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Net I=B=R Capacity (BTU)
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Net I=B=R Capacity (BTU)
I=B=R, also referred to as Net Output or AHRI Capacity, is the rated heat output of a boiler after accounting for combustion efficiency, piping loss, and an extra pickup factor. We recommend sizing steam boilers based on the I=B=R rating.
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Enter Net I=B=R Capacity (BTU) Range Minimum Value
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Enter Net I=B=R Capacity (BTU) Range Maximum Value
20000 - 39999 (4)
40000 - 59999 (12)
60000 - 79999 (30)
80000 - 99999 (24)
100000 - 119999 (25)
120000 - 139999 (21)
140000 - 159999 (15)
160000 - 179999 (16)
180000 - 199999 (4)
200000 - 219999 (6)
220000 - 239999 (5)
240000 - 259999 (3)
260000 - 279999 (1)
300000 - 319999 (1)
320000 - 339999 (3)
340000+ (1)
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DOE Heating Capacity (BTU)
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DOE Heating Capacity (BTU)
Also referred to as Gross Output, this is the output of a boiler after accounting for combustion efficiency. We recommend sizing hot water boilers based on the DOE Heating Capacity.
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Enter DOE Heating Capacity (BTU) Range Minimum Value
To
Enter DOE Heating Capacity (BTU) Range Maximum Value
30000 - 49999 (2)
50000 - 69999 (14)
70000 - 89999 (30)
90000 - 109999 (12)
110000 - 129999 (24)
130000 - 149999 (26)
150000 - 169999 (5)
170000 - 189999 (17)
190000 - 209999 (16)
210000 - 229999 (3)
230000 - 249999 (7)
250000 - 269999 (5)
270000 - 289999 (3)
290000 - 309999 (2)
350000 - 369999 (1)
370000 - 389999 (3)
450000 - 469999 (1)
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Heating BTU
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1000 - 10999 (1132)
11000 - 20999 (30)
21000 - 30999 (10)
31000 - 40999 (30)
41000 - 50999 (13)
51000 - 60999 (20)
61000 - 70999 (10)
71000 - 80999 (15)
81000 - 90999 (2)
91000 - 100999 (10)
101000 - 110999 (1)
111000 - 120999 (2)
121000+ (3)
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Maximum Input Capacity (BTU)
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Maximum Input Capacity (BTU)
The Maximum Input Capacity describes how quickly the appliance will use fuel when delivering it's maximum capacity. The units may change depending on the fuel being used.
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10000 - 39999 (28)
40000 - 69999 (51)
70000 - 99999 (46)
100000 - 129999 (81)
130000 - 159999 (54)
160000 - 189999 (39)
190000 - 219999 (41)
220000 - 249999 (21)
250000 - 279999 (25)
280000 - 309999 (29)
310000 - 339999 (7)
340000 - 369999 (15)
370000 - 399999 (5)
400000 - 429999 (12)
490000 - 519999 (3)
580000 - 609999 (1)
610000 - 639999 (1)
940000 - 969999 (1)
1000000+ (1)
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AFUE (%)
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AFUE (%)
AFUE (Annual Fuel Utilization Efficiency) measures the efficiency of combustion equipment over the entire heating season, and is calculated by dividing the amount of energy that is actually heating your home by the total energy contained in the fuel used by the boiler/furnace.
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58 - 60 (3)
64 - 66 (8)
67 - 69 (21)
70 - 72 (25)
73 - 75 (8)
76 - 78 (17)
79 - 81 (13)
82 - 84 (93)
85 - 87 (25)
91 - 93 (12)
94 - 96 (56)
97 - 99 (9)
Efficiency (%)
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77 - 78 (1)
93 - 94 (1)
Style
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Curved (14)
Panel (25)
Slab (1)
Slab Coil (2)
Straight (36)
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Available (1525)
Discontinued (1475)
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SunTouch ProMelt - 112 Sq Ft - Snow Melt Mat - 277V - 2' W x 56' L - 20.2 Amp Draw
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Crown Boiler Bermuda - 64K BTU - 82.0% AFUE - Steam Gas Boiler - Chimney Vent
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2% Check Discount
$3,091.00
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Crown Boiler Bermuda - 85K BTU - 82.0% AFUE - Steam Gas Boiler - Chimney Vent
Model: BSI138ENPZZPSU
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Crown Boiler Bermuda - 107K BTU - 82.1% AFUE - Steam Gas Boiler - Chimney Vent
Model: BSI172ENPZZPSU
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$3,742.00
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Crown Boiler Bermuda - 128K BTU - 82.1% AFUE - Steam Gas Boiler - Chimney Vent
Model: BSI207ENPZZPSU
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$4,121.00
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Crown Boiler Bermuda - 149K BTU - 82.2% AFUE - Steam Gas Boiler - Chimney Vent
Model: BSI241ENPZZPSU
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$4,430.00
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Crown Boiler Bermuda - 43K BTU - 81.9% AFUE - Steam Gas Boiler - Chimney Vent
Model: BSI069ENPZZPSU
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$2,833.00
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Ecostyle 8" Length - 1/2" Radsnap Pipe Cover - White
Model: RV-8RADSNAP
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Revolv Combustible Floor Base
Model: 8560001
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$362.00
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Revolv Register Collar - 10" x 4" x 6"
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Hydrolevel Safgard 1100 Low Water Cut-Off with Burner Circuit Test Button, 24 VAC, Standard Wiring Harness
Model: 1100
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Hydrolevel Safgard 1150 Low Water Cut-Off with Wire Harness, 120 VAC
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Hydrolevel Safgard 24 Heavy Duty Hot Water Boiler Low Water Cut-Off, 24 VAC, Standard EL1214 3/4" NPT Probe
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Hydrolevel Safgard 24 Heavy Duty Hot Water Boiler Low Water Cut-Off, 24 VAC, EL1214-SV 3/4" NPT Probe
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Hydrolevel Safgard 170 Heavy Duty Hot Water Boiler Low Water Cut-Off, 120 VAC, EL1214-SV 3/4" NPT Probe
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Hydrolevel Safgard 500 Commercial Hot Water Boiler Low Water Cut-Off, 24 VAC, Standard EL1214 3/4" NPT Probe
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Hydrolevel Safgard 550 Commercial Hot Water Boiler Low Water Cut-Off, 120 VAC, Standard EL1214 3/4" NPT Probe
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Hydrolevel Safgard 550 Commercial Hot Water Boiler Low Water Cut-Off, 120 VAC, EL1214-SV 3/4" NPT Probe
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Hydrolevel Safgard 550 Commercial Hot Water Boiler Low Water Cut-Off, 120 VAC, EL1214-P 3/4" NPT Probe
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Hydrolevel Safgard 600 Commercial Hot Water Boiler Low Water Cut-Off, 24 VAC, Standard EL1214 3/4" NPT Probe
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Hydrolevel Safgard 600 Commercial Hot Water Boiler Low Water Cut-Off, 24 VAC, EL1214-SV 3/4" NPT Probe
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