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BTU Input

0 - 50,000 (24)
50,000 - 60,000 (18)
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100,000+ (249)

BTU Output

20,000 - 50,000 (43)
50,000 - 75,000 (42)
75,000 - 100,000 (58)
100,000 - 125,000 (51)
125,000 - 150,000 (36)
150,000 - 175,000 (30)
175,000 - 200,000 (14)
200,000+ (36)

Efficiency

0 - 80% (7)
80 - 85% (190)
85 - 90% (13)
90 - 95% (108)
95% + (109)

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(24)
(7)
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(1)

Price Range

$10 to $15 (1)
$100 to $200 (1)
$1500 to $2000 (1)
$2000 to $2500 (21)
$2500 to $3000 (48)
$3000 to $3500 (50)
$3500 to $4000 (42)
$4000 to $4500 (31)
$4500 to $5000 (32)
$5000 to $10000 (85)

Natural Gas Boilers

330 items
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Product Image of JX-125 105,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Low Loss Header & Pump Assembly (0-2,000 FT)
$2,673.54 each
In Stock
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Product Image of JX-150 134,400 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Low Loss Header & Pump Assembly (0-2,000 FT)
JX-150 134,400 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Low Loss Header & Pump Assembly (0-2,000 FT)
SKU: JX150NLXU1
Laars
SKU: JX150NLXU1
Brand: Laars
$2,821.50 each
In Stock
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Product Image of JX-75 63,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Pump (0-2,000 FT)
$2,326.12 each
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Product Image of NRCB180DV 180,000 BTU Combi Boiler (NG)
NRCB180DV 180,000 BTU Combi Boiler (NG)
SKU: NRCB180DV-NG
Noritz
SKU: NRCB180DV-NG
Brand: Noritz
(1)
$2,866.00 each
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Product Image of ECO Tec Series 2 110-H 87,000 BTU Output Natural Gas Boiler
$3,697.29 each
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Product Image of 182,000 BTU Output FT Series High Efficiency, Floor Standing Heat Only Fire Tube Boiler (NG or LP)
$4,566.86 each
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Product Image of 89,000 BTU Output Knight High Efficiency Boiler w/ Fire Tube Heat Exchanger (Wall Mount) (NG)
$4,467.80 each
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Product Image of Simplicity 199 Combination Wall Mount Boiler, 199,000 BTU (NG)
$3,776.86 each
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Product Image of ECO Tec Series 2 199-C 160,000 BTU Output High-Efficiency Residential Condensing Combi Boiler (NG)
$4,404.90 each
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Product Image of 125,000 BTU Output Knight High Efficiency Boiler w/ Fire Tube Heat Exchanger (Wall Mount) (NG)
$5,379.12 each
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Product Image of ALTAC-200, 123,000 BTU Output High Efficiency High Altitude Gas Combi Boiler (0 to 10,000 Ft.)
$4,087.13 each
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Product Image of HW-420-NG Burkay 336,000 BTU Output Electronic Ignition Hot Water Boiler (Nat Gas)
$8,792.15 each
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Product Image of CGI-5 - 88,000 BTU Output Cast Iron Boiler, Spark Ignition - Series 5 (Nat Gas)
$3,798.02 each
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Product Image of GV90+3 56,000 BTU Output High Efficiency Gas Boiler (Nat Gas & LP)
$4,005.42 each
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Product Image of 199,000 BTU Noble Fire Tube High Efficiency Boiler (NG)
$3,376.33 each
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Product Image of JX-75 63,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler (0-2,000 FT)
$2,464.77 each
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Product Image of 203E 50,000 BTU Output, Gas Fired, Chimney Vented, Cast Iron Water Boiler (Nat Gas)
$2,867.48 each
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Product Image of 199,000 BTU Output Knight High Efficiency Boiler w/ Fire Tube Heat Exchanger (Floor Mount) (NG)
$6,434.56 each
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Product Image of IP175199C 175,000 BTU Condensing Wall Mounted Boiler (NG/LP)
$3,296.30 each
In Stock
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Product Image of JX-200 168,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Low Loss Header & Pump Assembly (0-2,000 FT)
$3,348.00 each
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Product Image of ZWB 42-3 Greenstar 151 117,000 BTU Combi Gas-Fired Wall-Hung Condensing Boiler
$5,587.01 each
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Product Image of B1KE-199 199,000 BTU Vitodens 100-W Gas-Fired Wall-Mounted Condensing Combi Boiler
$5,844.51 each
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Product Image of 121,000 BTU Output Knight High Efficiency Boiler w/ Fire Tube Heat Exchanger (Floor Mount) (NG)
$5,379.11 each
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Product Image of JX-200 168,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Low Loss Header & Pump Assembly (5,001-8,000 FT)
$3,704.76 each
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Product Image of Simplicity 150 Combination Wall Mount Boiler, 150,000 BTU (NG)
$3,349.86 each
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Product Image of Ultra 299 - 234,000 BTU Output High Efficiency Boiler - Series 4 (Nat Gas or LP)
$7,866.82 each
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Product Image of 229,000 BTU Output Knight High Efficiency Boiler w/ Fire Tube Heat Exchanger (Floor Mount)
$8,882.46 each
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Product Image of 69,000 BTU Output Knight High Efficiency Boiler w/ Fire Tube Heat Exchanger (Wall Mount) (NG)
$4,085.94 each
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Product Image of 745,000 BTU Copper-Fin Boiler (NG)
745,000 BTU Copper-Fin Boiler (NG)
SKU: CBN0747-M13
Lochinvar
SKU: CBN0747-M13
Brand: Lochinvar
$10,002.88 each
In Stock
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Product Image of CGI-4 - 66,000 BTU Output Cast Iron Boiler, Spark Ignition - Series 5 (Nat Gas)
$3,143.95 each
In Stock
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Product Image of IP090099C 90,000 BTU Condensing Wall Mounted Boiler (NG/LP)
$2,581.32 each
In Stock
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Product Image of Simplicity 110 Combination Wall Mount Boiler, 110,000 BTU (NG)
$3,151.16 each
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Product Image of IN3, 38,000 BTU Output Independence Steam Boiler, Electronic Ignition (Nat Gas)
$2,686.26 each
In Stock
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Product Image of PF-80 - 64,000 BTU Output PUREFIRE High Efficiency Residential Boiler (Nat Gas)
$4,879.37 each
In Stock
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Product Image of HW-200M Burkay 199,000 BTU Input Electronic Ignition Hot Water Boiler (Natural Gas)
$5,226.70 each
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Product Image of CGI-6 - 117,000 BTU Output Cast Iron Boiler, Spark Ignition w/ Taco 007 Circulator - Series 5 (Nat Gas)
$4,250.30 each
In Stock
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Product Image of Ultra 80 - 62,000 BTU Output High Efficiency Boiler - Series 4 (Nat Gas)
$3,742.23 each
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Product Image of 202E 28,000 BTU Output, Gas Fired, Chimney Vented, Cast Iron Water Boiler (Nat Gas)
$2,626.50 each
In Stock
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Product Image of 69,000 BTU Output Knight High Efficiency Boiler w/ Fire Tube Heat Exchanger (Floor Mount) (NG)
$4,486.04 each
In Stock
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Product Image of MI-03-e - 50,000 BTU Output Intermittent Ignition Packaged Residential Water Boiler (Nat Gas)
$3,691.42 each
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Product Image of 204EN 76,000 BTU Output, Gas Fired, Chimney Vented, Cast Iron Water Boiler (Nat Gas)
$3,256.51 each
Out of Stock
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Product Image of JX-150 134,400 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Low Loss Header & Pump Assembly (2,001-5,000 FT)
$2,648.38 each
In Stock
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Product Image of ALP150B 119,000 BTU Output Condensing Boiler (Wall or Floor Mount)
$5,894.99 each
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Product Image of 209E 202,000 BTU Output, Gas Fired, Chimney Vented, Cast Iron Water Boiler (Nat Gas)
$5,529.76 each
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Product Image of JX-100 84,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Pump (5,001-8,000 FT)
$2,843.44 each
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Product Image of JX-125 105,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Low Loss Header & Pump Assembly (5,001-8,000 FT)
$2,595.42 each
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Product Image of 110,000 BTU Noble Fire Tube High Efficiency Boiler (NG)
$2,621.20 each
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Product Image of Greenstar ZBR21-3 62,000 BTU Output Gas Fired Wall Mounted Boiler - Heat Only (NG/LP)
$3,596.40 each
In Stock
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