MG3P Technical Specs
9
* NOTE:
1. Subtract 2.5 ft. for each additional 2" elbow and 3.5 ft. for each additional 3" elbow.
2. Two 45 degree elbows are equivalent to one 90 degree elbow.
3. One short radius elbow is equivalent to two long radius elbows.
4. Do not include termination elbows in calculation of vent length.
5. This table is applicable for elevations from sea level to 2000 ft. For higher elevations decrease vent pipe lengths by 8% per
1000 ft. of altitude.
6. Only the listed pipe materials are approved for use with M4R Condensing Furnaces.
VENT TABLE
VENTING
All models are approved for vertical non direct (1 pipe) and direct (2 pipe) venting applications. See Vent Table below
for specied sizes and allowable lengths.
SINGLE PIPE LENGTH (FT.)
with 1 long radius elbow*
DIRECT VENT,
DUEL PIPE LENGTH (ft.) WITH
1 long radius elbow on each pipe*
OUTLET INLET/OUTLET
MODELS 3” 3”
054 90 90
072 90 90
090 90 90
108 90 90