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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 Maximum Value
20000 - 39999 (4)
40000 - 59999 (12)
60000 - 79999 (30)
80000 - 99999 (24)
100000 - 119999 (25)
120000 - 139999 (21)
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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)
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210000 - 229999 (3)
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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 (1133)
11000 - 20999 (30)
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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)
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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)
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82 - 84 (93)
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97 - 99 (9)
Efficiency (%)
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77 - 78 (1)
93 - 94 (1)
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Curved (14)
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Slab Coil (2)
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Available (1525)
Discontinued (1475)
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SunTouch WarmWire - 100 Sq Ft - Radiant Floor Heating Wire - 240V - 391 ft Length - 5.0 Amp Draw
Model: 240100WB-CST
(4)
Q&A
(1)
$698.25
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SunTouch WarmWire - 140 Sq Ft - Radiant Floor Heating Wire - 240V - 548 ft Length - 7.0 Amp Draw
Model: 240140WB-CST
(4)
Q&A
(1)
$874.65
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SunTouch WarmWire - 160 Sq Ft - Radiant Floor Heating Wire - 240V - 626ft Length - 8.0 Amp Draw
Model: 240160WB-CST
(4)
Q&A
(1)
$994.88
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SunTouch WarmWire - 180 Sq Ft - Radiant Floor Heating Wire - 240V - 704 ft Length - 9.0 Amp Draw
Model: 240180WB-CST
(4)
Q&A
(1)
2% Check Discount
$1,117.20
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Modine HER - 10 kW - Electric Unit Heater - 240V/60Hz/1 Phase - Horizontal Orientation
Model: HER100C1201
(4)
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2% Check Discount
$1,691.00
Free Freight
Free Lift Gate
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Rinnai FC824 - 22k BTU - 99.9% AFUE - Vent-Free Propane Fan Convector
Model: FC824P
(4)
Q&A
(1)
$957.88
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Only 3 In-Stock
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Pensotti DD - Double Panel Wall Radiator - 16" H x 32" W - 4,835 BTU
Model: DD16.32DBL
(4)
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$460.00
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Pensotti DD - Single Panel Wall Radiator - 20" H x 16" W - 2,171 BTU
Model: DD20.16SNG
(4)
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$356.08
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Pensotti DD - Single Panel Wall Radiator - 24" H x 24" W - 3,746 BTU
Model: DD24.24SNG
(4)
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$403.01
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Revolv E7 - 53k BTU - Electric Furnace - Manufactured Home - 100% Efficiency - 15 kW - Multi-Position - Multi-Speed - No Coil Cabinet
Model: E7EM-015
(4)
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2% Check Discount
$1,058.00
Free Freight
Free Lift Gate
Only 1 In-Stock
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Revolv E7 - 35k BTU - Electric Furnace - Manufactured Home - 100% Efficiency - 10 kW - Upflow - Multi-Speed - Includes Coil Cabinet
Model: E7EU-010
(4)
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2% Check Discount
$1,144.00
Free Freight
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Revolv E7 - 53k BTU - Electric Furnace - Manufactured Home - 100% Efficiency - 15 kW - Upflow - Multi-Speed - Includes Coil Cabinet
Model: E7EU-015
(4)
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2% Check Discount
$1,256.00
Free Freight
Free Lift Gate
Only 2 In-Stock
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Revolv E7 - 75k BTU - Electric Furnace - Manufactured Home - 100% Efficiency - 23 kW - Upflow - Multi-Speed - Includes Coil Cabinet
Model: E7EU-023
(4)
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2% Check Discount
$1,381.00
Free Freight
Free Lift Gate
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SunTouch TapeMat - 20 Sq Ft - Radiant Floor Heating Mat - 120V - 3' W x 6' 8" L - 2.0 Amp Draw
Model: 12000636ST
(4)
Q&As
(2)
$360.15
Free Shipping
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Revolv - Roof Jack Kit - 2/12 Pitch - 35-63" Extension - For MG1E Furnaces
Model: 903664
(5)
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$269.00
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Only 5 In-Stock
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SunTouch TapeMat - 30 Sq Ft - Radiant Floor Heating Mat - 240V - 3' W x 10' L - 1.5 Amp Draw
Model: 24001036ST
(3)
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$530.25
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SunTouch TapeMat - 40 Sq Ft - Radiant Floor Heating Mat - 240V - 3' W x 13' 4" L - 2.0 Amp Draw
Model: 24001336ST
(3)
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$691.43
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SunTouch TapeMat - 50 Sq Ft - Radiant Floor Heating Mat - 240V - 3' W x 16' 8" L - 2.5 Amp Draw
Model: 24001636ST
(3)
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$846.83
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SunTouch TapeMat - 60 Sq Ft - Radiant Floor Heating Mat - 240V - 3' W x 20' L - 3.0 Amp Draw
Model: 24002036ST
(3)
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2% Check Discount
$1,008.53
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SunTouch TapeMat - 90 Sq Ft - Radiant Floor Heating Mat - 240V - 3' W x 30' L - 4.5 Amp Draw
Model: 24003036ST
(3)
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2% Check Discount
$1,465.80
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SunTouch TapeMat - 120 Sq Ft - Radiant Floor Heating Mat - 240V - 3' W x 40' L - 6.0 Amp Draw
Model: 24004036ST
(3)
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2% Check Discount
$1,911.00
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SunTouch TapeMat - 20 Sq Ft - Radiant Floor Heating Mat - 240V - 2' W x 10' L - 1.0 Amp Draw
Model: 24001024ST
(3)
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$360.15
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SunTouch TapeMat - 30 Sq Ft - Radiant Floor Heating Mat - 240V - 2' W x 15' L - 1.5 Amp Draw
Model: 24001524ST
(3)
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$530.25
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SunTouch TapeMat - 40 Sq Ft - Radiant Floor Heating Mat - 240V - 2' W x 20' L - 2.0 Amp Draw
Model: 24002024ST
(3)
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$702.45
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