✖
Shipping Crate Icon
Free Shipping On Orders Over $199
Welcome:  Sign In | Contact Us
Call Us: (877)-412-5296
Home »

Oil Boilers

Quick Search
eComfort offers a comprehensive assortment of conventional & high efficiency oil boilers, along with the parts necessary for fixing or upgrading your current model. Shop our selection of oil boilers today.
Shop by Brand
Shop by Medium
Shop by Vent Type
Shop by Feature
Tools & Articles
Boiler Buying Guide
Boiler Buying Guide
How to Pick the Perfect Boiler
Which Boiler Fuel Should I Use?
Which Boiler Fuel Should I Use?
A Break-Down of Boiler Fuel Options
Filter ▼
Model Number CL3-091-PSL-MBSN is a Hot Seller
Learn More About CL3-091-PSL-MBSN
New Yorker CL3-091 - 56K BTU - 84.1% AFUE - Steam Oil Boiler - Chimney Vent
Model: CL3-091-PSL-MBSN
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 0.65 GPH Gross Input, 78K BTU DOE Capacity, 56K BTU Net IBR Capacity.
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
Ask a Question
Model CL3-091-PSL-MBSN is a Closeout
Closeout
$2,297.00
Was 
$2,397.00
SAVE $100.00
Only 2 In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Model Number 386700396 is the Number 1 Seller
Learn More About 386700396
Weil-McLain Oil Burner for GO-3 - Beckett AFG - 0.95 GPH - Chimney Vent
Model: 386700396
17% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
Ask a Question
$426.00
In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Add To Cart
Model Number 386700828 is the Number 2 Seller
Learn More About 386700828
Weil-McLain P-WGO-3 - 115K BTU - 85.3% AFUE - Hot Water Oil Boiler - Chimney Vent - Burner Sold Separately
Model: 386700828
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 0.95 GPH Gross Input, 115K BTU DOE Capacity, 100K BTU Net IBR Capacity. Includes Circulator.
8% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(3)
Ask a Question
$2,110.00
In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Model Number 386700404 is the Number 3 Seller
Learn More About 386700404
Weil-McLain Oil Burner for GO-5 - Beckett AFG - 1.45 GPH - Chimney Vent
Model: 386700404
8% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
Ask a Question
$456.95
Only 1 In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Add To Cart
Model Number 386700833 is the Number 4 Seller
Learn More About 386700833
Weil-McLain P-WTGO-4 - 145K BTU - 85.0% AFUE - Hot Water Oil Boiler - Chimney Vent - Burner Sold Separately
Model: 386700833
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 1.20 GPH Gross Input, 145K BTU DOE Capacity, 126K BTU Net IBR Capacity. Includes Circulator.
4% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(5)
Q&A (1)
$2,672.00
In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Model Number CL4-210-WT-TBB is the Number 5 Seller
Learn More About CL4-210-WT-TBB
New Yorker CL4-210 - 179K BTU - 84.0% AFUE - Hot Water Oil Boiler - Chimney Vent - Includes Tankless Coil
Model: CL4-210-WT-TBB
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 1.50 GPH Gross Input, 179K BTU DOE Capacity, 156K BTU Net IBR Capacity. Includes Circulator.
4% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(4)
Ask a Question
$3,027.99
Factory-Direct
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About 386700830
Weil-McLain P-WGO-5 - 175K BTU - 85.0% AFUE - Hot Water Oil Boiler - Chimney Vent - Burner Sold Separately
Model: 386700830
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 1.45 GPH Gross Input, 175K BTU DOE Capacity, 152K BTU Net IBR Capacity. Includes Circulator.
4% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(4)
Ask a Question
$2,792.00
In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About 386700400
Weil-McLain Oil Burner for GO-4 - Beckett AFG - 1.2 GPH - Chimney Vent
Model: 386700400
4% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
Ask a Question
$456.95
In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Add To Cart
Learn More About MPO-IQ147-TB
Burnham MPO-IQ147 - 129K BTU - 87.0% AFUE - Hot Water Oil Boiler - Chimney Vent
Model: MPO-IQ147-TB
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 1.05 GPH Gross Input, 129K BTU DOE Capacity, 112K BTU Net IBR Capacity. Includes Circulator.
4% Buy This
Write a Review
Ask a Question
$2,599.00
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About 386700832
Weil-McLain P-WTGO-3 - 115K BTU - 85.3% AFUE - Hot Water Oil Boiler - Chimney Vent - Burner Sold Separately
Model: 386700832
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 0.95 GPH Gross Input, 115K BTU DOE Capacity, 100K BTU Net IBR Capacity. Includes Circulator.
2% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(5)
Q&A (1)
$2,327.00
In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About CL5-280-WT-TBB
New Yorker CL5-280 - 238K BTU - 84.7% AFUE - Hot Water Oil Boiler - Chimney Vent - Includes Tankless Coil
Model: CL5-280-WT-TBB
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 2.0 GPH Gross Input, 238K BTU DOE Capacity, 207K BTU Net IBR Capacity. Includes Circulator.
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(4)
Ask a Question
$3,409.00
Factory-Direct
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About G115WS/4
Model G115WS/4 is a Recommended Product
Buderus G115WS/4 - 109K BTU - 87.0% AFUE - Hot Water Oil Boiler - Chimney or Direct Vent - Burner Sold Separately
Model: G115WS/4
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 0.90 GPH Gross Input, 109K BTU DOE Capacity, 95K BTU Net IBR Capacity.
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(4)
Q&A (1)
$1,789.00
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About 386700831
Weil-McLain P-WGO-6 - 212K BTU - 85.0% AFUE - Hot Water Oil Boiler - Chimney Vent - Burner Sold Separately
Model: 386700831
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 1.75 GPH Gross Input, 212K BTU DOE Capacity, 184K BTU Net IBR Capacity. Includes Circulator.
2% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(4)
Ask a Question
$3,076.00
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About 521100014
Weil-McLain Oil Burner for GO-4 - Beckett AFG - 1.2 GPH - Chimney Vent - With 2-Stage Pump
Model: 521100014
2% Buy This
4.0 out of 54.0 out of 54.0 out of 54.0 out of 54.0 out of 5(3)
Ask a Question
$600.11
Factory-Direct
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Add To Cart
Learn More About 386700408
Weil-McLain Oil Burner for GO-6 - Beckett AFG - 1.75 GPH - Chimney Vent
Model: 386700408
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
Ask a Question
$479.90
In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Add To Cart
Learn More About 386700416
Weil-McLain Oil Burner for GO-8 - Beckett AFG - 2.3 GPH - Chimney Vent
Model: 386700416
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
Ask a Question
$479.90
Factory-Direct
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Add To Cart
Learn More About 386700819
Weil-McLain P-SGO-3 - 85K BTU - 83.8% AFUE - Steam Oil Boiler - Chimney Vent - Burner Sold Separately
Model: 386700819
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 0.95 GPH Gross Input, 114K BTU DOE Capacity, 85K BTU Net IBR Capacity.
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
Q&A (1)
$2,213.00
Only 3 In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About 386700820
Weil-McLain P-SGO-4 - 108K BTU - 84.0% AFUE - Steam Oil Boiler - Chimney Vent - Burner Sold Separately
Model: 386700820
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 1.20 GPH Gross Input, 144K BTU DOE Capacity, 108K BTU Net IBR Capacity.
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
Q&A (1)
$2,560.00
In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About 386700822
Weil-McLain P-SGO-6 - 158K BTU - 83.7% AFUE - Steam Oil Boiler - Chimney Vent - Burner Sold Separately
Model: 386700822
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 1.75 GPH Gross Input, 210K BTU DOE Capacity, 158K BTU Net IBR Capacity.
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(2)
Q&A (1)
$3,199.00
Only 1 In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About 7738001110
Buderus Cleaning Brush Kit
Model: 7738001110
Buderus - 7738001110 - Cleaning Brush Kit - For Buderus G115WS, G215, and G315 Boilers
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
Ask a Question
$61.00
Factory-Direct
Add To Cart
Learn More About 521107015
Weil-McLain Oil Burner for UO-3 - Beckett NX - 1.0 GPH - Direct Vent
Model: 521107015
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
Ask a Question
$841.89
Only 1 In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Add To Cart
Learn More About KSZ075BOPZZPSU
Crown Boiler KSZ075 - 68K BTU - 84.5% AFUE - Steam Oil Boiler - Chimney Vent
Model: KSZ075BOPZZPSU
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 0.75 GPH Gross Input, 90K BTU DOE Capacity, 68K BTU Net IBR Capacity.
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
Q&A (1)
$3,080.00
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Yes, your order will be delayed slightly (5 business days). But, if you can wait, the savings are significant.
Add To Cart
Learn More About 521100013
Weil-McLain Oil Burner for GO-3 - Beckett AFG - 0.95 GPH - Chimney Vent - With 2-Stage Pump
Model: 521100013
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
Ask a Question
$600.11
In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Add To Cart
Learn More About 521107520
Weil-McLain Oil Burner for GO-2, GO-3, GO-4, and GO-5 - Riello F5 - 1.65 GPH - Chimney Vent
Model: 521107520
2% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
Ask a Question
$560.11
In-Stock
Freight Icon
Free Shipping
Learn More About Free Freight *This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges may apply, see our full shipping policy for more details.
Add To Cart

ABOUT US
+−
COMMUNITY
+−
CUSTOMER SERVICE
+−
DISCOUNT DEN
+−
PARTNERSHIPS
+−
PRODUCT SUPPORT
+−
Experts
Better Business Bureau Internet Retailer Inc 5000
CALL TO ORDER
(866) 554-4328
Hide
Visit eComfort on Facebook
View the eComfort Twitter Profile Page
Follow eComfort on Pinterest
View eComfort YouTube Channel