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Report 307-F-02b-2 

 

Installation and Operation  

Instructions 

Stone Age Indoor Fireplace 

 

 

 

1.0 Introduction  

The following provides instructions for the installation 
and  operation  of  the  Stone  Age  Fireplace,  manufac-
tured by Stone Age Manufacturing, Collinsville, Okla-
homa. 

Three  generations  of  fireplace  knowledge  and  experi-
ence have gone into the design and construction of the 
New Age  series  fireplaces.      New Age  Fireplaces  are 
certified to UL127 for the US, and ULCS610 for Can-
ada.   They are also certified in accordance with ICC-
ES AC156  meeting  structural  design  requirements  for 
Earthquake  Testing  at  a  compliance  level  of  Sds  = 
2.5g.  The ICC-ES AC156 complies with 2010 Ameri-
can Society of Civil Engineers (ASCE) 7-10, 2009 In-
ternational  Building  Code  (IBC),  2010  California 
Building Code and 2012 ICC-ES AC156.   Assembly 
and Cutaway views of a NA42IND fireplace are shown 
in Figure 1.   

 

 

 

Because of structural modifications required in an ex-
isting  home,  it  is  recommended  that  this  fireplace  be 
installed by a professional installer, or by a builder in 
new  construction.  Installation  by  a  non-qualified  per-
son may negate the warranty. 

Keep these instructions for future use.  

2.0 Description 

The fireplace is delivered as a kit with all components 
necessary to complete the installation.  The kit is con-
figured  for  a  flue  chimney,  but  a  special  adapter  is 
available  for  a  metal  chimney.    Component  arrange-
ment, some of which is optional, is shown in Figure 2. 
Components are shown in Table 1.  Specifications and 
installation dimensions are shown in Table 2. 

A completed installation should include the following: 

A.  Fireplace  items  shown  in  Figure  2  and  listed  in 
Table 1. 

B.  Damper (sold separately) (Shown in Figure 11). 

C.  Chimney Cap (sold separately) (Shown in Figure 
22). 

D.  Fireplace Grate  (sold  separately)  (Shown in Fig-
ure 26). 

E.  Full firebrick (sold separately) 

F.  Stone  Age  Multi-Purpose  Ready-Mix  Cement 
(sold separately).   

The Stone Age Fireplace has been tested and listed in 
accordance with UL 127 and ULC S610 standards for 
indoor or outdoor use, and is listed by OMNI-Test La-
boratories,  Inc.  for  installation  and  operation  in  the 
United States and Canada as described in this manual. 

This  fireplace  is  designed  to  supplement  your  current 
heating system.  It is not designed to be used as a pri-
mary heat source.  

Ensure  that  appropriate  building  permits  required  by 
local codes are obtained before installation in an exist-
ing home.

 

 

 

 

Ce manuel est disponible en français à 

www.stoneagemanufacturing.com

This manual is available in French at 

www.stoneagemanufacturing.com

.  

NA42IND 

Front View

Side  

Cutaway 

View

Figure 1. NA42IND Fireplace Assembly 

     & Cutaway View 

Summary of Contents for NA42IND

Page 1: ...kit with all components necessary to complete the installation The kit is con figured for a flue chimney but a special adapter is available for a metal chimney Component arrange ment some of which is...

Page 2: ...when hearth is greater than 6 from floor A 12 Mantle 48 from hearth B Top Trim 36 from hearth C Side Trim 6 from fireplace opening D Front en closure Non combustible from hearth up 36 E 1 Combustible...

Page 3: ...rding to the following instructions It is also important that local building codes be consulted and followed Improper installation could result in Overheating leading to fireplace failure Leakage of r...

Page 4: ...e base is level and square set the base plate 1 Level it from side to side and front to back See Figure 4 C Install the sidewall pieces 2 and the lower and middle back plates 3A 3B and 4A 4B Use 3 8 j...

Page 5: ...with the front lip resting on the front header 8 Mortar damper in place Ensure the damper opens and closes properly I Install the first complete ring of four interlocking throat components items 9 10...

Page 6: ...of clay liners and outer blocks or Stone Age Pipe Adapter if installing a metal pipe chimney See Figures 17 and 18 N If installing a mantel and side trim especially if it is wood or other combustible...

Page 7: ...pe tested and certified to UL 103 standards for the US and ULC S604 standards for Canada 4 1 Stone Age Masonry System The Stone Age Masonry chimney system consists of stacking Stone Age chimney blocks...

Page 8: ...elow and the instructions provided by the chimney pipe manufacturer Install a Stone Age masonry pipe adapter sold sepa rately to the top of the firebox using a 16 I D adapt er for the NA 42 Connect th...

Page 9: ...WARNING DO NOT PACK REQUIRED AIR SPACES WITH INSULATION OR OTHER MATERIALS G Continue to add pipe sections extending the chimney through the roof H A wood chase may be constructed around the exposed...

Page 10: ...permanent damage and void the warranty Stress cracks from thermal cycling are normal H Do not alter this fireplace to the extent that it would jeopardize the structural integrity of the fire place Dri...

Page 11: ...hold a wadded newspaper in the firebox and light it This will create an updraft and clear the flue of cold air The following steps are recommended when starting a fire A Remove any excess ash from the...

Page 12: ...ir flows freely through it E Spot check the refractory bricks and mortar for small cracks It will expand slightly with the heat and then contract as it cools Replace refractory bricks when the cracks...

Page 13: ...13...

Page 14: ...cturing defects in the Stone Age product and does not cover de fects or faulty workmanship in the installation of the product or the ma sonry or other structure in which it is installed Also this warr...

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