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HEATFLOW CONVECTION KIT INSTALLATION

This wood burning fireplace is approved for use with a HeatFlo Convection 

Kit (hot air ducting system).

NOTE

:  If the Clean Face facade is to be used, a HeatFlo Kit designed 

specifically for this fireplace MUST be installed. See INSTALLATION AC-

CESSORIES section for available kits.

KIT CONTENTS (See 

Figure 20):

The Ducted Flex Kit must use both hot air outlets and includes:

2 ea.  Wall Thimble Assembly (item #1) 

2 ea.  Duct Adaptor (item #2)

2 ea.  Duct Ring (item #3)

8 ea.  #6-18 X 2 Drywall Screw (item #4)

22 ea.  #10-16 X 3/4” Hex-Unslotted Drive Zinc Finish 

 

Self-Drilling Screw (item #5)

2 ea.  2 Ply 8” Dia. X 10’ Aluminum Flex with R4 Insulated Sleeve (item #6)

2 ea.  Grill, White (item #7)

4 ea.  #6-18 X 1-1/2 White Oval Head Zinc Plated Phillips Screws (item #8)

1 ea.   Instruction Sheet

TOOLS NEEDED:

5/16” hex driver and no. 2 Phillips screwdriver

EPA Fireplace - HeatFlo Convection Kit

Cat. No.

Model

Description

F3790

EPA-HEATFLO-KIT 

EPA Heatflo Conv. Kit

Table 2

GENERAL INFORMATION

If you encounter any problems, need clarification of these instructions 

or are not qualified to properly install this kit, contact you local distribu-

tor or dealer.

Read this instruction sheet in its entirety before beginning the installation.

ALL WARNINGS AND PRECAUTIONS IN THE INSTALLATION AND 

OPERATION MANUAL PROVIDED WITH THE APPLIANCE APPLY TO 

THESE INSTRUCTIONS.

TURN OFF THE APPLIANCE AND ALLOW IT TO COMPLETELY COOL 

BEFORE PROCEEDING.

Figure 20 - General Assembly

2 Ply 8" Dia X 10' Aluminum Flex With 

R4 Insulated Sleeve (Qty 2)

See 

Detail A

See 

Detail B

(Item #6) 

#6X1-1/2 White Oval

Head Zinc Plated Phillips

Screw (Qty 4)

Wall Thimble

Assembly

(Qty 2)

Grill White (Qty 2)

#6-18 X 2" Drywall

(Qty 8)

Detail A

Duct Adaptor

(Qty 2)

#10-16 X 3/4" Hex-Unslotted

Drive Zinc Finish Self-Drilling 

Screw (Qty 22)

Detail B

Duct Ring

(Qty 2)

(Item #5)

(Item #3)

(Item #2)

(Item #7)

(Item #8)

(Item #4)

(Item #1)

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

17

Summary of Contents for WCT4920WS

Page 1: ...s This installation manual will enable you to obtain a safe efficient and dependable installation of your fireplace system Please read and understand these instructions before beginning your installat...

Page 2: ...Air Intake Pipe 4 10 16 x 3 4 Tek Screws Safety Metal Strip Top standoff assembly loose on top of unit PARTS REQUIRED Fireplace Model 6 diameter chimney United States Model IHP Snap Pak including Chim...

Page 3: ...it is burning WARNING Always ensure that the air inlet to the fireplace is free from debris and any other obstructions that can block the entrance of air WARNING Neither the manufacturer nor the sell...

Page 4: ...ne normally used since it will deposit the least amount of creosote on the glass and in the chimney The combustion air control must be 3 4 closed and pushed in to close the air boost The precise WARNI...

Page 5: ...protectors metallic paper coal plastic waste beach wood Christmas tree sul phur and or oil will damage the fireplace G Donotburndriftwoodwhichhasbeeninthe ocean or salt water The salt will corrode th...

Page 6: ...If you wish to clean it yourself werecommendusingastiffplastic or non metallic brush If a metal brush is used its size should be slightly smaller than the flue to avoid damaging the chimney Do notuse...

Page 7: ...greenorfreshlycuthardwoods DONOTBURN Garbage Lawn clippings or yard waste Materials containing rubber including tires Materials containing plastic Wastepetroleumproducts paintsorpaintthinners or aspha...

Page 8: ...specifically designed for this fireplace The fireplace cannot be operated with out door Consult your dealer to select the correct replacement door Important Toassureproperalignment of glass doors Ins...

Page 9: ...the other half must extend on the floor over which the hearth extension will be built see Figure 8 The safety metal strip must cover the entire width of the fireplace The combustible floor in front of...

Page 10: ...t of the unit for the hearth extension and the mantel and taking into consideration the location of the hot air ducts optional outside air kit and chimney Ifpossible youshouldchoosealocationwhere thec...

Page 11: ...y facing material installed on the front of thefireplace Ifthickermaterialisinstalled use the facade as a template and make sure it can be easily removed for servicing Outside Chase Zero Clearance fro...

Page 12: ...d in the same man ner using the same insulation as the rest of the building below the attic 7 Ft Min Attic Radiation Shield Roof Support Storm Collar Flashing Drywall or Any Rigid Material 2 x 4 Firep...

Page 13: ...stible Material Inches millimeters Drywall Facade Facade Facade Facade Drywall Drywall Jack Stud Jack Stud Jack Stud Jack Stud 32 1 2 826 32 1 2 826 31 1 2 826 22 3 8 569 28 3 8 721 28 3 8 721 Louvere...

Page 14: ...sing the side nailing flange as semblies shown in Figure 14 Fireplace Side Nailing Flange 2 places each side Unbend to floor and nail screw Figure 15 Non Combustible Mantel Rock Board or Other Noncomb...

Page 15: ...andirons from inside the firebox Figure 17A 4 Remove the bottom refractory panels pieces 1 and 2 Figure 6 Page 8 Remove the 14 Cap screws with a 5 32 Allen Key see Figure 17B 5 Unplug the blower Figur...

Page 16: ...e and the air inlets Carefully push the insulation and plastic cover back over the pipe Using aluminium tape fasten the plastic cover in place Figure 19A Outside Connection Figure 19B Aluminum Tape Al...

Page 17: ...A Fireplace HeatFlo Convection Kit Cat No Model Description F3790 EPA HEATFLO KIT EPA Heatflo Conv Kit Table 2 GENERAL INFORMATION If you encounter any problems need clarification of these instruction...

Page 18: ...1 280mm Min Duct Ring Duct Adaptor Tab It is recommended that the ducted flex kit duct system be installed in the following order 1 Plan and frame fireplace and outlet locations prior to ducted flex k...

Page 19: ...e outlet grill The minimum height from thebottomoftheunittothecenteroftheoutletis68 1 7m with the minimum distance from the center of outlet to the ceiling and for the center of the outlet to a side w...

Page 20: ...having the chimney supported by the supports The maximum chimney length that can be supported by the fireplace is nine 9 feet 2 75 m 6 The chimney must extend at least three 3 feet 915 mm above its po...

Page 21: ...er of equal size to the joist should be used Figure 26 FEMALE END MALE END BUTTON LOCK ATTACH FOR LOCK Figure 27 INSULATION SHIELD CAT NO SPIS NAIL FIRESTOP CAT NO SPFS Chimney Flue Diameter 6 A 12 7...

Page 22: ...ance to combustibles AT THIS POINT TIGHTEN CLAMPS 11 Slide IHP chimney pipe into top of tee Align male and female ends Push down on pipe sec tions until locked As sections are added it will be necessa...

Page 23: ...all the next SP chimney section through the roof See Figure 32 NOTE If your roof is already shingled be sure to slide the upper edge under the shingles to prevent leakage 3 Install a bead of caulk aro...

Page 24: ...verse wind conditions etc may create a need for a taller chimney should smoking occur Additional support is required above the roof if the chimney height exceeds four 4 feet Select the proper support...

Page 25: ...place is normally supplied with a chimney adaptor suitable for use with IHP SnapPak venting In Canada the use of Security Chimneys ASHT adaptor is required Security part number 6IHP1 or 6IHP2 One inch...

Page 26: ...chimney at 30 3 Increase the size of the hole until a 30 liner elbow can be easily slipped through 4 Slide the liner down from the top of the masonry chimney until you reach the hole level 5 Slip thr...

Page 27: ...0 long UZI UZI EPA Fireplace HeatFlo Convection Kit Mandatory for Clean Face Facade Installations EPA Heatflo Conv Kit EPA HEATFLO KIT F3790 OPTIONAL INSTALLATION ACCESSORIES Fireplace Kits Descriptio...

Page 28: ...9 Top Standoff Header Shield Assy F4713 Damper Rod H8393 Damper Handle Extension F4784 Ash block Louvered Facades F4800 SPECIFICATIONS REPLACEMENT PARTS LIST Cat No Model No F4779 WCT4920WS Product Re...

Page 29: ...our Security Chimneys or DuraVent Distributor or Dealer for ordering information 450 973 9999 1 800 361 4909 USA 1 800 667 3387 Canada 1 800 835 4429 Security Chimneys 2125 Monterey Laval Quebec Canad...

Page 30: ...MEURER TOTALEMENT FERM E LORSQUE LE FOYER FONCTIONNE NE PAS UTILISER DE PO LE ENCASTRABLE OU D AUTRES PRODUITS NON SP CIFI S COMME TANT UTILISABLES AVEC CE PRODUIT CONTACTEZ LES RESPONSABLES DE VOTRE...

Page 31: ...l use with approved fuels listed in the Operation Manual provided with the product This includes burning such fireplace fuels as wood and natural or propane gas Fuel products with abnormal burning cha...

Page 32: ...or any questions or concerns REPLACEMENT PARTS See Page 28 for a complete replacement parts list Use only parts sup plied from the manufacturer Normally all parts should be ordered through your IHP di...

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