'/%3E%3C/svg%3E)
Hover image to zoom
Series 3 153,000 BTU Output, Electronic Ignition, 7 Section Gas Fired Cast Iron Boiler (Nat Gas)
 --%3E %3Csvg version='1.1' id='No-RB' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' x='0px' y='0px' viewBox='0 0 100 100' enable-background='new 0 0 100 100' xml:space='preserve'%3E %3Cpath fill='%23CECECE' d='M79.44,0.95H20.56C9.78,0.95,0.95,9.78,0.95,20.56v58.87c0,10.79,8.82,19.61,19.61,19.61h58.87 c10.79,0,19.61-8.83,19.61-19.61V20.56C99.05,9.78,90.22,0.95,79.44,0.95z M65.38,58.24l9.38,29.58L49.69,69.78L24.5,87.82 l9.34-29.6L8.8,39.6l30.73-0.17c0,0,6.98-19.61,10-28.93c0.54,1.36,9.88,29.1,9.88,29.1H91.2L65.38,58.24z'/%3E %3C/svg%3E){kind=small}
Hover image to zoom
MANUALS (4)
Schematic Feature!
Replacement Parts
Lift Gate
–
This product weighs 464 lbs. and may require the use of a lift gate. If you do require a lift gate at your delivery, you'll have the option to add this FREE of charge when you checkout.
Free Shipping This item ships free
Easy Returns No restocking fee for 90 days
Product Highlights
–
Natural Gas
Atmospheric
Hydronic (Water)
210000 BTUs
24-3/4" Width
41" Height
Description
–
Heating equipment must be installed, commissioned, and serviced by a licensed and qualified professional in accordance with manufacturer instructions, applicable codes, and industry standards. Manufacturers do not accept warranty or technical support requests from homeowners or unlicensed individuals. All warranty and technical inquiries must be initiated by the licensed professional responsible for the installation.
Note: Product Title reflects this boiler's IBR Net Output Rating
The Series 3 shares many of its features with the award winning ES2, including the durable cast iron heat exchanger, rugged heavy gauge steel base and the innovative IQ Control System. The IQ Control System allows the Series 3 to be easily equipped with an optional Energy Saving control package that, according to many studies, can deliver up to a 15% reduction in fuel consumption. In addition, the Series 3 provides even more flexible chimney venting options making it the right choice for millions of homes.
Features:
Note: Product Title reflects this boiler's IBR Net Output Rating
The Series 3 shares many of its features with the award winning ES2, including the durable cast iron heat exchanger, rugged heavy gauge steel base and the innovative IQ Control System. The IQ Control System allows the Series 3 to be easily equipped with an optional Energy Saving control package that, according to many studies, can deliver up to a 15% reduction in fuel consumption. In addition, the Series 3 provides even more flexible chimney venting options making it the right choice for millions of homes.
Features:
- Exclusive IQ Control System platform
- Optional LCD touch screen for system monitoring
- Time proven cast iron design for durability and reliability
- Optimum venting flexibility for homes with existing chimneys
- Limited Lifetime Manufacturer's Warranty
- Optional 5 or 10-year Extended Warranties
Specs
–
| Fuel Type: | Natural Gas |
|---|---|
| BTU Input: | 210000 |
| DOE Rating: | 176000 |
| IBR Rating: | 153000 |
| Efficiency: | 84% |
| System Type: | Hydronic (Water) |
| Vent Type: | Atmospheric |
| Features: | EI/Spark Ignition Atmospheric Vent |
| Width (Inches): | 24-3/4" |
| Height (Inches): | 41" |
| Depth (Inches): | 33" |
| Supply Size: | 1-1/4" |
| Return Size: | 1-1/4" |
| Weight (lbs): | 460 lbs |
| Water Contents (Gal): | 6 |
| Vent Size: | 7" |
| Relief Valve: | 3/4" |
| Gas Valve: | 3/4" |
Contact
+
Happy Independence Day!
Our Customer Support will be closed today in honor of Independence Day. We will be back on Sunday to answer your questions.
Call or text 888-757-4774
Special Hours
Closed Now
Monday – Thursday
8am–7:45pm
Friday
9am–7:45pm
Saturday – Sunday
9am–5:45pm
Need help calculating?
Use Our CalculatorCompare Similar Products
Brand
Fuel Type
BTU Input
DOE Rating
IBR Rating
Efficiency
CURRENT ITEM
Natural Gas
210000
176000
153000
84%
You May Also Need
307B NG Taco
Replacement Parts
SKU: 307BNI-T
Brand: Burnham
Search Parts:
SEARCH PARTS
 --%3E %3Csvg version='1.1' id='Fill' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' x='0px' y='0px' viewBox='0 0 100 100' enable-background='new 0 0 100 100' xml:space='preserve'%3E %3Cpath fill='%23F15C02' d='M79.44,0.95H20.56C9.78,0.95,0.95,9.78,0.95,20.56v58.87c0,10.79,8.82,19.61,19.61,19.61h58.87 c10.79,0,19.61-8.83,19.61-19.61V20.56C99.05,9.78,90.22,0.95,79.44,0.95z M65.38,58.24l9.38,29.58L49.69,69.78L24.5,87.82 l9.34-29.6L8.8,39.6l30.73-0.17c0,0,6.98-19.61,10-28.93c0.54,1.36,9.88,29.1,9.88,29.1H91.2L65.38,58.24z'/%3E %3C/svg%3E){kind=small}
Need help finding a replacement part?
Fill out the part request form and someone will get back to you shortly.
PART REQUEST FORM
Product Q&A
1 Question1 Question
Q: What is the electrical load on the ES2?ES2
Asked by Linn 10 years ago
Add your answer
Verified Reply- SupplyHouse StaffAs per the install manual for the ES2 it requires 120VAC and less than 12A service.
Was this review helpful to you?
Free Shipping
On orders over $99
We offer flexible shipping and scheduling options, up-to-date delivery estimates, and free ground shipping on any order over $99 to make sure your order gets to you on-time, for less.
Shipping PolicyEasy Returns
Returning items is as simple as 1-2-3
Ordered the wrong product? Item damaged in transit? Our 3-step process makes returning products easy – even up to a year after purchase – with no restocking fees on returns made within 90 days.
Return Policy