Installation Manual

Demand Duo™ R-Series Installation and Operation Manual 10
Measurements below are
shown in inches
(millimeters).
Top
Front Side
Models
CHS19980RiN
CHS19980RiP
Temperature and Pressure
Relief Valve
54.28 (1378.7) 63.72 in. (1618.48) B
-Vent
4.19 (106.43)
1-1/2 in. MNPT
Cold
25.88 (657.35)
PRV
62.66 (1591.56)
3.54 (89.92)
Drain
29.60 (751.84)
Gas
64.71 (1643.63)
1-1/2 in. MNPT Hot
28.02 (711.70)
16.52 (419.60)
Ø 24.25 (615.95)
Figure 2: Dimensions for 80 Gallon Storage Tank