Direct Fired Water Heaters
Keystone Condensing Water Heaters produce high volume hot water in with high energy efficiency.
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Perfectly sized for large residential and light commercial applications.
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Compact Footprint
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Modulating with 5 to 1 Turndown
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Advanced Cascade Capability
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Building Automation System Interface
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LP Conversion Kit
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PVC, PP, and SS Venting up to 100'
Performance Specifications
| Water Heater Model |
Fuel |
Input MBH |
Thermal Efficiency % |
Output MBH |
Turndown Ratio |
|
KW 199 T
|
Natural Propane
|
40 - 199
|
97
|
193
|
5 : 1
|
|
KW 285 T
|
Natural Propane
|
57 - 285
|
95
|
271
|
5 : 1
|
|
KW 399 T
|
Natural Propane
|
80 - 399
|
96
|
383
|
5 : 1
|
|
KW 500 T
|
Natural Propane
|
100 - 500
|
96
|
480
|
5 : 1
|
|
KW 600 T
|
Natural Propane
|
120 - 600
|
97
|
582
|
5 : 1
|
|
KW 750 T
|
Natural Propane
|
150 - 750
|
94
|
705
|
5 : 1
|
|
KW 850 T
|
Natural Propane
|
170 - 850
|
96
|
816
|
5 : 1
|
|
KW 1000 T
|
Natural Propane
|
100 - 1,000
|
95
|
950
|
10 : 1
|
|
KW 1200 T
|
Natural Propane
|
120 - 1,200
|
95
|
1140
|
10 : 1
|
