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Fuel Type

Medium

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Steam

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Green Mountain GMSBO Series

Oil-Fired, Steam

Cast Iron Heat Exchanger

Chimney Vent

85% Efficiency

Without Burner
Retail : $5,231.00 $2,992.13

You Save (43%)
Green Mountain SBO310521700104 GMSBO 147 Input MBtu - 85% AFUE Oil-Fired Steam Boiler - Chimney Vent (Burner Sold Separately)
4809.002750.75
147 MBtu
SBO-3
In Stock

Green Mountain SBO415021700104 GMSBO 210 Input MBtu - 85% AFUE Oil-Fired Steam Boiler - Chimney Vent (Burner Sold Separately)
5231.002992.13
210 MBtu
SBO-4
In Stock
Qty:
Williamson OSB Oil Fired Steam Boilers

Oil-Fired, Steam

Cast Iron Heat Exchanger

Chimney Vent

85% Efficiency

Without Burner

Packaged
Retail : $5,232.00 $3,623.16

You Save (31%)
Williamson OSB-3-P-S3-W OSB Series 3 114,000 BTU 85% AFUE Oil-Fired Chimney Vent Steam Boiler, Probe LWCO, 3 Section (Burner and Tankless Coil Sold Separately)
3988.002761.69
114 MBtu
OSB-3-P-S3-W
In Stock

Williamson OSB-4-P-S3-W OSB Series 3 144,000 BTU 85% AFUE Oil-Fired Chimney Vent Steam Boiler, Probe LWCO, 4 Section (Burner and Tankless Coil Sold Separately)
4470.003095.47
144 MBtu
OSB-4-P-S3-W
In Stock

Williamson OSB-5-P-S3-W OSB Series 3 174,000 BTU 85% AFUE Oil-Fired Chimney Vent Steam Boiler, Probe LWCO, 5 Section (Burner and Tankless Coil Sold Separately)
5232.003623.16
174 MBtu
OSB-5-P-S3-W
In Stock

Williamson OSB-6-P-S3-W OSB Series 3 210,000 BTU 85% AFUE Oil-Fired Chimney Vent Steam Boiler, Probe LWCO, 6 Section (Burner and Tankless Coil Sold Separately)
5850.004051.12
210 MBtu
OSB-6-P-S3-W
In Stock
Qty:
Peerless WBV Steam Boilers Less Burner

Oil-Fired, Steam

Natural Draft

Without Burner

Packaged
Retail : $5,414.00 $3,898.08

You Save (28%)
Peerless 14366 WBV-E-03-SPL WBV® Series 147 Input MBtu, 85% AFUE, Residential Oil-Fired Steam Boiler, Natural Draft (Packaged - Burner Sold Separately)
4405.003171.60
119 MBtu
14366

Peerless 14465 WBV-E-04-SPL WBV® Series 175 Input MBtu, 85% AFUE, Residential Oil-Fired Steam Boiler, Natural Draft, No Coil Opening (Packaged - Burner Sold Separately)
5414.003898.08
175 MBtu
14465
In Stock
Qty:
Peerless WBV Steam Boilers With Coil

Oil-Fired, Steam

Natural Draft

Without Burner

With Coil

Packaged
Retail : $5,866.00 $4,223.52

You Save (28%)
Peerless 14466 WBV-E-04-SPTL WBV® Series 175 Input MBtu, 85.6% AFUE Residential Oil-Fired Steam Boiler with Circulator and Tankless Coil (Packaged - Burner Sold Separately)
5866.004223.52
175 MBtu
14466
In Stock

Peerless 14378 WBV-E-03-SPTL WBV® Series 119 Input MBtu, 85.6% AFUE Residential Oil-Fired Steam Boiler with Circulator and Tankless Coil (Packaged - Burner Sold Separately)
5189.003736.08
119 MBtu
14378
In Stock
Qty:
Peerless WBV Oil Fired Water Boilers Less Burner

Oil-Fired, Water

Without Burner

Packaged
Retail : $4,906.00 $3,532.32

You Save (28%)
Peerless 13508 WBV-E-05-WPCL WBV® Series 273 Input MBtu, 86.6% AFUE Residential Oil-Fired Water Boiler With Circulator and Hydrostat, Atmospheric Vent (Packaged - Burner Sold Separately)
6249.004499.28
273 MBtu
13508
In Stock

Peerless 14359 WBV-E-03-WPCL WBV® Series 147 Input MBtu, 86.6% AFUE Residential Oil-Fired Water Boiler With Circulator and Hydrostat, Atmospheric Vent (Packaged - Burner Sold Separately)
4097.002949.84
147 MBtu
14359
In Stock

Peerless 14458 WBV-E-04-WPCL WBV® Series 210 Input MBtu, 87% AFUE Residential Oil-Fired Water Boiler With Circulator And Hydrostat, Atmospheric Vent (Packaged - Burner Sold Separately)
4906.003532.32
210 MBtu
14458
In Stock
Qty:
Green Mountain GMOW Series I

Oil-Fired, Water

Cast Iron Heat Exchanger

Chimney Vent

86% Efficiency

Without Burner

With Coil
Retail : $4,328.00 $2,475.62

You Save (43%)
Green Mountain GMA308522210504 GMOWT 119 Input MBtu - 86% AFUE Oil-Fired Hot Water Boiler - with Tankless Coil - Chimney Vent (Burner Sold Separately)
4060.002322.32
119 MBtu
GMOW-3T
In Stock

Green Mountain GMA412522210504 GMOWT 175 Input MBtu - 86% AFUE Oil-Fired Hot Water Boiler - with Tankless Coil - Chimney Vent (Burner Sold Separately)
4328.002475.62
175 MBtu
GMOW-4T
In Stock

Green Mountain GMA516022210504 GMOWT 224 Input MBtu - 86% AFUE Oil-Fired Hot Water Boiler - with Tankless Coil - Chimney Vent (Burner Sold Separately)
5306.003035.03
224 MBtu
GMOW-5T
In Stock

Green Mountain GMA618522210504 GMOWT 259 Input MBtu - 86% AFUE Oil-Fired Hot Water Boiler - with Tankless Coil - Chimney Vent (Burner Sold Separately)
6028.003448.02
259 MBtu
GMOW-6T
In Stock
Qty:
Williamson OWB Oil Fired Water Boilers without Coil

Oil-Fired, Water

Cast Iron Heat Exchanger

Chimney Vent

87% Efficiency

Without Burner

Without Coil

Packaged
Retail : $3,360.00 $2,326.80

You Save (31%)
Williamson OWB-3-T-S3-W OWB Series 3 98,000 BTU 87% AFUE Oil-Fired Chimney Vent Water Boiler, Without Coil, Taco 007, 3 Section (Burner Sold Separately)
3360.002326.80
98 MBtu
OWB-3-T-S3-W
In Stock

Williamson OWB-4-T-S3-W OWB Series 3 140,000 BTU 87% AFUE Oil-Fired Chimney Vent Water Boiler, Without Coil, Taco 007, Section (Burner Sold Separately)
3986.002448.48
140 MBtu
OWB-4-T-S3-W
In Stock

Williamson OWB-5-T-S3-W OWB Series 3 168,000 BTU 87% AFUE Oil-Fired Chimney Vent Water Boiler, Without Coil, Taco 007, 5 Section (Burner Sold Separately)
4426.003065.00
168 MBtu
OWB-5-T-S3-W
In Stock

Williamson OWB-6-T-S3-W OWB Series 3 196,000 BTU 87% AFUE Oil-Fired Chimney Vent Water Boiler, Without Coil, Taco 007, 6 Section (Burner Sold Separately)
5180.003587.15
196 MBtu
OWB-6-T-S3-W
In Stock
Qty:
Peerless EC Series Boiler without Burner

Oil-Fired, Steam

86% Efficiency

Without Burner

Knockdown(Assembly required)
Retail : $5,338.00 $3,843.36

You Save (28%)
Peerless 1504014 EC-e-04-S 210 Input MBtu 86% AFUE Oil Steam Boiler - (Knockdown - Burner Sold Separately)
4525.003258.00
210 MBtu
EC-e-04-S
In Stock
Qty:
Peerless EC(T) Series Boiler without Burner

Oil-Fired, Water

86% Efficiency

Without Burner

Knockdown(Assembly required)
Retail : $4,713.00 $3,393.36

You Save (28%)
Peerless 1603023 ECT-e-03-W 140 Input MBtu 86% AFUE Oil Water Boiler - (Knockdown - Burner Sold Separately)
3996.002877.12
140 MBtu
ECT-e-03-W
In Stock
Qty:
Peerless Boilers EC(T)

Oil-Fired, Steam

86% Efficiency

Without Burner

Knockdown(Assembly required)
Retail : $4,384.00 $3,156.48

You Save (28%)
Peerless 1603025 ECT-e-03-S 140 Input MBtu 86% AFUE Oil Steam Boiler - (Knockdown - Burner Sold Separately)
3717.002676.24
140 MBtu
ECT-e-03-S
In Stock
Qty:
Peerless Boilers EC

Oil-Fired, Water

86% Efficiency

Without Burner

Knockdown(Assembly required)
Retail : $5,663.00 $4,077.36

You Save (28%)
Peerless 1504012 EC-e-04-W 210 Input MBtu 86% AFUE Oil Water Boiler - (Knockdown - Burner Sold Separately)
4801.003456.72
210 MBtu
EC-e-04-W
In Stock
Qty:
Green Mountain GMOW Series

Oil-Fired, Water

Cast Iron Heat Exchanger

Chimney Vent

86% Efficiency

Without Burner
Retail : $4,949.00 $2,830.83

You Save (43%)
Green Mountain GMA308520210504 GMOW 119 Input MBtu - 86% AFUE Oil-Fired Hot Water Boiler - Chimney Vent (Burner Sold Separately)
3618.002069.50
119 MBtu
GMOW-3
In Stock

Green Mountain GMA412520210504 GMOW 175 Input MBtu - 86% AFUE Oil-Fired Hot Water Boiler - Chimney Vent (Burner Sold Separately)
3957.002263.40
175 MBtu
GMOW-4
In Stock

Green Mountain GMA516020210504 GMOW 224 Input MBtu - 86% AFUE Oil-Fired Hot Water Boiler - Chimney Vent (Burner Sold Separately)
4949.002830.83
224 MBtu
GMOW-5
In Stock

Green Mountain GMA618520210504 GMOW 259 Input MBtu - 86% AFUE Oil-Fired Hot Water Boiler - Chimney Vent (Burner Sold Separately)
5666.003240.95
259 MBtu
GMOW-6
In Stock
Qty:
Peerless Boilers WBV Series Water

Oil-Fired, Water

87% Efficiency

Without Burner

Knockdown(Assembly required)
Retail : $4,384.00 $3,156.48

You Save (28%)
Peerless 1305036 WBV-E-05-W 245 Input MBtu - 86% AFUE - Residential Oil-Fired Water Boiler - (Knockdown - Burner Sold Separately)
5255.003783.60
245 MBtu
WBV-E-05-W
In Stock

Peerless 1403082 WBV-E-03-W 119 Input MBtu - 87% AFUE - Residential Oil-Fired Water Boiler - (Knockdown - Burner Sold Separately)
3696.002661.12
119 MBtu
WBV-E-03-W
In Stock

Peerless 1404087 WBV-E-04-W 175 Input MBtu - 87% AFUE - Residential Oil-Fired Water Boiler - (Knockdown - Burner Sold Separately)
4384.003156.48
175 MBtu
WBV-E-04-W
In Stock
Qty:
Peerless ECT Series Steam

Oil-Fired, Steam

Cast Iron Heat Exchanger

Natural Draft

86% Efficiency

Without Burner

Knockdown(Assembly required)
Retail : $5,416.00 $3,899.52

You Save (28%)
Peerless 1604022 ECT-E-04-S 210 Input MBtu - 85% AFUE - Residential Oil-Fired Steam Boiler Natural Draft - (Knockdown - Burner Sold Separately)
5416.003899.52
210 MBtu
ECT-E-04-S
In Stock

Peerless 1605009 ECT-E-05-S 280 Input MBtu 85% AFUE - Residential Oil-Fired Steam Boiler Natural Draft - (Knockdown - Burner Sold Separately)
6585.004741.20
280 MBtu
ECT-E-05-S
In Stock

Peerless 1606102 ECT-06-S ECT Series Residential Oil-Fired Steam Boiler, 385,000 BTU, 85.2% AFUE, Natural Draft (Knockdown - Burner Sold Separately)
7837.005642.64
420 MBtu
ECT-06-S
In Stock
Qty:
Peerless Boilers EC(T) Series (Water)

Oil-Fired, Water

Cast Iron Heat Exchanger

Natural Draft

86% Efficiency

Without Burner

Knockdown(Assembly required)
Retail : $5,742.00 $4,134.24

You Save (28%)
Peerless 1604032 ECT-E-04-W 210 Input MBtu - 86% AFUE - Residential Oil-Fired Water Boiler - Natural Draft - (Knockdown - Burner Sold Separately)
5742.004134.24
210 MBtu
ECT-E-04-W
In Stock

Peerless 1605007 ECT-e-05-W 280 Input MBtu - 86% AFUE - Residential Oil-Fired Water Boiler Natural Draft - (Knockdown - Burner Sold Separately)
6911.004975.92
280 MBtu
ECT-e-05-W
In Stock

Peerless 1606100 ECT-06-W 385 Input MBtu, 85.2% AFUE - Residential Oil-Fired Water Boiler - Natural Draft (Knockdown - Burner Sold Separately)
8161.005875.92
420 MBtu
ECT-06-W
In Stock
Qty:
Peerless Boilers EC

Oil-Fired, Steam

Cast Iron Heat Exchanger

86% Efficiency

Without Burner

Knockdown(Assembly required)
Retail : $6,697.00 $4,821.84

You Save (28%)
Peerless Boilers 1505018 EC-e-05-S Steam Knockdown Boiler 280 Input MBtu 86% AFUE Oil Less Burner
5460.043931.23
280 MBtu
Qty:
Peerless EC Series Water

Oil-Fired, Water

Cast Iron Heat Exchanger

Natural Draft

86% Efficiency

Without Burner

Knockdown(Assembly required)
Retail : $7,024.00 $5,057.28

You Save (28%)
Peerless 1503007 EC-E-03-W 140 Input MBtu - 86% AFUE - Residential Oil-Fired Water Boiler - Natural Draft - (Knockdown - Burner Sold Separately)
4663.003357.36
140 MBtu
EC-E-03-W
In Stock

Peerless 1505015 EC-E-05-W 280 Input MBtu - 86% AFUE - Residential Oil-Fired Water Boiler Natural Draft - (Knockdown - Burner Sold Separately)
7024.005057.28
280 MBtu
EC-E-05-W
In Stock
Qty:
Peerless EC Series Boiler

Oil-Fired, Steam

Cast Iron Heat Exchanger

Natural Draft

86% Efficiency

Without Burner

Knockdown(Assembly required)
Retail : $4,335.00 $3,121.20

You Save (28%)
Peerless 1503022 EC-e-03-S 140 Input MBtu - 85% AFUE - Residential Oil-Fired Steam Boiler - Natural Draft - (Knockdown - Burner Sold Separately)
3977.002863.44
140 MBtu
EC-e-03-S
In Stock
Qty:
Peerless SC Series

Gas, Steam

Forced Draft

83% Efficiency

Without Burner

Knockdown(Assembly required)
Retail : $9,987.00 $7,989.60

You Save (20%)
Peerless 4005000 Series SC 404 Input MBtu - 83% AFUE Semi-Commercial Natural Gas Steam Boiler - Forced Draft ASSEMBLY REQUIRED, LESS BURNER
8910.007128.00
404 MBtu
SCT-05-S
In Stock

Peerless SCT-06 Series SC 505 Input MBtu - 83% AFUE Semi-Commercial Natural Gas Steam Boiler - Forced Draft (KNOCKDOWN UNIT. ASSEMBLY REQUIRED)
9987.007989.60
505 MBtu
SCT-06
In Stock

Peerless SCT-07 Series SC 577 Input MBtu - 83% AFUE Semi-Commercial Natural Gas Steam Boiler - Forced Draft (KNOCKDOWN UNIT. ASSEMBLY REQUIRED)
10642.008513.60
577 MBtu
SCT-07
In Stock

Peerless SCT-08 Series SC 649 Input MBtu - 83% AFUE Semi-Commercial Natural Gas Steam Boiler - Forced Draft (KNOCKDOWN UNIT. ASSEMBLY REQUIRED)
11738.009390.40
649 MBtu
SCT-08
In Stock

Peerless 4009000 Series SC 722 Input MBtu - 83% AFUE Semi-Commercial Natural Gas Steam Boiler - Forced Draft - Knockdown
13024.0010419.20
722 MBtu

Peerless SCT-10 Series SC 794 Input MBtu - 83% AFUE Semi-Commercial Natural Gas Steam Boiler - Forced Draft (KNOCKDOWN UNIT. ASSEMBLY REQUIRED)
13715.0010972.00
794 MBtu
SCT-10
Qty:
Peerless Water Boilers Series 64

Gas, Water

83% Efficiency

Without Burner

Knockdown(Assembly required)
Retail : $9,936.00 $7,452.00

You Save (25%)
Peerless 6407045 64-07 345 Input MBtu 81% AFUE Natural Gas Water Boiler - Chimney Vent - Knockdown
9416.007062.00
345 MBtu
64-07-SPRK-N
In Stock

Peerless 6408045 399 Input MBtu 81% AFUE Natural Gas Water Boiler - Chimney Vent - Knockdown
9936.007452.00
399 MBtu
64-08-SPRK-N
In Stock

Peerless 6409045 Series 64 460 Input MBtu, 82% AFUE, Natural Gas Water Boiler - Chimney Vent - Knockdown (Assembly required)
10788.008091.00
460 MBtu
64-09-SPRK-N
In Stock
Qty:

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