American Standard PFWF071A93ABA Installation Manual page 64

INSTALLATION CONSIDERATIONS (Illustration #1)
1) The vent pipe bend radius is 12".
2) Place metal strapping every 36" to support vent pipe and prevent it from sagging.
3) Maximum wall thickness is 14". Contact the manufacturer for recommendations in
case of thicker wall.
4) This system is not designed for common venting. Use for a single appliance only
unless otherwise approved.
5) Utilize the appliance adapter test port for combustion testing required by manufacturers.
6) Follow national codes for the installation of oil burning equipment: in USA - NFPA 31,
in Canada - CAN/CSA-B139 and local regulations.
ILLUSTRATION # 1
12" min. above ground
or normally expected
snow accumulation level
MAINTENANCE
The boiler manufacturer recommends the entire heating system, including the
appliance and vent, to be checked annually by a qualified heating professional.
18-CG03D1-4
64
TERMINAL
OUTER WALL PLATE
EXHAUST
AIR INLET
INNER WALL PLATE
TYPICAL INSTALLATION
VENT (SLOPING DOWN OR UP)
STRAP
MIN. 1/4" SLOPE/FOOT
36" MAX.
TERMINAL ADAPTER
AIR INTAKE CLAMP
APPLIANCE ADAPTER
WITH TEST PORT
APPLIANCE
AIR INTAKE CLAMP
BURNER AIR ADAPTER
BURNER