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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.” 

 
 
 
 
 

 

I

TEMS INCLUDED IN KIT

1 - Air Boot™ 
1 - 4” VRV 
1 - 4” IAH Hood 
1 - Burner Coupling Set 
2 - Mounting Bolts

 

I

NSTALLER 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

 

 

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