Vertical indirect-fired domestic hot water storage tank of high-grade stainless steel.
For domestic hot water heating applications which utilize hot water heating boilers.
Suitable for heating systems with:
- max. working pressure on heat exchanger side up to 220 psig at 392°F / 200°C
- max. working pressure on DHW water side of up to 150 psig at 210°F / 99°C
Standard Equipment:
DHW tank with pre-installed thermal insulation, NPT connections and installation fittings c/w temperature and 150 psig pressure relief valve,
thermometer, white epoxy-coated sheet steel casing, and adjustable feet.
Standard Warranty:
In residential applications, limited lifetime warranty for heat exchanger coil and tank, and 2 year warranty for insulation jacket,
controls, parts and accessories. In commercial applications, limited 10 year warranty for heat exchanger coil and tank,
and 2 year warranty for insulation jacket, controls, parts and accessories. See
warranty sheet for details.
Certifications and Listings:
CSA, AHRI
| Storage capacity |
42 |
USG |
160 |
L |
| Recovery rates *1 |
| with a DHW temperature increase from 50 to 140°F |
With supply flow rate of 22 GPM (5.0 m³/h) |
| (10 to 60°C) and a heating water supply temperature of... |
| 194°F / 90°C |
137
182 |
MBH
GPH |
40
693 |
kW
L/h |
| 176°F / 80°C |
108
143 |
MBH
GPH |
32
544 |
kW
L/h |
| 158°F / 70°C |
76
101 |
MBH
GPH |
22
383 |
kW
L/h |
| Recovery rates *1 |
| with a DHW temperature increase from 50 to 140°F |
With supply flow rate of 13.2 GPM (3.0 m³/h) |
| (10 to 60°C) and a heating water supply temperature of... |
| 194°F / 90°C |
133
176 |
MBH
GPH |
39
668 |
kW
L/h |
| 176°F / 80°C |
105
139 |
MBH
GPH |
31
527 |
kW
L/h |
| 158°F / 70°C |
75
98 |
MBH
GPH |
22
372 |
kW
L/h |
| Recovery rates *1 |
| with a DHW temperature increase from 50 to 140°F |
With supply flow rate of 8.8 GPM (2.0 m³/h) |
| (10 to 60°C) and a heating water supply temperature of... |
| 194°F / 90°C |
127
170 |
MBH
GPH |
37
642 |
kW
L/h |
| 176°F / 80°C |
100
134 |
MBH
GPH |
29
507 |
kW
L/h |
| 158°F / 70°C |
71
95 |
MBH
GPH |
21
360 |
kW
L/h |
| Recovery rates *1 |
| with a DHW temperature increase from 50 to 140°F |
With supply flow rate of 4.4 GPM (1.0 m³/h) |
| (10 to 60°C) and a heating water supply temperature of... |
| 194°F / 90°C |
113
150 |
MBH
GPH |
33
570 |
kW
L/h |
| 176°F / 80°C |
90
120 |
MBH
GPH |
26
454 |
kW
L/h |
| 158°F / 70°C |
65
86 |
MBH
GPH |
19
327 |
kW
L/h |
AHRI Certified Performance Rating *2 |
| Heating input |
119 |
MBH |
35 |
kW |
| Boiler supply water temperature |
180 |
°F |
82 |
°C |
| Heating supply flow rate |
14 |
GPM |
53 |
L/min |
| First draw |
34 |
USG |
128 |
L |
| First hour rating |
223 |
GPH |
844 |
L/h |
| Continuous draw rating |
189 |
GPH |
715 |
L/h |
| Standby heat loss |
0.8 |
°F/h |
0.4 |
°C/h |
| DHW Tank Side and Top Views |
 |
Dimensions
| a Ø |
25 in. |
634 mm |
| b |
26 in. |
661 mm |
| c |
47 in. |
1190 mm |
| d |
42 in. |
1062 mm |
| e |
33½ in. |
850 mm |
| f |
25¼ in. |
642 mm |
| g |
13½ in. |
342 mm |
| h |
3 in. |
77 mm |
| i |
13½ in. |
344 mm |
|
Legend
| BWR |
Boiler water return |
| BWS |
Boiler water supply |
| D |
Drain |
| DCW |
Domestic cold water |
| DHW |
Domestic hot water |
| IO |
Inspection and clean-out opening |
| RT |
DHW recirculation tapping |
| TPV |
Temperature and pressure relief valve |
| TS |
Clamp for tank temperature sensor or temperature controller and thermometer sensor. |
|
|
| Pressure Drop on Heating Water Side (Primary Circuit) |
 |
Legend
|
| Pressure Drop on Domestic Hot Water Side (Secondary Circuit) |
 |
Legend
|
| Valve Side View |
Drawing courtesy of Watts
|
Dimensions
| A |
1.16 in. |
40 mm |
| B |
3.17 in. |
81 mm |
| D |
1.19 in. |
30 mm |
| T |
4.00 in. |
100 mm |
|
Technical information subject to change without notice.
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Some product may not be exactly as illustrated.
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