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

We are closed on Friday, July 4th, 2025 for Independence Day weekend and reopening Monday July 7th, 2025. Enjoy and be safe.

Toggle Nav

Search

We ship to most places in continental USA

Chat with us

Need help

Our Locations

Home
HVAC
Boilers
Oil Boilers

Oil Boilers

Peerless Boilers X

Mbtu

Fuel Type

Medium

Water
Steam

Brands

Peerless Boilers

Oil-Fired, Steam
Retail : $3,399.00 $2,447.28

You Save (28%)
Peerless 1403105 WBV-03-S WBV Series 147 Input MBtu 85% AFUE, Natural Residential Oil-Fired Steam Boiler, Less Burner ( Knockdown - Assembly required)
3237.002330.64
147 MBtu
In Stock
Qty:
Peerless Boiler WBV® Knockdown

Oil-Fired, Steam

86% Efficiency

Less Burner

Knockdown(Assembly required)
Retail : $4,086.00 $2,941.92

You Save (28%)
Peerless PEE1404094 WBV Series 210 Input MBtu 85% AFUE, Natural Residential Oil-Fired Steam Boiler, Less Burner - Knockdown
3891.002801.52
210 MBtu
In Stock
Qty:
Peerless Boilers

Oil-Fired, Water
In Stock
Retail : $4,823.00 $3,472.56

You Save (28%)

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:
Peerless WBV Oil Fired Water Boilers With Coil

Oil-Fired, Water

With Coil

Packaged
Retail : $6,546.00 $4,713.12

You Save (28%)
Peerless 13509 WBV-E-05-WPCTL WBV® Series 273 Input MBtu 86% AFUE Oil-Fired Water Boiler With Circulator, Hydrostat, and Tankless Coil (Packaged - Burner Sold Separately)
6546.004713.12
273 MBtu
13509
In Stock

Peerless 14360 WBV-E-03-WPCTL WBV® Series 147 Input MBtu 87.5% AFUE Oil-Fired Water Boiler with Circulator, Hydrostat, and Tankless Coil - (Packaged - Burner Sold Separately)
4574.003293.28
147 MBtu
14360
In Stock

Peerless 14459 WBV-E-04-WPCTL WBV® Series 210 Input MBtu 87% AFUE Oil-Fired Water Boiler With Circulator, Hydrostat, And Tankless Coil - (Packaged - Burner Sold Separately)
5231.003766.32
210 MBtu
14459
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

Without Burner

With Coil

Packaged
Retail : $5,189.00 $3,736.08

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 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

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:
Peerless Boilers EC(T)

Oil-Fired, Steam

86% Efficiency

With Burner

Knockdown(Assembly required)
Retail : $6,096.00 $4,389.12

You Save (28%)
Peerless 1603030 ECT-e-03-SU-AFG-1S 140 Input MBtu 86% AFUE Oil Steam Boiler - With Burner - Knockdown
5169.003721.68
140 MBtu
ECT-e-03-SU-AFG
In Stock
Qty:
Peerless EC(T) Series Boiler with Burner

Oil-Fired, Water

86% Efficiency

With Burner

Knockdown(Assembly required)
Retail : $6,096.00 $4,389.12

You Save (28%)
Peerless 1603024 ECT-e-03-WU-AFG-1S 140 Input MBtu 86% AFUE Oil water Boiler - With Burner - Knockdown
5169.003721.68
140 MBtu
ECT-e-03-WU-AFG
In Stock
Qty:
Peerless Boilers EC

Oil-Fired, Water

86% Efficiency

With Burner

Knockdown(Assembly required)
Retail : $7,051.00 $5,076.72

You Save (28%)
Peerless 1504013 EC-e-04-WU-AFG-1S 210 Input MBtu 86% AFUE Oil Water Boiler - With Burner - Knockdown
5978.004304.16
210 MBtu
EC-e-04-WU-AFG
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 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 Series Boiler with Burner

Oil-Fired, Steam

86% Efficiency

With Burner

Knockdown(Assembly required)
Retail : $7,051.00 $5,076.72

You Save (28%)
Peerless 1504016 EC-e-04-SU-AFG-1S 210 Input MBtu 86% AFUE Oil Steam Boiler - With Burner - Knockdown
5978.004304.16
210 MBtu
EC-e-04-SU-AFG
In Stock
Qty:
Peerless Boilers WBV

Oil-Fired, Water

87% Efficiency

With Burner

Knockdown(Assembly required)
Retail : $5,513.00 $3,969.36

You Save (28%)
Peerless 1404090 WBV-e-04-WU-AFG-1S 175 Input MBtu 87% AFUE Oil Water Boiler - With Burner - Knockdown
4665.003358.80
175 MBtu
WBV-e-04-WU
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 Boilers EC(T) Series (steam)

Oil-Fired, Steam

Cast Iron Heat Exchanger

Natural Draft

86% Efficiency

With Burner

Knockdown(Assembly required)
Retail : $7,133.00 $5,135.76

You Save (28%)
Peerless 1604023 ECT-E-04-SU 210 Input MBtu - 85% AFUE - Residential Oil-Fired Steam Boiler Natural Draft with Burner - (Knockdown assembly required)
7133.005135.76
210 MBtu
ECT-E-04-SU
In Stock

Peerless 1605014 ECT-E-05-SU 280 Input MBtu - 85% AFUE - Residential Oil-Fired Steam Boiler - Natural Draft with Burner - (Knockdown assembly required)
8309.005982.48
280 MBtu
ECT-E-05-SU
In Stock
Qty:
Peerless Boilers EC(T)

Oil-Fired, Water

Cast Iron Heat Exchanger

86% Efficiency

With Burner

Knockdown(Assembly required)
Retail : $7,133.00 $5,135.76

You Save (28%)
Peerless Boilers 1604016 ECT-e-04-WU-AFG-1S Water Knockdown Boiler 210 Input MBtu 86% AFUE Oil With Burner
5815.044186.83
210 MBtu
Qty:
Peerless Boilers EC

Oil-Fired, Water

Cast Iron Heat Exchanger

86% Efficiency

With Burner

Knockdown(Assembly required)
Retail : $8,420.00 $4,976.02

You Save (41%)
Peerless 1503011 EC 140 Input MBtu - 87% AFUE Residential Oil-Fired Water Boiler - With Burner - Natural Draft(Knockdown assembly required)
4929.233549.05
140 MBtu

Peerless 1505016 EC 280 Input MBtu - 86% AFUE Residential Oil-Fired Water Boiler - Without Burner - Natural Draft(Knockdown assembly required)
6865.314943.02
280 MBtu
Qty:
Peerless Boilers EC

Oil-Fired, Steam

Cast Iron Heat Exchanger

86% Efficiency

With Burner

Knockdown(Assembly required)
Retail : $8,420.00 $6,062.40

You Save (28%)
Peerless Boilers 1505019 EC-e-05-SU-AFG-1S Steam Knockdown Boiler 280 Input MBtu 86% AFUE Oil With Burner
6865.314943.02
280 MBtu
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 Boilers EC

Oil-Fired, Steam

Cast Iron Heat Exchanger

86% Efficiency

With Burner

Knockdown(Assembly required)
Retail : $6,046.00 $4,353.12

You Save (28%)
Peerless Boilers 1503023 EC-e-03-SU-AFG-1S Steam Knockdown Boiler 140 Input MBtu 86% AFUE Oil With Burner
4929.233549.05
140 MBtu
Qty:

Now Shopping by

Manufacturer Peerless Boilers Remove This Item

Clear All

Shopping Options

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