Rinnai RUC80i Installation And Operation Manual page 25

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Maximum quivalent Vent Length Tables con nued)
T tal E ui alent Vent Lengt (Inta e utlet)
Ma imum Vent Lengt
Termina
Termina
n E ui alent Lengt in eet
(meters) (Already a t red int t e straig t
pipe lengt s bel w)
#
90° Elb ws (ea : 5 e ui alent eet)
T tal E ui alent Vent Lengt (Inta e utlet)
Ma imum Vent Lengt
Termina
Termina
n E ui alent Lengt in eet (meters)
(Already a t red int t e straig t pipe lengt s
bel w)
#
90° Elb ws (ea : 5 e ui alent eet)
**SW 1 in DIPSW 1 is OFF" for lengths greater than or equal to 21 feet
Maximum vent lengths are speci c to the fuel t pe of the tan less water heater. It is impera ve when
performing equivalent vent length calcula ons that the gas t pe be ta en into considera on.
n Type
0
1
2
4
5
n Type
0
1
2
4
5
Pr pane Units
r Twin Pipe 3" PVC CPVC
4 Feet
IPEX C n entri
Sn r el
Vent Kit
Termina
0 (6. )
Ma . straig t pipe ent lengt in eet (meters)
21 .4) **
2 7.9) **
1 4.9) **
21 .4) **
11 .4) **
1 4.9) **
1.8) **
11 .4) **
-
-
1 0.4) **
-
Pr pane Units
r Twin Pipe 4" PVC CPVC
IPEX C n entri
Vent Kit
Termina
0 (6. )
Ma . straig t pipe ent lengt in eet (meters)
45 1 .7) **
50 15.2) **
40 12.2) **
45 1 .7) **
5 10.7) **
40 12.2) **
0 9.1) **
25 7. ) **
20 .1) **
15 4. ) **
ATTENTION
KBD Series Manual
Side Wall Tee
n
Termina
5 (3.0)
5 ( .5)
11.0) **
1 9.4) **
2 7.9) **
21 .4) **
1.8) **
1 4.9) **
11 .4) **
-
1.8) **
65 Feet
Sn r el
Side Wall Tee
n
Termina
5 (3.0)
5 ( .5)
0 18. ) **
55 1 .8) **
50 15.2) **
5 10.7) **
45 1 .7) **
0 9.1) **
40 12.2) **
25 7. ) **
5 10.7) **
20 .1) **
0 9.1) **
L w Pr
le
n
Termina
n
5 ( .5)
11.0) **
1 9.4) **
2 7.9) **
21 .4) **
1 4.9) **
11 .4) **
1.8) **
L w Pr
le
n
Termina
n
5 ( .5)
0 18. ) **
55 1 .8) **
50 15.2) **
45 1 .7) **
40 12.2) **
5 10.7) **
0 9.1) **
25

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