Venting Tables Suf 120 - 250; Venting Tables Suf 300,400 - State Water Heaters SUF 130 300 Service Handbook

ULTRAFORCE COMMERCIAL GAS WATER HEATER
VENTING TABLES SUF 120 – 250
Maximum equivalent feet of intake and vent pipe using 3" PVC is 50 feet (15.2m). Equivalent feet
must include any 90° elbows (two 45° elbows equal one 90° elbow). Three inch diameter 90° elbows
are equivalent to 5' (1.5m) of pipe.
Maximum equivalent feet of intake and vent pipe using 4" PVC is 120 feet (36.6m).
Equivalent feet must include any 90° elbows (two 45° elbows equal one 90° elbow). Four inch
diameter 90° elbows are equivalent to 5' (1.5m) of pipe.
Vent Length Table Equivalent Feet (Meters) 120 through 250
Number of 90°
Elbows
ONE (1)
TWO (2)
THREE (3)
FOUR (4)
FIVE (5)
SIX (6)

VENTING TABLES SUF 300,400,

Vent Length Table Equivalent Feet (Meters) 300,400,
Number of
90°Elbows Maximum Feet / meters of Pipe
ONE (1)
TWO (2)
THREE (3)
FOUR (4)
FIVE (5)
SIX (6)
State Water Heaters – Technical Training Department 9
SUF 120 thru 400 SERVICE HANDBOOK
3" Minimum 3" Maximum
Pipe (Ft./M.) Pipe (Ft./M.)
7/2.1
7/2.1
7/2.1
7/2.1
7/2.1
7/2.1
4" PVC
65' / 19.7 m
60' / 18.2 m
55' / 16.7 m
50' / 15.2 m
45' / 13.6 m
40' / 12.1 m
Servicing should only be performed by a Qualified Service Agent
4"Maximum
Pipe (Ft./M.)
45/13.7 115/35
40/12.2 110/33.5
35/10.7 105/32
30/9.1 100/30.5
--- 95/29
--- 90/27.4
Ashland City, Tennessee © 2009
198152-002