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Isokern
Installation, Operation, Maintenance and Owner's Manual
Isokern Vent-Free Models 81036, 81042 & 81046
IMPORTANT: This manual contains assembly rules, installation steps and guidelines, use and maintenance
instructions for the Isokern Vent-Free Gas Firebox (Vent-Free Series). This manual must become the property of
and be reviewed by all current and future users of this product. It is the responsibility of the distributor, general
contractor and the installer of this product that the instructions in this manual are followed exactly and, further that
the allowed gas log appliance used in this product be installed in strict accordance with the gas log manufacturer's
listing and explicit installation and operation instructions.
Be Sure to Read Entire Manual Before Beginning Construction.
Contents of this manual may change without prior notification.
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warning exactly could
result in serious injury, death, or property damage.
— Do not store or use gasoline or other
flammable vapors and liquids in the vicinity
of this or any other appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Leave the building immediately.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call
the fire department.
— Installation and service must be performed
by a qualified installer, service agency or the
gas supplier.
THESE FIREBOXES ARE DESIGNED for USE with:
PROPANE (LP) or NATURAL GAS (NG), ONLY
THIS MANUAL CAN ONLY BE REPRODUCED IN ITS ENTIRETY
VENT-FREE Gas Firebox
®
A PRODUCT OF EARTHCORE
INSTALLER: Leave this manual with the appliance
CONSUMER: Retain this manual for future reference
INDUSTRIES, LLC
®
Do not install the Vent-Free Gas Firebox in a
manufactured home or mobile home or recreational
vehicle.
FOR USE ONLY WITH DECORATIVE TYPE
CERTIFIED VENT-FREE GAS LOG. DO NOT
BUILD A WOOD FIRE.
INTERTEK TESTING SERVICES REPORT NO. 13001A-764
SBCCI NO. 9626
ICC Report NO. ESR-2316
Issued: December 2016
Revision: 004
©2016 Earthcore Industries, LLC
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Related Manuals for Isokern Vent-Free 81036
Summary of Contents for Isokern Vent-Free 81036
- Page 1 IMPORTANT: This manual contains assembly rules, installation steps and guidelines, use and maintenance instructions for the Isokern Vent-Free Gas Firebox (Vent-Free Series). This manual must become the property of and be reviewed by all current and future users of this product. It is the responsibility of the distributor, general contractor and the installer of this product that the instructions in this manual are followed exactly and, further that the allowed gas log appliance used in this product be installed in strict accordance with the gas log manufacturer’s...
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Page 2: Table Of Contents
Earthcore Industries Vent-Free Gas Firebox 12/2016 Table of Contents General Information ............3 Assembly Instructions .......... 11 - 12 Safety Instructions ........... 4 - 5 Raised & Flush Hearth Application ......13 Warnock-Hersey Listing Label ........5 Custom See-Thru Application ........14 Vent-Free Series 36”... -
Page 3: General Information
Earthcore Industries 12/2016 Vent-Free Gas Firebox General Information Intended Use Statement (9.5 sq. feet) depending on standard unit size chosen, it The Vent-Free Gas Firebox is a modular refractory is necessary that any wood floor framing where this unit masonry unit designed for field assembly. The unit con- is placed be designed to carry concentrated loading of sists of interlocking precast parts which are glued togeth- approximately 150 lbs/sq. -
Page 4: Safety Instructions
Earthcore Industries Vent-Free Gas Firebox 12/2016 Safety Instructions WARNING: This product contains or generates 4. Do not install the Vent-Free Gas Firebox in a chemicals known to the state of California to cause manufactured home or mobile home or recreational cancer or birth defects or other reproductive harm. -
Page 5: Warnock-Hersey Listing Label
Earthcore Industries 12/2016 Vent-Free Gas Firebox Safety Instructions 15. The Vent-Free Series is not intended to heat an entire 18. Clothing or flammable material should not be placed home or to be used as a heat source. on or near the appliance. 16. -
Page 6: Vent-Free Series 36" (81036) Firebox Dimensions & Component List
Earthcore Industries Vent-Free Gas Firebox 12/2016 Vent-Free Series 36” (81036) & Component List 25 ¼” 27 ¼” 37 ½” 37 ½” 36 ¹/ ” 31 ½” 31 ½” 34 ½” 10 ½” NOTE: These 43” are inside rough 5” dimensions before firebrick Front View Side View... -
Page 7: Vent-Free Series 42" (81042) Firebox Dimensions & Component List
Earthcore Industries 12/2016 Vent-Free Gas Firebox Vent-Free Series 42” (81042) & Component List 25 ¼” 33 ¼” 37 ½” 37 ½” 43 ¹/ ” 31 ½” 31 ½” 34 ½” 10 ½” NOTE: These 49” are inside rough 5” dimensions before firebrick Front View Side View... -
Page 8: Vent-Free Series 46" (81046) Firebox Dimensions & Component List
Earthcore Industries Vent-Free Gas Firebox 12/2016 Vent-Free Series 46” (81046) & Component List 25 ¼” 37 ¼” 37 ½” 37 ½” 47 ¹/ ” 31 ½” 31 ½” 34 ½” 10 ½” NOTE: These 53” are inside rough 5” dimensions before firebrick Front View Side View... -
Page 9: Required Clearance To Combustibles
Earthcore Industries 12/2016 Vent-Free Gas Firebox Required Clearance to Combustibles & Framing Dimensions Clearance to Combustibles The Vent-Free firebox may be installed at “zero clear- ance” to plywood sheathing and to un-insulated wood framing members at the unit bottom, sides, rear and top Wood Sub-Floor when used for enclosing any listed unvented gas-fired log set with maximum heat input ratings up to 40,000... -
Page 10: General Assembly Instructions
Earthcore (Figure 4) Mortar Earthcore Mortar is then squeezed from a grout bag onto the contact surfaces of the Isokern components as they are fitted together. FIGURE 4 NOTE: It is important that a 1/2” bead of mortar is piped onto all the components’... -
Page 11: Assembly Instructions
Earthcore Industries 12/2016 Vent-Free Gas Firebox Assembly Instructions 1. Begin assembly by setting the Vent-Free firebox’s three inch (3”) thick base plate flat on a suitable level surface at zero clearance. This surface can be a concrete slab or a wood floor system capable of 150 psf loading. The base plate can also be set on a concrete block raised base or on a raised wood platform either of which can be built upon a structural slab or upon a structurally suitable... - Page 12 Earthcore Industries Vent-Free Gas Firebox 12/2016 Assembly Instructions 3. Continue with the sequential assembly of the second and third courses of the side walls and back wall by first applying grout to the top of the previous layer, setting the next course above into grout already applied to the horizontal contact surface of the component below.
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Page 13: Raised & Flush Hearth Application
Earthcore Industries 12/2016 Vent-Free Gas Firebox Raised and Flush Hearth Application For a raised hearth (floor of the firebox elevated above the room’s floor) then the Vent-Free base plate can be set on a concrete block platform that is built up to the desired raised hearth height on the concrete support slab. -
Page 14: Custom See-Thru Application
Earthcore Industries Vent-Free Gas Firebox 12/2016 Custom See-Thru Application See-Thru or two-sided Vent-Free fireboxes can be Steel Angle Iron constructed from the standard one-sided unit components with the addition of three (3) backwall pieces. The backwalls will be custom cut and used as the sides walls. In this installation the standard side wall components are eliminated and custom cut backwalls are used for the sidewalls. -
Page 15: Firebrick Installation
3. Start the firebrick at the front edge of the floor of the (No Gaps) Isokern firebox, proceeding inward toward the back. Let the floor brick gap approximately 1/2” off the back wall and side walls. This air space allows heat expansion of the firebrick and is to be left empty of mortar. -
Page 16: Access Modification
Earthcore Industries Vent-Free Gas Firebox 12/2016 Access Modification Gas Line & Electrical Line Feed The provision for installation of a gas pipe is only for connection to a decorative gas appliance. The decorative gas appliance must comply with standard for Decorative Gas Appliances for installation in Vent-Free fireboxes, ANSI Z21.11.2 2013. -
Page 17: Clearance To Combustible Trim
Earthcore Industries 12/2016 Vent-Free Gas Firebox Clearance to Combustible Trim The Vent-Free firebox is designed to be custom fin- a minimum vertical distance of thirty inches (30”) from the ished with facing trim and mantel to be at owner option. top of the finished fireplace opening. -
Page 18: Summary
Earthcore Industries Vent-Free Gas Firebox 12/2016 Summary 1. Maintenance 4 . Electronic Equipment The Vent-Free firebox does not require any routine Do not place electronic equipment such as television maintenance procedure. However, the owner must follow sets, DVD players, audio equipment or computer the gas log manufacturer’s explicit instructions regarding equipment directly above the Vent-Free firebox. -
Page 19: Registration Card
Earthcore Industries 12/2016 Vent-Free Gas Firebox Registration Card Please tear out along dashed lines and send to: Earthcore Industries Attn: Technical Department 6899 Phillips Industrial Blvd Jacksonville, FL 32256 Dealer _______________________________________________________________________________________________ Date of Purchase: _____________________________ Date Of Installation: _____________________________________ Address: _____________________________________________________________________________________________ City, State, Zip: _______________________________________________________________________________________ Phone No.: ___________________________________ Fireplace Size (Circle One):... -
Page 20: Warranty
Warranty & Disclaimer Isokern Vent-Free Gas Firebox Earthcore offers a lifetime warranty for all Isokern fireboxes, to be free from defects in materials that negatively affect system performance from the date of purchase, subject to the terms and conditions of this limited warranty.
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