Independence Product Data Sheet

© 2019 U.S. Boiler Company, Inc. - Lancaster, PA
Phone: [phone]
Printed in the U.S.A.
Form No. HYDL07084-10Ms (rev 6/19)
Independence PV Ratings & Specications (Natural Gas, Packaged)
Boiler
Model
Input
MBH
DOE
Heating
Capacity
MBH (1)
AHRI Net
Ratings
Maximum
Vent Length
Equivalent
Ft. (2) (3) AFUE%
Approx
Shipping
Weight
(LBS.)
Steam
MBH
Steam
Sq. Ft.
IN3PVNI 62 52 39 163 45 83.2 355
IN4PVNI 105 87 65 271 35 82.2 425
IN5PVNI 140 116 87 363 35 82.2 490
IN6PVNI 175 145 109 454 35 82.2 560
1. Capacities and ratings are based on steam combustion efficiency of 83.0%.
(84.1% for IN3PVNI)
2. The approved venting system for the Independence PV is 3” AL29-4C
®
stainless steel only, as
specified in IO&S instructions.
3. Vent pipe length is listed in equivalent feet. Any elbows or tees used can have specific values
which must be subtracted from the total length to determine maximum length of straight pipe.
Consult Installation, Operating, and Service Instructions for details.
Dimensions
Boiler
Model
A B C D E F G
IN3I 14-1/2 40 33-3/4 4 40-1/4 4-3/4 7-1/4
IN4I 17-3/4 40 34-3/4 5 40-1/4 4-3/4 8-7/8
IN5I 21 40 35-3/4 6 40-1/4 5-1/4 10-1/2
IN6I 24-1/4 40 35-3/4 6 40-1/4 5-1/4* 12-1/8*
IN7I 27-1/2 40 36-3/4 7 40-1/4 7-1/2 13-3/4
IN8I 30-3/4 40 36-3/4 7 40-1/4 7-1/2* 15-3/8*
IN9I 34 40 37-3/4 8 40-1/4 7-1/2 17
IN10I 37-1/4 45 38-3/4 8 45-1/2 7-1/2 18-5/8
IN11I 40-1/2 45 38-3/4 9 45-1/2 7-1/2 20-1/4
IN12I 43-3/4 45 38-3/4 9 45-1/2 7-1/2 21-7/8
IN3PVNI 14-1/2 45 N/A 3 N/A N/A 4
IN4PVNI 17-3/4 45 N/A 3 N/A N/A 8-1/4
IN5PVNI 21 45 N/A 3 N/A N/A 9-1/4
IN6PVNI 24-1/4 45 N/A 3 N/A N/A 9-1/4
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Standard Equipment
(Semi Pack & K/D):
• Section assembly
• Insulated deluxe jacket
• Base-burner manifold assy.
• Flame roll-out switch (FRS)
• Gas control assembly
• Canopy
• Rear drafthood (sizes 3-9 only)
• Blocked vent switch
• Vent damper
Packaged Boilers add:
• Pressure limit
• 24V transformer
• Probe type LWCO
• Junction box
• Thermostat isolating relay
• Electronic ignition assembly
• 15 PSI safety valve
• Steam gauge
• Gauge glass
• 3/4” drain valve
• Wiring harness
PV Boilers add (in lieu of
chimney venting equipment):
• Induced draft fan
• Suction pressure switch
• Thermostat blower relay
• Vent accessory carton: vent
connector with locking band,
vent terminal, clamp
• 3 oz. tube, silicone sealant
A
S
M
E
H
Independence Ratings & Specications*
Model*
Max
Input
MBH
1
Heating
Capacity
MBH
AHRI Net Ratings
2
AFUE %
Approx
Shipping
Weight (Lbs.)
Minimum Chimney
Requirements
(Round) Dia.
(In.) x Ht. (Ft.)
3
Steam
MBH
Steam
Sq. Ft.
IN3I 62 51 38 158 81.9 350 4x15
IN4I 105 87 65 271 82.0 420 5x15
IN5I 140 115 86 358 82.0 485 6x15
IN6I 175 144 108 450 82.1 555 6x15(5)
IN7I 210 173 130 542 82.1 620 7x15
IN8I 245 202 152 633 82.2 690 7x15(5)
IN9I 280 231 173 721 82.2 760 8x15
Gross Output
MBH
Thermal
Efciency %
IN10-I 315 250 188 783 79.5 815 8 x15(5)
IN11-I 349 277 208 867 79.5 885 9x15
IN12-I 385 306 230 958 79.5 815 9x15
*LP available on IN3-IN9
1. Ratings shown are for installations at sea level and
elevations up to 2,000 ft. For higher elevations,
reduce ratings 4% for each 1,000 ft. above
sea level (U.S. only).
2. The Net AHRI Steam Ratings shown are based
on a piping and pickup allowance of 1.333.
3. 15 ft. height is measured from top of drafthood
to top of chimney.
4. IN10-1, IN-11 not ETL listed for Canada
The manufacturer should be consulted before selecting a boiler for
installations having unusual piping and pickup requirements, such as
intermittent system operation, extensive piping, etc.
Max Working Pressure: 15 PSI Steam