Installation and Operation Manual
Rinnai Tankless Water Heater Installation and Operation Manual 59
Information in table
obtained from NFPA 54,
ANSI Z223.1 - 2021.
1/2 3/4 1 1 1/4
10 (3) 454 949
20 (6) 312 652
30 (9) 250 524 986
40 (12) 214 448 844
50 (15) 190 397 748
60 (18) 172 360 678
70 (21) 158 331 624
80 (24) 147 308 580
90 (27) 138 289 544
100 (30) 131 273 514
Natural Gas
Rinnai Model Gas Input:
Answer:
A
199,000
65,000
C
1,000
3
(CFH)
C
(CFH)
199,000+65,000
1,000
(CFH)
264
3
/hr
Less than 2 psi
Propane (Undiluted)
Information in table obtained from
NFPA 54, ANSI Z223.1 - 2021.
1/2 3/4 1 1 1/4
10 (3) 291 608
20 (6) 200 418 787
30 (9) 160 336 632
40 (12) 137 287 541
50 (15) 122 255 480 985
60 (18) 110 231 434 892
70 (21) 101 212 400 821
80 (24) 94 197 372 763
90 (27) 89 185 349 716
100 (30) 84 175 330 677
Rinnai Model Gas Input:
Total Gas Input:
Answer:
A
199,000
65,000
Total Gas
Input
264,000
Total Gas
Input
=
Total Gas
Input
=
199,000 + 65,000