Lochinvar KBII-I-O REV C 81 - 286 - Manual (Page 37)

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Installation & Operation Manual
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Flow Rate (GPM)
Pressure Drop vs. Flow (Includes Secondary Piping)
Pressure Drop (Feet of Head)
Figure 6-3 Pressure Drop vs. Flow
20°F Temperature Rise Applications
Model GPM FT/HD
Minimum Pipe
Size
Pump
Grundfos TACO B & G Armstrong
81 7.5 24 1" UPS26-99F 0011 NRF-36 E7
106 9.8 27 1" UPS26-99F 0013 NRF-36 E11
151 14.0 20 1" UPS26-99F 0011 NRF-36 E7
211 19.6 29 1" UPS32-160 1400-50 PL-55 E9
286 26.5 15 1-1/4" UPS32-80 1400-20 PL-36 E11
Table 6A Circulator Recommendations for Temperature Rise Applications_20°, 25°, and 35°
25°F Temperature Rise Applications
Model GPM FT/HD
Minimum Pipe
Size
Pump
Grundfos TACO B & G Armstrong
81 5.9 15.0 1" UPS15-58FC 0014 NRF-36 E7
106 7.7 17.5 1" UPS26-99F 0014 NRF-36 E7
151 11.0 12.8 1" UPS26-99F 0014 NRF-36 E7
211 15.5 19.0 1" UPS26-99F 0013 NRF-36 E7
286 21.0 11.5 1-1/4" UPS26-99F 0011 NRF-36 E7
Pumps listed in bold type are provided by the factory as the boiler circulation pump on standard altitude
models.
NOTICE
35°F Temperature Rise Applications
Model GPM FT/HD
Minimum Pipe
Size
Pump
Grundfos TACO B & G Armstrong
81 4.2 7.3 1" UPS15-58FC 007 NRF-22 Astro-30
106 5.5 9.3 1" UPS15-58FC 007 NRF-22 Astro-30
151 7.9 9.5 1" UPS15-58FC 008/0010 NRF-36 Astro-30
211 11.0 9.1 1" UPS15-58FC 0010 NRF-36 Astro-50
286 15.0 7.3 1-1/4" UP26-64F 008/0010 NRF-36 E7
Pumps listed in italicized type are provided by the factory as the boiler circulation pump on high altitude
models.
NOTICE
The temperature rise provided by a pump/model combination will decrease by 3% per 1000 feet of elevation. NOTICE
6
Hydronic piping
(continued)