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

Boilers

Peerless Boilers X

Mbtu

Fuel Type

Medium

Water
Steam

Brands

Peerless 63 Series Boilers - NG

Natural Gas

Chimney Vent
Retail : $7,211.00 $5,408.25

You Save (25%)
Peerless 63003 63-03L 63™ Series 88 Input MBtu, 9.3 Gallon, 83% AFUE, Spark Ignition Residential, Natural Gas, Boiler, Chimney Vent
5241.003930.75
88 MBtu
63003

Peerless 63011 63-03 63™ Series 118 Input MBtu, 9.3 Gallon, 83% AFUE, Spark Ignition Residential, Natural Gas, Boiler, Chimney Vent, PACKAGED
5492.004119.00
118 MBtu
63011
In Stock

Peerless 63035 63-05L 63™ Series 206 Input MBtu, 12.4 Gallon, 82% AFUE, Spark Ignition Residential, Natural Gas, Boiler, Chimney Vent
7211.005408.25
206 MBtu
63035
In Stock

Peerless 63043 63-05 63™ Series 236 Input MBtu, 12.4 Gallon, 82% AFUE, Spark Ignition Residential, Natural Gas, Boiler, Chimney Vent
7620.005715.00
236 MBtu
63043
In Stock

Peerless 63219 63-04L 63™ Series 147 Input MBtu, 9.3 Gallon, 82.6% AFUE, Spark Ignition Residential, Natural Gas, Boiler, Chimney Vent
6026.004519.50
147 MBtu
63219
In Stock

Peerless 63227 63-04 63™ Series 177 Input MBtu, 10.8 Gallon, 82% AFUE, Spark Ignition Residential, Natural Gas, Boiler, Chimney Vent
6303.004727.25
177 MBtu
63227
In Stock
Qty:
Peerless Water Boilers Series 64

Gas, Water

81% Efficiency

With Burner

Knockdown(Assembly required)
Retail : $9,416.00 $7,062.00

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:
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:
Peerless Steam Boilers Series 64

Gas, Steam

Natural Draft

83% Efficiency

With Burner

Knockdown(Assembly required)
Retail : $13,104.00 $9,828.00

You Save (25%)
Peerless 64-07 Series 64 345 Input MBtu - 81% AFUE Semi-Commercial Natural Gas Steam Boiler - Chimney Vent (Knockdown)
9711.007283.25
245 MBtu
64-07
In Stock

Peerless 64-08 Series 64 399 Input MBtu - 81% AFUE Semi-Commercial Natural Gas Steam Boiler - Chimney Vent (Knockdown)
10291.007718.25
399 MBtu
64-08
In Stock

Peerless 64-09 Series 64 460 Input MBtu - 81% AFUE Semi-Commercial Natural Gas Steam Boiler - Chimney Vent (Knockdown)
11084.008313.00
460 MBtu
64-09-SPRK-S
In Stock

Peerless 6410006 Series 64 517 Input MBtu - 81% AFUE Semi-Commercial Hydrolevel CG450 probe type Low Water Cut Off Natural Gas Steam Boiler - Chimney Vent (Knockdown)
11923.008942.25
517 MBtu
6410006
In Stock

Peerless 6411004 64 Series 575 Input MBtu - 81% AFUE Semi-Commercial Hydrolevel CG450 probe type Low Water Cut Off Natural Gas Steam Boiler - Chimney Vent (Knockdown)
13104.009828.00
575 MBtu
SPRK-S-N40-CG450
In Stock

Peerless 6412006 Series 64 632 Input MBtu - 81% AFUE Semi-Commercial Hydrolevel CG450 probe type Low Water Cut Off Natural Gas Steam Boiler - Chimney Vent (Knockdown)
14484.0010863.00
632 MBtu
SPRK-S-N40
In Stock
Qty:
Peerless Boilers WBV Series

Oil-Fired, Water

Natural Draft

86% Efficiency

With Burner

Knockdown(Assembly required)
Retail : $6,380.00 $4,593.60

You Save (28%)
Peerless 1305037 WBV-e-05-WU-AFG 245 Input MBtu - 86% AFUE - Residential Oil-Fired Water Boiler - Natural Draft with Burner - (Knockdown assembly required)
6076.004374.72
245 MBtu
WBV-e-05-WU-AFG
In Stock
Qty:
Peerless EC Series Oil-Fired Boiler

Oil-Fired, Water

Cast Iron Heat Exchanger

Natural Draft

86% Efficiency

With Burner

Knockdown(Assembly required)
Retail : $8,309.00 $5,982.48

You Save (28%)
Peerless 1605008 ECT-E-05-WU 280 Input MBtu - 86% AFUE - Residential Oil-Fired Water Boiler Natural Draft with Burner - (Knockdown assembly required)
7623.005488.56
280 MBtu
ECT-E-05-WU
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 WBV Series Boiler

Oil-Fired, Water

Direct Vent

86% Efficiency

With Burner

With Coil

Packaged
Retail : $8,489.00 $6,112.08

You Save (28%)
Peerless WV-DV-03 Series WV-DV 161 Input MBtu - 87% AFUE Residential Oil-Fired Water Boiler - Direct Vent
8489.006112.08
105 MBtu
WV-DV-03
In Stock
Qty:
Peerless WV-DV Residential Boilers

Oil-Fired, Water

Direct Vent

86% Efficiency

With Burner

Packaged
Retail : $8,852.00 $6,373.44

You Save (28%)
Peerless 1303071 WV-DV-03-WPC-BF5-1R-007-10FT Water Package Boiler, 105 Input MBtu, 86% AFUE, Oil, With Burner and Circulator
7896.005685.12
105 MBtu
WV-DV-03

Peerless 1304050 WV-DV-04-WPC-BF5-1R-007-10FT Water Package Boiler, 161 Input MBtu, 86% AFUE, Oil, With Burner and Circulator
8852.006373.44
161 MBtu
WV-DV-04
In Stock
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.