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

Mbtu

Fuel Type

Medium

Water
Steam

Brands

Burnham V8h(E) Series Package Boilers

Oil-Fired, Water

Cast Iron Heat Exchanger

Chimney Vent

86% Efficiency

With Burner

Without Coil

With Pump

Packaged
Retail : $5,274.00 $3,691.80

You Save (30%)
Burnham PV8H3WEC-TBWN, V8H, 120 Input MBtu, 86% AFUE, Water Trim None Heater Opening Cold Start Control Water Boiler, Chimney Vent, Limited Lifetime Warranty Taco 007e Pump (Packaged)
4644.003250.80
120 MBtu
PV8H3WEC-TBWN
In Stock

Burnham PV8H4WEC-TBWN, V8H, 148 Input MBtu, 86.1% AFUE, Water Trim None Heater Opening Cold Start Control Water Boiler, Chimney Vent, Limited Lifetime Warranty Taco 007e Pump (Packaged)- with Beckett Burner, no Coil Opening
5274.003691.80
148 MBtu
PV8H4WEC-TBWN
In Stock
Qty:
Weil-McLain 80 Series 1 Boiler

Gas, Steam

Cast Iron Heat Exchanger

Chimney Vent

83% Efficiency

Without Burner

Without Coil
Retail : $14,106.00 $11,143.74

You Save (21%)
Weil-McLain 158074303 H-780 80 Series 753,000 BTU Output Steam Boiler, Less Burner, Less Coil
13430.0010609.70
910 MBtu
H-780
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:
Burnham Megasteam Series Less Heater Boilers

Oil-Fired, Steam

Cast Iron Heat Exchanger

Chimney Vent

86% Efficiency

Without Coil
Retail : $7,109.00 $5,402.84

You Save (24%)
Burnham MST288SL-HB, Megasteam, 92 Input MBtu, 86% AFUE, Less Heater Hydrolevel Oil Fired Steam Boiler, Chimney Vent with Beckett Burner
5592.004249.92
92 MBtu
MST288SL-HB
In Stock

Burnham MST396SL-HB, Megasteam, 127 Input MBtu, 86% AFUE, Less Heater Hydrolevel, Oil Fired Steam Boiler, Chimney Vent with Beckett Burner
5592.004249.92
127 MBtu
MST396SL-HB
In Stock

Burnham MST513SL-HB, Megasteam, 164 Input MBtu, 86% AFUE, Less Heater Hydrolevel Oil Fired Steam Boiler, Chimney Vent with Beckett Burner
6330.004810.80
164 MBtu
MST513SL-HB
In Stock

Burnham MST629SL-HB, Megasteam, 201 Input MBtu, 86% AFUE, Less Heater Hydrolevel Oil Fired Steam Boiler, Chimney Vent with Beckett Burner
7109.005402.84
201 MBtu
MST629SL-HB
In Stock
Qty:
Saint Roch SRU Boiler without Coil

Oil-Fired, Water

Cast Iron Heat Exchanger

Direct Vent

87% Efficiency

Without Coil
Retail : $4,337.00 $3,157.34

You Save (27%)
Saint Roch SRU30/WL Oil Fired 140 Input Mbtu Water Boiler 87% AFUE, Includes Burner and Trim (Knockdown Boiler- Assembly is required, Coil Sold Separately)
4337.003157.34
140 MBtu
SRU30/WL
In Stock

Saint Roch SRU40/WL Oil Fired 175 Input Mbtu Water Boiler 87% AFUE, Includes Burner and Trim (Knockdown Boiler- Assembly is required, Coil Sold Separately)
4781.003480.57
175 MBtu
SRU40/WL
In Stock

Saint Roch SRU50/WL Oil Fired 210 Input Mbtu Water Boiler 87% AFUE, Includes Burner and Trim (Knockdown Boiler- Assembly is required, Coil Sold Separately)
5307.003863.50
210 MBtu
SRU50/WL
In Stock

Saint Roch SRU60/WL Oil Fired 245 Input Mbtu Water Boiler 87% AFUE, Includes Burner and Trim (Knockdown Boiler- Assembly is required, Coil Sold Separately)
5730.004171.44
245 MBtu
SRU60/WL
In Stock
Qty:
WilliamsonOWB Series 3 Water Boilers

Oil-Fired, Water

Cast Iron Heat Exchanger

Chimney Vent

87% Efficiency

Without Burner

Without Coil

Packaged
Retail : $5,180.00 $3,587.15

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:
Burnham Megasteam Series Boilers

Oil-Fired, Steam

Cast Iron Heat Exchanger

Chimney Vent

86% Efficiency

Without Coil
Retail : $5,972.00 $4,538.72

You Save (24%)
Burnham MST513SL-MB, Megasteam, 164 Input MBtu, 86% AFUE, Less Heater LWCO-M&M Oil Fired Steam Boiler, Chimney Vent with Beckett Burner
5972.004538.72
164 MBtu
MST513SL-MB
Qty:
Burnham MPO-IQ Series Package Boilers

Oil-Fired, Water

Cast Iron Heat Exchanger

Chimney Vent

87% Efficiency

With Burner

Without Coil

With Pump

Packaged
Retail : $5,571.00 $4,233.96

You Save (24%)
Burnham MPO-IQ84B-TB, MPO-IQ, 74 Input MBtu, 87% AFUE, IQ Control System Oil Fired Water Boiler, Chimney Vent with Taco 007e Pump & Beckett Burner
4126.003135.76
84 MBtu
MPO-IQ84B-TB
In Stock

Burnham MPO-IQ115B-TB, MPO-IQ, 101 Input MBtu, 87% AFUE, IQ Control system Oil Fired Water Boiler, Chimney Vent with Taco 007e Pump & Beckett Burner
4477.003402.52
115 MBtu
MPO-IQ115B-TB
In Stock

Burnham MPO-IQ147B-TB, MPO-IQ, 123 Input MBtu, 87% AFUE, IQ Control system Oil Fired Water Boiler, Chimney Vent with Taco 007e Pump & Beckett Burner
4751.003610.76
147 MBtu
MPO-IQ147B-TB
In Stock

Burnham MPO-IQ189B-TB, MPO-IQ, 160 Input MBtu, 87% AFUE, IQ Control system Oil Fired Water Boiler, Chimney Vent with Taco 007e Pump & Beckett Burner
5571.004233.96
189 MBtu
MPO-IQ189B-TB
In Stock

Burnham MPO-IQ231B-TB, MPO-IQ, 197 Input MBtu, 87% AFUE, IQ Control system Oil Fired Water Boiler, Chimney Vent with Taco 007e Pump & Beckett Burner
6430.004886.80
203 MBtu
MPO-IQ231B-TB
In Stock
Qty:
Burnham Megasteam

Oil-Fired, Steam

Cast Iron Heat Exchanger

Chimney Vent

86% Efficiency

Without Coil
Retail : $5,249.00 $3,989.24

You Save (24%)
Burnham MST513SL-HL, Megasteam, 164 Input MBtu, 86% AFUE, Less Heater Hydrolevel Oil Fired Steam Boiler, Chimney Vent Less Burner
4808.003654.08
164 MBtu
MST513SL-HL
Qty:

Now Shopping by

Coil Without Coil Remove This Item

Clear All

Shopping Options

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