Heatilator A36C - Termination Cap Requirements; Install Termination Cap

Heatilator • A36/42C, A36/42CH • Installers Manual • 4017-262 • Rev D • 10/07/13
23
H. Termination Cap Requirements
• Installacapapprovedandlistedforthisreplacesystem.
• Locatecapwhereitwillnotbecomepluggedbysnow
orothermaterials.
• Locatecapawayfromtreesorotherstructures.
• Thebottomoftheterminationcapmustbeatleast3ft
(.91m)abovetheroofANDatleast2ft(.61m)above
anyportionofroofwithin10ft(3.05m).
I. Install Termination Cap
Installthechimneysectionsupthroughthechaseenclo-
sure.
• Caulktheoverlapseamofanyexposedpipesections
thatarelocatedabovetherooflinetopreventleaks.
• Refertoterminationcapinstructions.
WARNING! Risk of Fire! The minimum overlap of cap
to pipe (as shown in the following illustrations) MUST
be met or chimney may separate from cap. Separation
allows sparks, heat and embers to escape.
NOTICE: Paint the termination cap with a rust-resistant
paint to protect against the effects of corrosion on those
parts exposed to the weather.
Storm
Collar
Chimney
Pipe
Chase Top
Termination
Cap
Chase
6 in. (153 mm)
Minimum top of
chase to top of
chimney pipe
Collar
2 in. (51 mm)
Minimum Height
Do NOT
block air holes
Caulk gaps between
storm collar & pipe,
and storm collar
& chase top.
Termination cap pipe and chimney section must be snapped
together to maintain an overlap of 1-1/2 in. (38 mm).
Slip
storm collar
around chimney pipe
before termination
cap pipe is snapped
into the chimney
pipe.
Figure 5.10 Installing a TR344 Round Termination Cap
Storm
Collar
Chimney
Pipe
Chase Top
Termination
Cap
Chase
14 1/2 in. (368 mm)
Maximum
Collar
2 in. (51 mm)
Minimum Height
Caulk gaps between
storm collar & pipe,
and storm collar
& chase top.
Do NOT
block air
holes
3 clip brackets.
Slip over chase collar
and attach with screws
provided.
Termination cap pipe and chimney section must overlap 1-1/2 in. (38 mm)
Assemble
storm collar
around extended
termination cap
pipe
once cap is
installed.
Figure 5.11 Installing a TR342 Round Telescoping Termination
Cap
Chimney
Pipe
Chase Top
Termination Cap
Chase
Collar
2 in. (51 mm)
Minimum Height
Place waterproof
caulk or sealer under
each flange of the
termination cap and
on top of each screw
to help prevent leaks.
Flange
Termination cap pipe and chimney section must overlap 1-1/2 in. (38 mm)
2 in. (51 mm)
maximum
4 3/4 in. (121 mm)
maximum
The last section of pipe
must stop between 2 in. (51
mm) above the top of the
chase and 4 3/4 in. (121
mm) below the top of the
chase.
Figure 5.12 Installing an ST375 Square Termination Cap