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Installation and Operation  

Instructions 

Stone Age Indoor Fireplace 

 

 

1.0 Introduction  

The following provides instructions for the installa-
tion and operation of the Stone Age Fireplace, 
manufactured by Stone Age Manufacturing, Col-
linsville, Oklahoma. 

Three generations of fireplace knowledge and ex-
perience have gone into the design and construc-
tion of the NA 36, 42 and 48 fireplace. These 
fireplaces are UL127 certified. 

Because of structural modifications required in an 
existing 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 person may negate the warranty. 

2.0 Description 

The fireplace is delivered as a kit with all compo-
nents necessary to complete the installation. The kit 
is configured for a flue chimney, but a special 
adapter is available for a metal chimney. Compo-
nent arrangement, some of which is optional, is 
shown in Figure 1. Components are shown in Table 
1. Specifications and installation dimensions are 
shown in Table 2. 

Contents of the kit include the following: 

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

B.  Vestal Cast Iron Damper (sold separately) 

C.  Chimney Cap (sold separately) 

D.  Stone Age Fireplace Grate (sold separately) 

E.  Smithfield Medium Duty firebrick (sold sepa-
rately) 

The Stone Age Fireplace has been tested and listed 
in accordance with UL 127 standards and is listed 
by OMNI-Test Laboratories, Inc. for installation 
and operation in the United States and Canada as 
described in this manual. 

This fireplace is designed to supplement your cur-
rent heating system. It is not designed to be used a 
primary heat source.  

Make sure that appropriate building permits re-
quired by local codes are obtained before installa-
tion in an existing home.

 

Figure 1. Fireplace Components 

 

1

Summary of Contents for NA 36

Page 1: ...ue chimney but a special adapter is available for a metal chimney Compo nent arrangement some of which is optional is shown in Figure 1 Components are shown in Table 1 Specifications and installation...

Page 2: ...ION When using the decorative appliance the fire place damper must be set in the fully open position Note 2 this fireplace has not been tested for use with glass doors WARNING If glass doors are insta...

Page 3: ...D Lay a straightedge across the left and right sidewall to make sure level is maintained E Install the slanted sides 6 and 7 and the back header 5 Check the sides and the top with a level F After inst...

Page 4: ...a metal chimney that carries a UL 103 compliance designation 4 1 Stone Age Masonry System The Stone Age Masonry system consists of stack ing Stone Age chimney blocks item 23 and in stalling a clay fl...

Page 5: ...himney can be external to the house Figure 7 Connect Chimney A When the chimney passes through a ceiling to an upper floor make sure the 2 inch clearance is maintained with framing where it passes thr...

Page 6: ...afts may occur resulting in undesired smoke 5 0 Operating Instructions 5 1 Safety Precautions A fireplace can bring many hours of enjoyment comfort and warmth if operated and maintained properly Certa...

Page 7: ...ults in sparking Burning softwood exclu sively will require more frequent inspection and cleaning of the chimney Experienced fire builders often use small amounts of softwood kindling and newspaper wh...

Page 8: ...Use proper fireplace tools and wear gloves If adding an un split log it is possible that it may want to roll out 6 0 Cleaning Inspection and Maintenance As is the case with most other equipment clean...

Page 9: ...ks or loose nail heads to prevent roof leaks H Cover the firebox opening with a damp sheet and seal with masking tape to retain soot in the firebox while cleaning I Inspect the entire flue from the to...

Page 10: ...alled Stone Age shall repair or replace at its option any defective Stone Age product upon receipt of written notice addressed to Stone Age at 11107 E 126th St North Collinsville OK 74012 This limited...

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