Rinnai C42e - Page 6

Rinnai Water Heater Service Manual 6 100000098 Rev B
Specifications
[1] Minimum activation flow is approximately 0.4 gallons/minute (1.5 liters/min); minimum flow is approximately
0.26 gallons/minute (1 liter/min).
[2] Max temperature is 160 ºF (71 ºC) with the MCC-91 controller for commercial and hydronic applications only.
[3] Max temperature is 185 ºF (85 ºC) with the MCC-91 controller for commercial and hydronic applications only.
[4] Minimum activation flow is approximately 0.6 gallons/minute (2.3 liters/min).
Trade Name Model Max. BTU Min. BTU Max Flow [1]
gal/min (liters/min)
Temperature Range
R75LSe,
RL75e
REU-VB2528WD-US
180,000
9,900 (NG)
10,300 (LPG)
7.5 (28) 98 - 140 ºF (37-60 ºC) [2]
R94LSe,
RL94e
REU-VB2735WD-US
199,000
9,900 (NG)
10,300 (LPG)
9.4 (35) 98 - 140 ºF (37-60 ºC) [3]
VB Series (LS Series) - Residential or Commercial - Outdoor
Trade Name Model Max. BTU Min. BTU Max Flow [1]
gal/min (liters/min)
Temperature Range
R75LSi, RL75i
REU-VB2528FFUD-US
180,000
9,900 (NG)
10,300 (LPG)
7.5 (28) 98 - 140 ºF (37-60 ºC) [2]
R94LSi, RL94i
REU-VB2735FFUD-US
199,000 (NG)
190,000 (LPG)
9,900 (NG)
10,300 (LPG)
9.4 (35) 98 - 140 ºF (37-60 ºC) [3]
VB Series (LS Series) - Residential or Commercial - Indoor
Trade Name Model Max. BTU Min. BTU Max Flow [4]
gal/min (liters/min)
Temperature Range
V53i, RV53i
REU-VB2020FFU-US
150,000 15,000 5.3 (20) 98 - 140 ºF (37-60 ºC)
VB Series - Residential - Indoor
Trade Name Model Max. BTU Min. BTU Max Flow [1]
gal/min (liters/min)
Temperature Range
RC80HPe,
RC80e
REU-KA2530WD-US
157,000
9,500 (NG)
10,300 (LPG)
8.0 (30)
RC98HPe,
RC98e
REU-KA3237WD-US
199,000
9,500 (NG)
10,300 (LPG)
9.8 (37)
98 - 140 ºF (37-60 ºC) [3]
Condensing Series - Residential or Commercial - Outdoor
Trade Name Model Max. BTU Min. BTU Max Flow [1]
gal/min (liters/min)
Temperature Range
RC80HPi,
RC80i
REU-KA2530FFUD-US
157,000
9,500 (NG)
10,300 (LPG)
8.0 (30)
RC98HPi,
RC98i
REU-KA3237FFUD-US
199,000
9,500 (NG)
10,300 (LPG)
9.8 (37)
98 - 140 ºF (37-60 ºC) [3]
Condensing Series - Residential or Commercial - Indoor