14
LOCHINVAR CORPORATION
300 MADDOX SIMPSON PKWY
LEBANON, TN 37090
www.lochinvar.com
Designer’s Guide / Power-fin Water Heater
CATEGORY IV VENTING – “M9” FIRING CODE
SIDEWALL VENT WITH COMBUSTION AIR FROM EQUIPMENT ROOM.
The flue outlet terminates out the sidewall. The combustion air is drawn
naturally from the equipment room.
BULLET POINTS
Category IV vent material is required, such as
AL29-4C.
All vent joints and seams must be sealed gastight
and may not be common vented.
The vent must have a condensate drain
with provisions to properly collect and dispose of
any condensate that may occur in the vent pipe.
The sidewall exhaust cap must be
provided by Lochinvar. See table below for kit part
numbers. All other vent material for this
configuration will be obtained locally.
The air is delivered to the equipment room by
means defined in Chapter 1 of this designer
’s
guide.
Maximum distance - 50 equivalent feet of vent.
The Category IV Power-fin with a model number that features the M9 (Modulating Fire) Firing
Code will be factory trimmed for Category IV vent connection in the following dimensions. The
table also includes the kit part numbers for the sidewall exhaust caps which must be used.
MODEL
CAT IV VENT CONNECTION
SVK KIT NUMBER
PFN0502PM-M9
4"
SVK3069
PFN0752PM-M9
5"
SVK3070
PFN1002PM-M9
6"
SVK3018
PFN1302PM-M9
8"
SVK3068
PFN1501PM-M9
6"
SVK3018
PFN1701PM-M9
7"
SVK3019
PFN2001PM-M9
8"
SVK3068
The main component in Sidewall Vent Kit is the Sidewall Exhaust Cap.
Summary of Contents for Power-Fin
Page 47: ...NOTES ...