Rinnai Demand Duo Operation & Installation Manual page 26

SPECIFICATIONS
DD COMBO 250L & 315L
Note: All dimensions in millimetres
A
B
C
D
E (Diameter)
Hot/cold/return port
PTR port (s)
Sensor well port
850 kPa PTR
Valves x 2
Rinnai
DD250 DD250-50
1690 1690
1465 1465
285 285
385 385
600 600
32 50
20 20
20 20
850 kPa PTR
Valves x 2
Ø600
B
A
B
Sensor Well
1914
26
DD315 DD315-50
2080 2080
1855 1855
285 285
385 385
600 600
32 50
20 20
20 20
D
C
E
D
C
SH33000G11A
2080
1855
285
385
600
50
20
20
A
Sensor Well
E 675
83
HW Demand Duo Systems OIM