17
HIGH ALTITUDE INSTALLATION INFORMATION
: Prior to installing at altitudes higher than 7500, please con-
tact the Mendota technical service department for specific venting requirements and venting restrictions.
FLUE VENTING REQUIREMENTS FOR NG AND LPG
NOTE: IF A 90º ELBOW IS CONNECTED DIRECTLY TO THE FLUE OULET, THE MAXIMUM HORIZONTAL
DISTANCE FROM THE FLUE OUTLET CENTERLINE TO THE OUTSIDE WALL IS 24".
A maximum of three (3) 90
º
elbows are allowed per installation.
Each 90
º
elbow USED, after the first 90
o
elbow, reduces the maximum horizontal distance by 3'. Each 45
o
elbow USED,
after the first 90
o
elbow,
reduces the maximum horizontal distance by 1-
1/2’.