COMBUSTION AIR SYSTEM
Model: CAS-2A
This product is designed for use on the following burners, for the purpose of routing
combustion air directly to the burner, with the added safety feature of the vacuum relief valve.
NOTE: For burner inputs up to 2.0 GPH at 100 PSI input pressure or equivalent.
“The Air Boot™ model CAS-2A is for use only on the designated burner(s) as described in
these instructions only when the specific burner includes this Air Boot™ when shipped from
the burner manufacturer or where the burner instructions specifically reference the models
CAS-2A Air Boot™ as an optional air intake system.”
ITEMS INCLUDED IN KIT:
1 - Air Boot™
1 - 4” VRV
1 - 4” IAH Hood
1 - Burner Coupling Set
2 - Mounting Bolts
INSTALLER SUPPLIED ITEMS:
Duct Piping and Elbows
90° Elbows;
¼ “ NPT Female x ¼” NPT
Male for routing oil line
4” VRV
4” IAH HOOD
AIR BOOT™
A
ERO
M
ODELS
F-AFC HF-AFC
HF-US SV SERIES