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WALL
ADAPTER
CHIMNEY
BACK PLATE AND INSULATED
THIMBLE ASSEMBLY
ROOM AIR
Saf-T
Installation & Maintenance Instructions
UL Listed Through-the-wall
Thimble Assembly
HOT AIR
WALL PROTECTOR AND
COVER SHIELD
HOT AIR
Model # 3006 adapts to 5" and 6" diameter connector pipe.
Model # 3008 adapts to 7" and 8" diameter connector pipe.
CONNECTING
The Heat-Fab Saf-T Thimble is intended for use in conjunction
PIPE
with any residential and building heating appliance burning
gas, liquid or solid fuels.
The Heat-Fab Saf-T Thimble is an engineered and Listed through-
the-wall thimble assembly that reduces the minimum 18 inch
clearance to combustibles required by NFPA 211 Standard. The
Saf-T Thimble is to be used as a thimble/wall pass thru to connect
appliances to interior or exterior masonry chimneys.
A major cause of chimney related fires is failure to maintain
required clearances (air space) to combustible materials. It is of
utmost importance that the Saf-T Thimble be installed only in
accordance with these instructions.
This product is Listed by UNDERWRITERS LABORATORIES, INC.
and bears the Mark: UL
Thimble
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Table of Contents
Summary of Contents for HeatFab Saf-T 3006
- Page 1 Saf-T Thimble Installation & Maintenance Instructions UL Listed Through-the-wall WALL ADAPTER Thimble Assembly HOT AIR WALL PROTECTOR AND COVER SHIELD HOT AIR Model # 3006 adapts to 5” and 6” diameter connector pipe. Model # 3008 adapts to 7” and 8” diameter connector pipe. CHIMNEY CONNECTING The Heat-Fab Saf-T Thimble is intended for use in conjunction...
- Page 2 Saf-T Thimble Installation & Maintenance Instructions SAFETY FIRST The instructions provided with the Saf-T Thimble are intended as a guide to assist a qualified professional installer. Check your local building codes and contact local building or fire officials about restrictions and installation requirements in your area. Inspect the masonry chimney for structural integrity before you install the Saf-T Thimble.
- Page 3 Saf-T Thimble Installation & Maintenance Instructions ASSEMBLY MATERIALS The following tools and supplies are needed to complete the installation of your Saf-T Thimble: Hammer Screwdriver Silicon Caulking Tape Measure Level Masonry Drill Bit (1/4” diameter) Square Saf-T Thimble Template BACK PLATE AND INSULATED THIMBLE ASSEMBLY WALL ADAPTER...
- Page 4 Saf-T Thimble Installation & Maintenance Instructions 3. Position the template where the Saf-T Thimble will be located and trace around the template carefully. You will be cutting the interior, as well as the exterior wall so accurate measurements are necessary for a clean installation. In installations where there is an already existing connector pipe, place the template over the connector pipe and trace around the template keeping it level.
- Page 5 When adjusting the insulated thimble do not remove any insulation, but lightly compress the insulation into its adjusted position so the insulation is evenly distributed. REMOVAL OF ANY INSULATION WILL VOID HEATFAB’S WARRANTY. ADJUSTING INSULATED THIMBLE FIG. 5...
- Page 6 Saf-T Thimble Installation & Maintenance Instructions 14. Take the wall adapter assembly and position it so it slides into the back plate and insulated wall thimble assembly. The wall adapter adjusts inside the back plate for 4” thru 8 ½” wall structures and mounts flush to the framing headers. In wall structures of 6”...
- Page 7 Saf-T Thimble Installation & Maintenance Instructions CHIMNEY MAINTENANCE The chimney connector and chimney should be checked frequently during the heating season and cleaned by a professional certified chimney sweep if necessary. FORMATION OF CREOSOTE AND SOOT AND THE NEED FOR REMOVAL When wood is burned slowly, it produces tar and other organic vapors, which combine with expelled moisture to form creosote.
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