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Indirect Water Heaters

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Indirect water heaters can use the power of a boiler or furnace to heat stored domestic water. This streamlined approach saves energy because your existing central heating system now doubles as a water heater. Indirect hot water heaters are an excellent option for those looking to take full advantage of their HVAC systems.
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Let's Talk Indirect Water Heaters
Let's Talk Indirect Water Heaters
An Intro to Indirect Water Heaters
How to Pick the Right Water Heater
How to Pick the Right Water Heater
Different Types of Water Heaters
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Model Number 633600001 is the Number 1 Seller
Learn More About 633600001
Weil-McLain Aqua Plus 45 - 39.9 Gal. - Indirect Water Heater
Model: 633600001
20% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(9)
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$1,125.00
In-Stock
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Model Number CH-41Z-B is the Number 2 Seller
Learn More About CH-41Z-B
Amtrol CH-41Z - 41 Gal. - Indirect Water Heater - Blue
Model: CH-41Z-B
Includes Mechanical Control.
17% Buy This
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Q&A (1)
$1,099.00
In-Stock
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Model Number SMART 40 is the Number 3 Seller
Learn More About SMART 40
Triangle Tube SMART 40 - 36 Gal. - Indirect Water Heater
Model: SMART 40
11% Buy This
4.0 out of 54.0 out of 54.0 out of 54.0 out of 54.0 out of 5(13)
Q&A (2)
$1,029.00
In-Stock
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Model Number 633600002 is the Number 4 Seller
Learn More About 633600002
Weil-McLain Aqua Plus 55 - 54.1 Gal. - Indirect Water Heater
Model: 633600002
8% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(6)
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$1,489.00
In-Stock
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Model Number SMART 30 is the Number 5 Seller
Learn More About SMART 30
Triangle Tube SMART 30 - 28 Gal. - Indirect Water Heater
Model: SMART 30
7% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(11)
Q&A (1)
$939.00
Only 3 In-Stock
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Learn More About SMART 60
Triangle Tube SMART 60 - 56 Gal. - Indirect Water Heater
Model: SMART 60
5% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(9)
Q&A (2)
$1,235.00
In-Stock
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Learn More About 633600000
Weil-McLain Aqua Plus 35 - 29.7 Gal. - Indirect Water Heater
Model: 633600000
4% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(8)
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$1,149.00
Only 5 In-Stock
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Learn More About 633600003
Weil-McLain Aqua Plus 85 - 81.6 Gal. - Indirect Water Heater
Model: 633600003
4% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(6)
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$1,739.00
In-Stock
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Learn More About SMART 80
Triangle Tube SMART 80 - 70 Gal. - Indirect Water Heater
Model: SMART 80
3% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(9)
Q&A (2)
$1,799.00
In-Stock
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2% Check Discount
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Learn More About SMART 120
Triangle Tube SMART 120 - 119 Gal. - Indirect Water Heater
Model: SMART 120
3% Buy This
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(9)
Q&A (1)
$2,599.00
In-Stock
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Learn More About 633500203
Weil-McLain Aqua Pro 119 - 119 Gal. - Indirect Water Heater
Model: 633500203
3% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(3)
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$2,799.00
In-Stock
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2% Check Discount
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Learn More About 633500202
Weil-McLain Aqua Pro 80 - 80 Gal. - Indirect Water Heater
Model: 633500202
3% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(3)
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$1,859.00
In-Stock
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2% Check Discount
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Learn More About AL35SL
Burnham AL35SL - 35 Gal. - Indirect Water Heater
Model: AL35SL
3% 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 (2)
$1,179.00
Factory-Direct
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2% Check Discount
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Learn More About AL55LT
Burnham AL55LT - 55 Gal. - Indirect Water Heater
Model: AL55LT
3% Buy This
Write a Review
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$1,199.00
Factory-Direct
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Learn More About 633500200
Weil-McLain Aqua Pro 30 - 30 Gal. - Indirect Water Heater
Model: 633500200
1% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(3)
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$1,269.00
Only 1 In-Stock
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Learn More About AL50SL
Burnham AL50SL - 50 Gal. - Indirect Water Heater
Model: AL50SL
1% 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 (3)
$1,299.00
Factory-Direct
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Learn More About SU80/5W
Buderus SU80/5W - 79.3 Gal. - Indirect Water Heater
Model: SU80/5W
1% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
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$1,675.00
Only 1 In-Stock
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Learn More About LT300
Buderus LT300 - 79 Gal. - Horizontal Indirect Water Heater
Model: LT300
1% Buy This
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(1)
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$1,999.00
Factory-Direct
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Learn More About SST250-65
Buderus SST250-65 - 67 Gal. - Indirect Water Heater
Model: SST250-65
1% Buy This
4.0 out of 54.0 out of 54.0 out of 54.0 out of 54.0 out of 5(1)
Q&A (1)
$1,879.00
Only 1 In-Stock
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Learn More About HM-80ZDW
Amtrol HydroMax - 80 Gallon - Indirect-Fired Water Heater - HDPE - Black
Model: HM-80ZDW
Amtrol - HM-80ZDW - 80 Gallon - Indirect-Fired Water Heater - HDPE - 255 First Hour Rating at 140,000 BTU Boiler Output & 90 Degree Temperature Rise - Single Coil - 3/4" Sweat Connection
1% Buy This
Write a Review
Q&A (1)
$1,999.00
Only 5 In-Stock
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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.
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Learn More About AL70CSL
Burnham AL70CSL - 70 Gal. - Indirect Water Heater
Model: AL70CSL
1% Buy This
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$2,010.00
Factory-Direct
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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.
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2% Check Discount
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Learn More About SMART 50
Triangle Tube SMART 50 - 46 Gal. - Indirect Water Heater
Model: SMART 50
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(9)
Q&A (3)
$1,189.00
In-Stock
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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.
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2% Check Discount
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Learn More About SMART 100
Triangle Tube SMART 100 - 95 Gal. - Indirect Water Heater
Model: SMART 100
4.8 out of 54.8 out of 54.8 out of 54.8 out of 54.8 out of 5(9)
Q&A (2)
$2,059.00
In-Stock
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2% Check Discount
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Learn More About 633800513
Weil-McLain Aqua Logic - 18.2 Gal. - Low Profile Indirect Water Heater
Model: 633800513
5.0 out of 55.0 out of 55.0 out of 55.0 out of 55.0 out of 5(7)
Ask a Question
$1,399.00
In-Stock
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