JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

Toggle Nav

Search

We ship to most places in continental USA

Chat with us

Need help

Our Locations

Home
HVAC
Boilers
Propane Boilers

Propane Boilers

Mbtu

Fuel Type

Medium

Water
Steam

Brands

Viessmann B2HA Vitodens Series Boilers

Natural Gas/Liquid Propane

94.50% Efficiency
Retail : $11,664.00 $9,447.84

You Save (19%)
Viessmann B2HA-80 Vitodens 200-W 80 Input MBtu - 92% AFUE - Gas Fired Wall Mounted Condensing Boiler
9908.009908.00
80 MBtu
B2HA-80

Viessmann B2HA-100 Vitodens 200-W 100 Input MBtu 94.5% AFUE Gas-Fired Wall-Mounted Condensing Boiler
10994.0010994.00
100 MBtu
B2HA-100
In Stock

Viessmann B2HA-112 Vitodens 200-W 112 Input MBtu - 92% AFUE - Gas Fired Wall Mounted Condensing Boiler
11985.0011985.00
112 MBtu
In Stock

Viessmann B2HA-150 Vitodens 200-W 150 Input MBtu 93.5% AFUE Gas-Fired Wall-Mounted Condensing Boiler
14659.0014659.00
150 MBtu
B2HA-150
In Stock
Qty:
Viessmann B2HE Gas-Fired Condensing Boiler

Natural Gas/Liquid Propane

93.50% Efficiency
Retail : $7,128.00 $5,773.68

You Save (19%)
Viessmann B2HE 150 Vitodens 200 W 150 Input MBtu 95% AFUE Gas-Fired Wall-Mounted Condensing Boiler
6134.006134.00
150 MBtu
In Stock

Viessmann 7722781 VITODENS 200-W 199 Input MBtu - 95% AFUE - Gas Fired Wall Mounted Condensing Boiler
7812.007812.00
199 MBtu
In Stock
Qty:
Laars FT Series Boiler - Heat Only

Natural Gas/Liquid Propane

95% Efficiency
Retail : $6,737.00 $3,840.09

You Save (43%)
Laars LFTHF199NA1XN FT Series 199 Input MBtu 95% AFUE High Efficiency Residential Natural Gas/Liquid Propane Floor Standing Heat Only Fire Tube Boiler - Direct Vent
6737.003840.09
199 MBtu
LFTHF199NA1XN
In Stock
Qty:
Bosch Greenstar Boiler

Natural Gas/Liquid Propane

Automatic

95% Efficiency
Retail : $9,512.00 $4,384.08

You Save (54%)
Bosch 7738100256 Greenstar 131 Input MBtu 95% AFUE Residential Indoor Wall Hung Natural/Liquid Propane Gas-Fired Boiler
9512.004384.08
131 MBtu
In Stock
Qty:
Bosch Greenstar Series Boiler

Natural Gas/Liquid Propane

95% Efficiency
Retail : $10,714.00 $4,938.08

You Save (54%)
Bosch 7733600084 Greenstar FS 152 Input MBtu 95% AFUE Combi Floor Standing Natural/Liquid Propane Gas Boiler
10714.004938.08
152 MBtu
In Stock
Qty:
IBC Condensing Boilers VX Series

Natural Gas/Liquid Propane

95% Efficiency
Retail : $4,930.00 $3,128.08

You Save (37%)
IBC Technologies VX110 VX™ Series, 110 Input MBtu 95% AFUE, High-Efficiency, Condensing, Residential Natural Gas/Liquid Propane Boiler
4286.002719.47
110 MBtu

IBC Technologies VX150 VX™ Series, 150 Input MBtu 95% AFUE, High-Efficiency, Condensing, Residential Natural Gas/Liquid Propane Boiler
4636.002941.54
150 MBtu

IBC Technologies VX199 VX™ Series, 199 input MBtu 95% AFUE, High-Efficiency, Condensing, Residential Natural Gas/Liquid Propane Boiler
4930.003128.08
199 MBtu
In Stock
Qty:
Viessmann Vitodens Series Boilers (Combi)

Gas, Water

Stainless Steel Heat Exchanger

Direct Vent

95% Efficiency

Combi Boiler
Retail : $4,324.00 $3,502.44

You Save (19%)
Viessmann 7722773 B1HE-120 VITODENS 100-W 120 Input MBtu - 95% AFUE - Gas Fired Wall Mounted Condensing Boiler
4300.004300.00
120 MBtu

Viessmann 7722774 B1HE-150 VITODENS 100-W 150 Input MBtu - 95% AFUE - Gas Fired Wall Mounted Condensing Boiler
5050.005050.00
150 MBtu
B1HE-150
In Stock

Viessmann 7722775 B1HE-199 VITODENS 100-W 199 Input MBtu - 95% AFUE - Gas Fired Wall Mounted Condensing Boiler
5566.005566.00
199 MBtu
B1HE-199
In Stock
Qty:
Viessmann Vitodens Series Boilers

Gas, Water

Stainless Steel Heat Exchanger

Direct Vent

95% Efficiency

Combi Boiler
Retail : $4,942.00 $4,003.02

You Save (19%)
Viessmann 7722776 B1KE-120 VITODENS 100-W 120 Input MBtu - 95% AFUE - Gas Fired Wall Mounted Condensing Boiler
4808.004808.00
120 MBtu
In Stock

Viessmann 7722777 B1KE-199 VITODENS 100-W 199 Input MBtu - 95% AFUE - Gas Fired Wall Mounted Condensing Boiler
6116.006116.00
199 MBtu
B1KE-199
In Stock
Qty:
Lochinvar WHB

Gas, Water

Stainless Steel Heat Exchanger

95.30% Efficiency

Combi Boiler
Retail : $7,309.00 $4,166.13

You Save (43%)
Laars LFTCF199NA1XN Floor Mount Combi Fire Tube Boiler 199 Input MBH 95% AFUE
7309.004166.13
199 MBtu
LFTCF199NA1XN
In Stock
Qty:
IBC Condensing Boilers G3 SL Series Propane

Liquid Propane, Water

Stainless Steel Heat Exchanger

Direct Vent

96% Efficiency
Retail : $14,785.00 $9,381.08

You Save (37%)
IBC Technologies 010-071 SL 260 Input MBtu - 96% AFUE Condensing Liquid Propane Gas Boiler - Direct Vent
9164.005814.56
260 MBtu
SL-300
In Stock

IBC Technologies 010-087 SL 399 Input MBtu - 96% AFUE Condensing Liquid Propane Gas Boiler - Direct Vent
14785.009381.08
399 MBtu
SL-400
In Stock
Qty:
Triangle Tube Prestige Solo Series Boilers

Gas, Water

Stainless Steel Heat Exchanger

Direct Vent

95% Efficiency
Retail : $5,109.00 $4,026.40

You Save (21%)
Triangle Tube PA80 80 Input MBtu - 95% AFUE ACVMax Control Condensing Natural Gas/Liquid Propane Boiler - Direct Vent
4732.003729.29
80 MBtu
PA80

Triangle Tube PA110 Prestige Solo 110 Input MBtu - 95% AFUE ACVMax Control Condensing Natural Gas/Liquid Propane Gas Boiler - Direct Vent
5109.004026.40
110 MBtu
PA110
In Stock

Triangle Tube PA155 153 Input MBtu - 95% AFUE ACVMax Control Condensing Natural Gas/Liquid Propane Boiler - Direct Vent
6331.004989.46
153 MBtu
PA155

Triangle Tube PA175 170 Input MBtu - 95% AFUE ACVMax Control Condensing Natural Gas/Liquid Propane Boiler - Direct Vent
6869.005413.46
170 MBtu
PA175
In Stock

Triangle Tube PA250 240 Input MBtu - 95% AFUE ACVMax Control Condensing Natural Gas/Liquid Propane Boiler - Direct Vent
8135.006411.19
240 MBtu
PA250
In Stock

Triangle Tube PA299 Prestige Solo 299 Input MBtu - 95% AFUE ACVMax Control Condensing Natural Gas/Liquid Propane Gas Boiler - Direct Vent
9930.007825.83
299 MBtu
PA299
In Stock

Triangle Tube PA399 399 Input MBtu - 95% AFUE ACVMax Control Condensing Natural Gas/Liquid Propane Boiler - Direct Vent
12579.009913.51
399 MBtu
PA399
Qty:
Rinnai Q Series Boiler (LP)

Liquid Propane

95% Efficiency

Combi Boiler
Retail : $8,000.00 $3,750.00

You Save (53%)
Rinnai Q175CP Q Series 175 Input MBtu 120 Voltage Liquid Propane Combination Boiler Direct Vent
8000.003750.00
175 MBtu
Q175CP
In Stock
Qty:
Weil-McLain Ultra S 4 Gas Boilers

Gas, Water

Aluminum Heat Exchanger

Direct Vent

94% Efficiency
Retail : $4,823.00 $3,810.17

You Save (21%)
Weil-Mclain 383-500-732 Ultra 80 Input MBtu 93.5% AFUE Natural Gas Condensing Water Boiler Series 4 - Direct Exhaust Or Direct Vent
4599.003633.21
80 MBtu
Ultra-80-BLR-S4
In Stock

Weil-Mclain 383-500-734 Ultra 105 Input MBtu 94% AFUE Natural Gas Condensing Water Boiler Series 4 - Direct Exhaust Or Direct Vent
4823.003810.17
105 MBtu
Ultra-105-BLR-S4
In Stock

Weil-Mclain 383-500-735 Ultra 155 Input MBtu 93.5% AFUE Natural Gas Condensing Water Boiler Series 4 - Direct Exhaust Or Direct Vent
5504.004348.16
155 MBtu
Ultra-155-BLR-S4
In Stock

Weil-Mclain 383-500-736 Ultra 230 Input MBtu 94.1% AFUE Natural Gas Condensing Water Boiler Series 4 - Direct Exhaust Or Direct Vent
7001.005530.79
230 MBtu
Ultra-230-BLR-S4
In Stock

Weil-Mclain 383-500-737 Ultra 299 Input MBtu 92.5% AFUE Natural Gas Condensing Water Boiler Series 4 - Direct Exhaust Or Direct Vent
9667.007636.93
299 MBtu
Ultra-299-BLR-S4
In Stock

Weil-Mclain 383-500-738 Ultra 399 Input MBtu 91.7% AFUE Natural Gas Condensing Water Boiler Series 4 - Direct Exhaust Or Direct Vent
12183.009624.57
399 MBtu
Ultra-399-BLR-S4
Qty:
Bosch ZBR Greenstar Heat Only Boilers

Gas, Water

Aluminum-Silicon Heat Exchanger

95% Efficiency

Heat Only
Retail : $9,751.00 $4,494.24

You Save (54%)
Bosch 7713331041 Greenstar Combination Space Heating Boiler cecbos greenstar 151 heat only zbr42
9751.004494.24
151 MBtu
7-712-231-413
In Stock

Bosch ZBR21-3 7-738-100-322 Greenstar 79, 79 Input MBtu, 95% AFUE, Wall Mounted Condensing Natural Gas/Liquid Propane Boiler Heat Only
7314.003371.02
79 MBtu
Qty:
Bosch ZWB Combi Boilers

Gas, Water

Aluminum-Silicon Heat Exchanger

95% Efficiency

Combi Boiler
Retail : $9,657.00 $4,450.91

You Save (54%)
Bosch 7738100611 Greenstar 151P 151.6 Input Mbtu 95% AFUE Combi Gas-Fired Wall-Hung Condensing Boiler (ZWB42-3A)
8636.003980.33
151 MBtu
In Stock

Bosch 7713331041 Greenstar 151 Input MBtu 95% AFUE, Combination Space Heating Boiler
9657.004450.91
151 MBtu
7-713-331-041
In Stock

Bosch ZBR21-3 7-738-100-002 Greenstar 100, 100 Input MBtu, 95% AFUE, Floor Standing Condensing Natural Gas/Liquid Propane Combi Boiler
8680.004000.61
100 MBtu

Bosch ZWB35-3 7-738-100-256 Greenstar 131, 131 Input MBtu, 95% AFUE, Wall Mounted Condensing Natural Gas/Liquid Propane Combi Boiler
8754.004327.10
131 MBtu
Qty:
Laars Mascot Ft Series Combi Boilers

Gas, Water

Stainless Steel Heat Exchanger

Direct Vent

95% Efficiency

Heat Only
Retail : $5,143.00 $2,540.64

You Save (51%)
Laars MFTHW080NA1XN MFTHW-80 Mascot Ft High Efficiency Residential 80,000 BTU 95% AFUE Natural Gas/Liquid Propane Wall Mount Condensing Heat Only Boiler
2668.361867.85
80 MBtu
MFTHW-80

Laars MFTHW140NA2XN Mascot Ft 140 Input MBtu - 95% AFUE Residential Natural Gas/Liquid Propane Wall Mount Condensing Heating Model Boiler - Direct Vent
4802.002372.19
140 MBtu
MFTHW-140
In Stock

Laars MFTHW199NA2XN Mascot Ft 199 Input MBtu - 95% AFUE Residential Natural Gas/Liquid Propane Wall Mount Condensing Heating Model Boiler - Direct Vent
5143.002540.64
199 MBtu
MFTHW-199
In Stock
Qty:
Laars Mascot Ft Series Combi Boilers (Wall Mount)

Gas, Water

Stainless Steel Heat Exchanger

Direct Vent

95% Efficiency

Combi Boiler
Retail : $5,916.00 $2,922.50

You Save (51%)
Laars MFTCW140NA2XN Mascot Ft 140 Input MBtu - 95% AFUE Residential Natural Gas/Liquid Propane Wall Mount Condensing Combi Boiler - Direct Vent
5290.002613.26
140 MBtu
FTCW-140
In Stock

Laars MFTCW199NA2XN Mascot Ft 199 Input MBtu - 95% AFUE Residential Natural Gas/Liquid Propane Wall Mount Condensing Combi Boiler - Direct Vent
5916.002922.50
199 MBtu
FTCW-199
In Stock
Qty:
Bosch SSB Series Boilers

Natural Gas/Liquid Propane
Retail : $5,084.00 $2,513.02

You Save (51%)
Buderus SSB-85 7-738-004-891 85 Input MBtu, Floor-Standing Residential Condensing Natural Gas/Liquid Propane, Stainless Steel Boiler
3989.001971.76
85 MBtu

Buderus SSB-160 7-738-004-893 160 Input MBtu, Commercial Natural Gas/Liquid Propane Stainless Steel Boiler, Direct Vent
5084.002513.02
160 MBtu

Buderus SSB-255 7-738-004-894 255 Input MBtu, Commercial Natural Gas/Liquid Propane Stainless Steel Boiler, Direct Vent
7319.003617.78
255 MBtu

Buderus SSB-512 7-738-004-896 512 Input MBtu, Commercial Natural Gas/Liquid Propane Stainless Steel Boiler, Direct Vent
13573.006709.13
512 MBtu
Qty:
IBC Condensing Boilers IFIRE Series

Natural Gas/Liquid Propane

96% Efficiency
Retail : $28,378.00 $18,005.84

You Save (37%)
IBC Technologies IFIRE400B IFiRE-B 399 Input Mbtu 96% AFUE Commercial Condensing Natural Gas/Liquid Propane Boiler
17010.0010792.84
399 MBtu

IBC Technologies 016-020 IFIRE-B 500 Input Mbtu 96% AFUE Commercial Condensing Natural Gas/Liquid Propane Boiler
21986.0013950.12
500 MBtu
016-020

IBC Technologies 016-030 IFIRE-B 650 Input Mbtu 96% AFUE Commercial Condensing Natural Gas/Liquid Propane Boiler
28378.0018005.84
650 MBtu
016-030
Qty:
Peerless 63 Series Boilers - LP

Liquid Propane

Packaged
Retail : $6,303.00 $4,727.25

You Save (25%)
Peerless 63007 63-03L 63™ Series 88 Input MBtu, 9.3 Gallon 83% AFUE Spark Ignition Residential, Liquid Propane, Boiler, Chimney Vent
5241.003930.75
88 MBtu
63007

Peerless 63231 63-04 63™ Series 177 Input MBtu, 10.8 Gallon 82.4% AFUE Spark Ignition Residential, Liquid Propane, Boiler, Chimney Vent
6303.004727.25
177 MBtu
63231
Qty:

Shopping Options

By using this site you agree to our © 2025 AF Supply Corp. All Rights Reserved.