Installation Manual
Demand Duo™ R-Series Installation and Operation Manual 11
Top
Front Side
Measurements below
are shown in inches
(millimeters).
Models
CHS199100RiN
CHS199100RiP
Temperature and Pressure
Relief Valve
56.7 (1440.18)
32.3 (820.42)
PRV
69.4 (1762.76)
71.3 (1811.02)
6 in. B
-Vent
71.1 (1805.94)
1-1/2 in. MNPT Hot
37.2 (944.88)
Gas*
3.44 (87.37)
Drain
4.20 (106.68)
1-1/2 in. MNPT
Cold
Ø 28.3 (718.82)
33.7 (855.98)
18.7 (474.98)
*The gas connection includes a
36 in. long flex line.
Figure 3: Dimensions for 100 Gallon Storage Tank










