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Oil Boilers

Oil Boilers

Mbtu

Fuel Type

Medium

Water
Steam

Brands

Williamson OWT Series 3 Water Boilers

Oil-Fired, Water

Cast Iron Heat Exchanger

Chimney Vent

87% Efficiency

Without Burner

With Coil

Packaged
Retail : $3,724.00 $2,578.87

You Save (31%)
Williamson OWT-3-T-S3-W OWT Series 3 98,000 BTU 87% AFUE Oil-Fired Chimney Vent Water Boiler w/ Tankless Heater Coil, Taco 007, 3 Section (Burner Sold Separately)
3724.002578.87
98 MBtu
OWT-3-T-S3-W
In Stock

Williamson OWT-4-T-S3-W OWT Series 3 140,000 BTU 87% AFUE Oil-Fired Chimney Vent Water Boiler w/ Tankless Heater Coil, Taco 007, 4 Section (Burner Sold Separately)
4542.002800.71
140 MBtu
OWT-4-T-S3-W
In Stock

Williamson OWT-5-T-S3-W OWT Series 3 168,000 BTU 87% AFUE Oil-Fired Chimney Vent Water Boiler w/ Tankless Heater Coil, Taco 007, 5 Section (Burner Sold Separately)
4874.003375.24
168 MBtu
OWT-5-T-S3-W
In Stock

Williamson OWT-6-T-S3-W OWT Series 3 196,000 BTU 87% AFUE Oil-Fired Chimney Vent Water Boiler w/ Tankless Heater Coil, Taco 007, 6 Section (Burner Sold Separately)
5680.003933.40
196 MBtu
OWT-6-T-S3-W
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 : $3,986.00 $2,448.48

You Save (39%)
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:
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:
Williamson OSB Series 3 Steam Boilers

Oil-Fired, Steam

Cast Iron Heat Exchanger

Chimney Vent

85% Efficiency

Without Burner

Packaged
Retail : $5,850.00 $4,051.12

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:
Saint Roch SRO Boilers

Oil-Fired, Water

87% Efficiency

With Burner
Retail : $16,708.00 $12,163.42

You Save (27%)
Saint Roch SRO6 Optimajor Oil Fired, 312 Input MBtu, 87% AFUE, 6 Section Water Boiler, Includes Burner and Trim (Knockdown Boiler- Assembly is Required)
8799.006405.67
312 MBtu
SRO6

Saint Roch SRO8 Optimajor Oil Fired, 438 Input MBtu, 87% AFUE, 8 Section Water Boiler, Includes Burner and Trim (Knockdown Boiler- Assembly is Required)
11363.008272.26
438 MBtu
SRO8

Saint Roch SRO10 Optimajor Oil Fired, 560 Input MBtu, 87% AFUE, 10 Section Water Boiler, Includes Burner and Trim (Knockdown Boiler- Assembly is Required)
12887.009381.74
560 MBtu
SRO10
In Stock

Saint Roch SRO12 Optimajor Oil Fired, 686 Input MBtu, 87% AFUE, 12 Section Water Boiler, Includes Burner and Trim (Knockdown Boiler- Assembly is Required)
14737.0010728.54
686 MBtu
SRO12
In Stock

Saint Roch SRO14 Optimajor Oil Fired, 776 Input MBtu, 87% AFUE, 14 Section Water Boiler, Includes Burner and Trim (Knockdown Boiler- Assembly is Required)
16708.0012163.42
776 MBtu
SRO14
Qty:
Peerless Boilers WBV®

Oil-Fired, Steam
Out of Stock
Retail : $7,218.00 $5,196.96

You Save (28%)

Qty:
Peerless Boilers WBV®

Oil-Fired, Steam

Packaged
Out of Stock
Retail : $6,995.00 $5,036.40

You Save (28%)

Qty:
Peerless Boilers WBV®

Oil-Fired
Out of Stock
Retail : $8,350.00 $6,012.00

You Save (28%)

Qty:
Peerless Boilers WBV

Oil-Fired, Water
Out of Stock
Retail : $6,376.00 $4,590.72

You Save (28%)

Qty:
Peerless WBV Steam Boilers Less Burner

Oil-Fired, Steam

Natural Draft
Retail : $4,405.00 $3,171.60

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 Boilers WBV

Oil-Fired, Water
Out of Stock
Retail : $5,901.00 $4,248.72

You Save (28%)

Qty:
Bosch 5215 Series Boilers

Oil-Fired

86% Efficiency
Retail : $7,837.00 $3,612.07

You Save (54%)
Buderus 7738000111 G215 Series 117 Input MBtu Logano Thermostream Oil-Fired Boiler - Knockdown (Burner Sold Separately)
6936.003196.80
117 MBtu
In Stock

Buderus 7738000113 G215 Series 180 Input MBtu Logano Thermostream Oil-Fired Boiler - Knockdown (Burner Sold Separately)
8941.004120.91
180 MBtu
In Stock

Buderus 7738000112 G215 Series 196 Input MBtu Logano Thermostream Oil-Fired Boiler - Knockdown (Burner Sold Separately)
7837.003612.07
171 MBtu
Qty:
Peerless Boilers WBV

Oil-Fired, Steam

86% Efficiency

Without Burner

Packaged
Retail : $5,414.00 $4,114.64

You Save (24%)
Peerless 1404084 WBV-e-04-SPL-CG450 175 Input MBtu 86% AFUE Oil Steam Boiler - (Packaged - Burner Sold Separately)
4766.003431.52
175 MBtu
WBV-e-04-SPL
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 Megasteam Series Boilers

Oil-Fired, Steam

Cast Iron Heat Exchanger

Chimney Vent

86% Efficiency

With Coil
Retail : $5,937.00 $4,512.12

You Save (24%)
Burnham MST288ST-HB, Megasteam, 92 Input MBtu, 86% AFUE, with Heater Hydrolevel Oil Fired Steam Boiler, Chimney Vent with Beckett Burner
5601.004256.76
92 MBtu
MST288ST-HB
Qty:
Peerless Boilers WBV Series Water II

Oil-Fired, Water

87% Efficiency

Without Burner

With Coil

Packaged
Retail : $4,574.00 $3,476.24

You Save (24%)
Peerless 1403081 WBV-E-03-WPCTL 147 Input MBtu 87.5% AFUE Oil Boiler - With Circulator, Hydrostat, and Tankless Coil - (Packaged - Burner Sold Separately)
4026.002898.72
147 MBtu
WBV-E-03-WPCTL

Peerless 1404086 WBV-e-04-WPCTL 210 Input MBtu 87% AFUE Oil Boiler - With Circulator, Hydrostat, And Tankless Coil - (Packaged - Burner Sold Separately)
4604.003314.88
210 MBtu
WBV-e-04-WPCTL
Qty:
Peerless Boilers WBV Series steam

Oil-Fired, Steam

85% Efficiency

Without Burner

With Coil

Packaged
Retail : $5,189.00 $3,943.64

You Save (24%)
Peerless 1403080 WBV-E-03-SPTL WBV Series 85.6% AFUE Steam Boiler with Circulator and Tankless Coil 147000 BTU (Packaged - Burner Sold Separately)
4568.003288.96
119 MBtu
WBV-E-03-SPTL

Peerless 1404085 WBV-E-04-SPTL WBV Series Residential Oil-Fired Steam Boiler, 210,000 BTU, 85% AFUE, Natural Draft, w/ Tankless Coil, (Packaged - Burner Sold Separately)
5163.003717.36
175 MBtu
WBV-E-04-SPTL
Qty:
Peerless WBV Series Boiler

Oil-Fired, Water

87% Efficiency

With Burner

With Coil

Packaged
Retail : $6,376.00 $4,845.76

You Save (24%)
Peerless 1403200 WBV-E-03-WPCT WBV Series Residential Oil-Fired Water Boiler (Package)
5953.004524.28
119 MBtu
WBV-E-03-WPCT
Qty:
Peerless Boilers WBV Series Water

Oil-Fired, Water

Natural Draft

87% Efficiency

Without Burner

Packaged
Retail : $4,097.00 $3,113.72

You Save (24%)
Peerless 1403078 WBV-E-03-WPCL WBV Series Residential Oil-Fired Water Boiler, 147,000 BTU, 86% AFUE, Natural Draft, (Knockdown - Burner Sold Separately)
3825.002907.00
119 MBtu
WBV-E-03-WPCL
Qty:
Peerless WVB Series Boiler

Oil-Fired, Steam

Natural Draft

85% Efficiency

Without Burner

Packaged
Retail : $4,405.00 $3,347.80

You Save (24%)
Peerless 1403079 WBV-E-03-SPL WBV Series Residential Oil-Fired Steam Boiler, 147,000 BTU, 85% AFUE, Natural Draft, (Packaged - Burner Sold Separately)
4113.003125.88
119 MBtu
WBV-E-03-SPL
Qty:
Weil-McLain Urtra Oil Series Boiler

Oil-Fired, Water

Cast Iron Heat Exchanger

Chimney or Direct Vent

87% Efficiency
Retail : $4,486.00 $3,543.94

You Save (21%)
Weil-McLain 386-901-007 UO-4 Ultra 127,000 BTU Oil Boiler with Circulator (Burner Sold Separately)
4486.003543.94
127 MBtu
UO-4
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:
Peerless Boilers EC

Oil-Fired, Water

Cast Iron Heat Exchanger

Natural Draft

86% Efficiency

Without Burner
Out of Stock
Retail : $4,045.00 $3,074.20

You Save (24%)

Qty:
Peerless Boilers EC(T)

Oil-Fired, Water

Cast Iron Heat Exchanger

86% Efficiency
Out of Stock
Retail : $380.00 $288.80

You Save (24%)

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 Series Less Heater Boilers

Oil-Fired, Steam

Cast Iron Heat Exchanger

Chimney Vent

86% Efficiency

With Burner

Without Coil
Retail : $5,592.00 $4,249.92

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:
Williamson OWB Oil Fired Water Boilers with Coil

Oil-Fired, Water

Cast Iron Heat Exchanger

Chimney Vent

87% Efficiency

Without Burner

With Coil

Packaged
Retail : $4,874.00 $3,375.24

You Save (31%)
Williamson OWT-3-T-S3-W OWT Series 3 98,000 BTU 87% AFUE Oil-Fired Chimney Vent Water Boiler w/ Tankless Heater Coil, Taco 007, 3 Section (Burner Sold Separately)
3724.002578.87
98 MBtu
OWT-3-T-S3-W
In Stock

Williamson OWT-4-T-S3-W OWT Series 3 140,000 BTU 87% AFUE Oil-Fired Chimney Vent Water Boiler w/ Tankless Heater Coil, Taco 007, 4 Section (Burner Sold Separately)
4542.002800.71
140 MBtu
OWT-4-T-S3-W
In Stock

Williamson OWT-5-T-S3-W OWT Series 3 168,000 BTU 87% AFUE Oil-Fired Chimney Vent Water Boiler w/ Tankless Heater Coil, Taco 007, 5 Section (Burner Sold Separately)
4874.003375.24
168 MBtu
OWT-5-T-S3-W
In Stock

Williamson OWT-6-T-S3-W OWT Series 3 196,000 BTU 87% AFUE Oil-Fired Chimney Vent Water Boiler w/ Tankless Heater Coil, Taco 007, 6 Section (Burner Sold Separately)
5680.003933.40
196 MBtu
OWT-6-T-S3-W
In Stock
Qty:

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