Greenfield Installation and Operations Manual
Page 10
VENTING: APPROVED MATERIALS
The Greenfield requires a venting system approved for pellet or corn venting by a certified
testing lab. Approved pellet or corn venting materials are: 1) PL vent, a double wall vent with a
stainless steel liner; and 2) Single wall rigid or flexible stainless steel pipe. PL Vent and Single
wall vent is available through manufacturers such as: ICC Pellet Vent, Energy Vent LTD, James
A. Ryder, Simpson Dura Vent and Selkirk Metalbestos and is carried by many local dealers. In
this manual approved venting will be referred to a “PL vent” or “Single wall vent”. All single
wall vent adaptors must be stainless steel.
NOTE: TYPE “B” GAS VENT MUST NOT BE USED IN THE INSTALLATION OF THIS MULTI-
FUEL STOVE.
Venting size Guidelines
Type of Installation:
Size:______________
A.
Less than 10’ horizontal:
3”
Acceptable
B.
10’ to 12’ horizontal:
3” or 4”
Acceptable
C.
Over 12’ horizontal:
4”
Required
Horizontal installation over 12’ is NOT RECOMMENDED
D.
Less than 15’ vertical:
3”
Acceptable
E.
Over 15’ vertical:
4”
Required
F.
Above 4000’ elevation:
3” or 4”
Acceptable
Note: Four (4) inch vent may be used in all installations. If in doubt, use 4” vent.
Examples of venting system components follow:
High temperature ceramic roping reduces potential fly ash escaping through joints.
Stainless steel inner liners resist corrosive flue gas damage to the system.
Flex pipe should be stainless steel, 4 ply construction with a total thickness of approximately .07
inches.