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AMERIVENT

®

Model HS/HSS Factory-Built Chimney

Installation
& Assembly
Instructions

A MAJOR CAUSE OF CHIMNEY-RELATED FIRES IS FAILURE
TO MAINTAIN REQUIRED CLEARANCES (AIRSPACES) TO
COMBUSTIBLE MATERIALS.  IT IS OF UTMOST IMPORTANCE
THAT THIS CHIMNEY BE INSTALLED ONLY IN ACCORDANCE
WITH THESE INSTRUCTIONS.

This symbol on the product
means the product is listed by
Underwriters Laboratories, Inc.

These are the three

ways to install

AmeriVent

Model HS/HSS

all-fuel chimney.

Do not install chimney without first reading these
instructions very carefully.

• AmeriVent Model HS/HSS all-fuel chimney systems meet

the requirements of UL Standard #103 HT when installed in
accordance with our installation instructions.  AmeriVent
Model HS/HSS all-fuel chimneys are designed to be
installed as complete systems, including supports, pipe
sections, caps, firestops, attic insulation shields, etc.

• The AmeriVent Model HS/HSS all-fuel chimney construction

consists of three walls of metal, using air and woven ceramic
fiber blanket insulation. The inner and intermediate walls are
stainless steel, and the outer wall is galvanized steel.  This
chimney is listed (UL 103 TYPE HT) for venting flue gases
not exceeding 1000°F under continuous operating
conditions.  In addition, UL has conducted additional tests at
1400°F for one hour and 2100°F for 10 minutes to verify
compliance with UL test standards.  The Model HS/HSS all-
fuel chimney is approved, accepted, or listed by UL, NFPA,
IMC and UMC.

• The AmeriVent Model HS/HSS all-fuel chimney is suitable

for use on the following types of wood, coal and oil
appliances.

Residential Appliances

Ranges, warm-air furnaces, water heaters, hot-water
heating boilers, 15 psi or less steam boilers, floor furnaces,
wall furnaces, room heaters, and fireplace stoves.

Building Heating Appliances

Nonresidential building heating appliances, steam boilers
operating at not over 1000°F flue gas temperature.

• The Model HS/HSS Chimney may also be used where type

B gas vents are permitted, but should not be used for
forced- draft or induced-draft appliances that have a
positive pressure in the vent.

• Installing or using our chimney or parts of our chimney in

ways other than those specified in our instructions might be
hazardous; therefore, the chimney must be installed exactly
as shown in these instructions.

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Summary of Contents for AMERIVENT HS

Page 1: ...is galvanized steel This chimney is listed UL 103 TYPE HT for venting flue gases not exceeding 1000 F under continuous operating conditions In addition UL has conducted additional tests at 1400 F for...

Page 2: ...ey installation requirements AmeriVent Model HS all fuel chimneys may be connected directly to a masonry fireplace by using an AmeriVent anchor plate instead of a standard support IMPROPER INSTALLATIO...

Page 3: ...irestop must be installed on the top of joist in the same manner described in Section a 4 Attic Insulation Shield Cat No 6 8 HS AIS If the chimney passes through an attic space one of the following me...

Page 4: ...upport Bracket Assembly see Figure 10 You may need to temporarily support the offset during assembly The offsets use the same locking system as the pipe sections described in Section A 2 Page 2 6 Chim...

Page 5: ...ing is completed nail through all four sides of roof support into framework installed in Step b Use a minimum of sixteen 16 8d nails f Install the single wall adapter furnished with the support by pus...

Page 6: ...o 6 8 HS WTP a Install the wall thimble through opening in wall with the black painted surface on the inside wall see Figure 22 Screw each trim plate in place through the four 4 prepunched holes on ea...

Page 7: ...ssage of the chimney is obstructed it is necessary to cut a hole in the overhang Leave a minimum of 2 inch clearance and install the flashing and storm collar per Section A 6 a e Page 4 see Figure 14...

Page 8: ...vapors which combine with expelled moisture to form creosote The creosote vapors condense in the relatively cool chimney flue of a slow burning fire As a result creosote residue accumulates on the flu...

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