Rinnai water heater – Rinnai V3237FFU User Manual
Page 43
43
Rinnai Corporation
V3237 Models
RECOMMENDED PIPING FOR CIRCULATION SYSTEMS
103 I
D
C , G
30269
I
AI
A E
HEA E
D
H
- C
1
H
E
,
.
,
/
.
. I
/
. C
.
3/4" B
3/4"
C
C
B
D
KEY
M
3/4" C
L
2-5 G
E
H
120 F
B
F
B
(
3/4" L
)
B
E
G
1
1
1
Rinnai
Water Heater
C
A
,
C
A
.
D
B
. Pump to be
of Bronze or Stainless Construction.
Notes:
PLEASE NOTE FOR RESIDENTIAL
APPLICATIONS, THIS PIPING
ARRANGEMENT MAINTAINS FULL
WARRANTY:
10 Years On Heat Exchanger
5 Years On Parts
Commercial Application Warranty:
5 Years On Heat Exchanger
5 Years On Parts
E
L
(Residential and
Commercial)
H
(I
)
MC-91 C
(