Boilers

Loading Image
Boilers warm a home by using a fuel source to heat water, which is then distributed as liquid or steam through a piping system. The benefits of boilers include evenly-distributed heat, quiet operation, and no airborne particles. Armed with our buyer's guide, expert support and customer reviews, you can feel confident in finding the right boiler for your needs.
Outdoor Living Sales Event
Tools & Articles
How to Pick the Perfect Boiler
How a Boiler Works
Boiler System Accessories
Filter By
  • Best Selling
  • Price: Low to High
  • Price: High to Low
  • Name: A-Z
  • Name: Z-A
  • Recommends Only
  • Closeouts Only
  • In-stock Only
  • Next Day Air Only
  • Availability
Learn More About Weil-McLain 383100035
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 80K BTU Gross Input, 75K BTU DOE Capacity, 65K BTU Net IBR Capacity.
$1,852.00
In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Electro Industries EMB-S-5
$879.00
Factory-Direct
Freight Icon
Free Shipping
Learn More About Free Freight
Learn More About Noritz NRCB180DV-NG
Wall Mounted, Condensing Combi Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 100K BTU Gross Input, 92K BTU DOE Capacity, 80K BTU Net IBR Capacity. Includes Circulator.
$2,239.00
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Bosch Thermotechnology ZWB35-3
Model ZWB35-3 is a Recommended Product
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 132K BTU Gross Input, 117K BTU DOE Capacity, 103K BTU Net IBR Capacity. Includes Circulator.
$3,329.00
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Weil-McLain 386700829
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 1.20 GPH Gross Input, 145K BTU DOE Capacity, 126K BTU Net IBR Capacity. Includes Circulator.
$2,754.00
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Weil-McLain 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.
$2,663.00
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Electro Industries EB-WX-23
Wall Mounted Boiler with Modulating Operation. Ships Packaged. Includes Outdoor Reset Capability.
$2,399.00
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Crown Boiler Co. BSI241ENPZZPSU
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 241K BTU Gross Input, 199K BTU DOE Capacity, 149K BTU Net IBR Capacity.
$3,587.00
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Weil-McLain EVG 110
Floor/Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 110K BTU Gross Input, 101K BTU DOE Capacity, 88K BTU Net IBR Capacity. Includes Circulator.
$3,193.00
Only 4 In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Crown Boiler Co. AWR070BNST3PSU
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 70K BTU Gross Input, 59K BTU DOE Capacity, 51K BTU Net IBR Capacity. Includes Taco Circulator.
$1,935.00
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Weil-McLain 381359022
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 158k BTU Gross Input, 135k BTU DOE Capacity, 117k BTU Net IBR Capacity. Includes Circulator.
$3,004.00
Only 1 In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Burnham MPO-IQ115-TB
Floor Mounted, Cast Iron Boiler. Ships Packaged. Ratings: 0.82 GPH Gross Input, 101K BTU DOE Capacity, 88K BTU Net IBR Capacity. Includes Circulator.
$2,844.00
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Burnham 204EN-G0
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Grundfos Circulator and LWCO. Ratings: 103K BTU Gross Input, 87K BTU DOE Capacity, 76K BTU Net IBR Capacity.
$2,370.00
In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Weil-McLain 113081460
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 233k BTU Gross Input, 198k BTU DOE Capacity, 172k BTU Net IBR Capacity. Includes Circulator.
$3,139.99
In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Burnham X-205P-TH
Floor Mounted, Cast Iron Boiler with Single Stage Gas Valve. Ships Packaged. Included Taco Circulator and LWCO. Ratings: 140K BTU Gross Input, 117K BTU DOE Capacity, 102K BTU Net IBR Capacity.
$2,151.00
Factory-Direct
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Weil-McLain 383100040
Wall Mounted, Condensing Combi Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 120K BTU Gross Input, 112K BTU DOE Capacity, 97K BTU Net IBR Capacity. Includes Circulator.
$2,200.00
Only 4 In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Electro Industries EMB-S-2
$849.00
Factory-Direct
Freight Icon
Free Shipping
Learn More About Free Freight
Learn More About Noritz NRCB180DV-LP
Wall Mounted, Condensing Combi Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 100K BTU Gross Input, 92K BTU DOE Capacity, 80K BTU Net IBR Capacity. Includes Circulator.
$2,239.00
In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Electro Industries EMB-S-7
$949.00
Factory-Direct
Freight Icon
Free Shipping
Learn More About Free Freight
Learn More About Bosch Thermotechnology ZWB42-3
Model ZWB42-3 is a Recommended Product
Wall Mounted, Condensing Boiler with Modulating Gas Valve. Ships Packaged. Ratings: 152K BTU Gross Input, 134K BTU DOE Capacity, 117K BTU Net IBR Capacity. Includes Circulator.
$2,649.00
Backordered
Shipping Icon
Coming Soon!
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Electro Industries EMB-H-9
$1,049.00
Factory-Direct
Freight Icon
Free Shipping
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Weil-McLain 382200612
Floor Mounted, Cast Iron Condensing Boiler with Single Stage Gas Valve. Ships Packaged. Ratings: 140K BTU Gross Input, 130K BTU DOE Capacity, 113K BTU Net IBR Capacity. Includes Circulator.
$3,987.00
Only 4 In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount
Learn More About Electro Industries EMB-H-7
$999.00
Factory-Direct
Freight Icon
Free Shipping
Learn More About Free Freight
Learn More About Burnham K2WTC-135B-6T00
Wall Mounted Condensing Combi Boiler with Modulating Gas Valve. Ships Packaged. Domestic Hot Water Priority. Includes Taco Circulator. Low Nox. Ratings: 120K BTU Gross Input, 112K BTU DOE Capacity, 97K BTU Net IBR Capacity.
$2,296.00
In-Stock
Freight Icon
Free Shipping & Lift Gate
Learn More About Free Freight
2% Check Discount Icon
2% Check Discount
Learn More About 2% Check Discount