masonry fireplace and is limited in height by the allowable weight of the s...

Page 6: ...low sulfur content will reduce the possibility of corrosion STEP BY STEP DIRECTIONS There are three general types of DuraTech Chimney installations 1 Ceiling supported 2 Tee supported through the wall 3 Masonry Fireplace Review the step by step directions before beginning your installation Figure 2 ATTIC INSULATION SHIELD FIRESTOP RADIATION SHIELD INSIDE ENCLOSURE MUST HAVE 2 INCHES OF CLEARANCE B...

Page 7: ...framing and clearance dimensions Mark appropriate cutting lines around the center point Cut a square hole in the ceiling for the Support Box Frame a level square opening centered over the hole which you have cut Figures 3 and 4 Figure 3 Figure 4 MINIMUM OF 3 INCHES BELOW FINISHED CEILING CONNECTOR PIPE GOING TO APPLIANCE ALWAYS MAINTAIN A MINIMUM OF 18 INCHES CLEARANCE TO COMBUSTIBLES FOR SINGLE W...

Page 8: ...eyond 4 1 2 below finished ceiling or the trim collar will not cover Figure 5 Figure 6 ROUND SUPPORT BOX WITH SQUARE TRIM COLLAR 2 INCH MINIMUM CLEARANCE TO INSIDE OF ENCLOSURE FRAMED ENCLOSURE MINIMUM OF 3 INCHES BELOW FINSHED CEILING CONNECTOR PIPE TO APPLIANCE MAINTAIN AT LEAST 18 INCH FOR SINGLE WALL STOVEPIPE CAP ADJUSTABLE FLASHING STORM COLLAR SQUARE TRIM FRAMED OPENING ROUND SUPPORT BOX CH...

Page 9: ... the roof directly above the opening below and at least 4 inches larger than the chimney s outside diameter to provide at least a 2 inch clearance all around the chimney The chimney must be centered within this opening and maintain the 2 inch clearance to combustibles Figure 7 Table 2 Inside Square Framing Dimensions X x X Chimney Diameter 10 12 14 16 18 20 22 24 chimney inSide diameteR 16 1 4 18 ...

Page 10: ...roof trim the Roof Rafter Shields with tin snips so they provide complete coverage of the roof framing exposed to the chimney Secure the Roof Radiation Shields to the top of the framing members using at least 3 nails or screws for each shield Fig 8 8 Assemble Chimney Sections Lower the female end of the first Chimney Section in the Support Box Fig 9 Sheet metal screws are not required between the ...

Page 11: ...ghten the bolts to secure the Collar in place Fig 11 10 Attach Flashing In new construction assemble the Chimney Sections to a point above the roof then slip the Flashing over the chimney On an existing roof center and install the Flashing before extending the chimney above the roof Allow space to permit sliding the next Chimney Section up through the Flashing Always ensure the chimney remains ver...

Page 12: ...racket section If you are located in heavy snow country a snow splitter should be used to protect the chimney by routing snow around the pipe DuraVent offers a Snow Splitter or one can be fabricated locally from heavy gauge sheet metal Fig 14 12 Enclosures Enclose chimneys where they pass through occupied spaces including closets Always maintain at least a 2 inch clearance between the chimney and ...

Page 13: ...l screws provided Attach one Elbow to the Chimney Section below and align it for the offset Refer to Table 3 to determine the required offset length and attach an appropriate length or lengths of Chimney Section s above the Elbow For each Chimney Section in the offset an Elbow Strap must be used to support the weight of that pipe section The total offset distance can not exceed 50 of the total chi...

Page 14: ...he Adjustable Leg to ensure a secure fit In order to secure Legs in proper position there is a hole provided in the outer leg where the outer and inner halves overlap Use a 1 4 drill bit to drill through the inner leg at that location Use the nut bolt provided to pin the Adjustible Legs in position 3 Install Roof Brackets Mount the two Roof Brackets where each of the Adjustable Legs meets the roof...

Page 15: ... MUST PENETRATE A MINIMUM OF 6 INCHES INTO ROOM WALL THIMBLE ASSEMBLY FINISHING COLLAR CHIMNEY SECTION CHIMNEY TEE 1 4 X2 LAG SCREWS 3 REQUIRED TEE CAP RETAINING BAR BOLTS FOR RETAINING BAR of connector pipe until you have the desired configuration refer to the appliance manufacturer s installation instructions for restrictions on connector pipe Cut and frame an opening in the inner and outer wall...

Page 16: ...nd Branch Attach the Chimney Branch to the Tee The Chimney Branch is 12 or 18 Chimney Section depending on your wall thickness positioned horizontally used to pass through the wall Important The Chimney section used to penetrate through the wall must extend at least 6 into the room Secure the Chimney Branch to the Tee by using the 6 sheet metal screws provided It is very improtant that a good conn...

Page 17: ...1 for Ceiling Supported Installations Another option is to cut away the overhang for a 2 inch clearance Fig 22 If the chimney extends more than 4 feet above the top Wall Strap or Flashing use an Extended Roof Support Bracket 8 Install Chase Top Flashing It is recommended that a Tee Supported Chimney be enclosed in a chase If a chase enclosure has been constructed you can either use a standard flat...

Page 18: ...isplays in some detail how these air gaps are established using the Spacers and Chase Top Flashing Secure the Chase Top Flashing to the chase using a sufficient number of 8 1 1 2 wood screws being careful to insure the air gap is maintained between the flashing and the chase Seal the screw heads with non hardening sealant Install the Storm Collar directly down on top of the collar of the Chase Top...

Page 19: ... Mount the Lintel Hook to the masonry with the screws provided 4 Attach Chimney Attach the first Chimney Section onto the Anchor Plate by using the sheet metal screws provided 5 Finish Chimney Install the rest of the chimney as directed in the Ceiling Supported Installation section Steps 4 through 11 Refer to Figure 1 and Table 4 for chimney height requirements Always maintain at least 2 inches of...

Page 20: ...hows fireplace opening as 36 wide 12 diameter pipe The correct flue size for the sample problem is Dotted line represents sample problem T T W W H H HEIGHT W IDTH FEET HEIGHT CHIMNEY FIREPLACE OPENING INCHES 8 7 6 30 16 14 20 8 10 15 12 10 50 40 30 24 48 60 36 42 72 36 30 42 24 48 18 18 20 22 24 20 18 60 72 84 84 ...

Page 21: ...to the previous chimney section The Tee Cleanout Cap can be removed once the retaining bar has been unbolted Remember to replace the Tee Cap and retaining bar when you are finished cleaning the chimney 5 Coal To reduce corrosion in chimneys where coal is burned clean the chimney thoroughly within 48 hours of shutting down the appliance for the season 6 Chemical Cleaners Use chemical cleaners only ...

Page 22: ...22 ...

Page 23: ...23 TYPICAL INSTALLATIONS 7 Fireplace Cathedral Ceiling Attic Offset Oil Furnace Through the Wall Two Story ...

Page 24: ...weep orVenTInOx installer The Liner and Components warranty is further subject to compliance with the following requirements throughout the warranty period The chimney must have a chimney cap and chemical chimney cleaners must not be used when cleaning the Liner or Components Plastic bristle flue cleaning brushes are recommended Corn biofuels driftwood or other wood containing salt preservative tr...

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