Model # MPO-IQ115-TB

Internet #204640860

null MPO-IQ Oil Cast Iron Water Boiler with 88,000 BTU

MPO-IQ Oil Cast Iron Water Boiler with 88,000 BTU

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Product Overview

The MPO-IQ blends unmatched performance with long lasting durability and exclusive energy saving features. Designed as an optimal replacement boiler for millions of homes with existing chimneys, the MPO-IQ has the highest average efficiency in its class. Its rating as high as 87% AFUE, easily exceeds Energy Star levels for efficiency and may qualify for tax credits and/or utility rebates (check for availability in your area). At the heart of the MPO-IQ is an advanced 3-pass cast iron heat exchanger, combined with a well-insulated powder-coated steel jacket.

  • Oil-fired boiler
  • Hot water only
  • Exclusive IQ control system platform
  • High quality boiler control components
  • Time proven cast iron design for durability and reliability
  • Energy star certified - efficiency tax credits/rebates may apply
  • Designed for homes without existing chimneys
  • Available direct vent option when a chimney is not available

Info & Guides

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Name Liberty 131,000 to 175,000 BTU Input 117,000 to 131,000 BTU Output Hot Water Oil Boiler without Coil MPO-IQ Oil Cast Iron Water Boiler with 88,000 BTU Intrepid Hot Water Oil-Fired Steam Tankless Boiler with 98,000 BTU Output Elite FT Gas Heating Water Boiler with 55,000 BTU
Brand Slant/Fin Slant/Fin HTP
Ratings (4) (0) (0) (1)
Annual Fuel Utilization Efficiency (AFUE) (%) 86 87 84.1 97.3
Heat rating (BTU/hour) 131000 88000 130000 55000
Fuel type Heating Oil Heating Oil Heating Oil Natural Gas
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Product Depth (in.)
Product Height (in.)
Product Width (in.)


Annual Fuel Utilization Efficiency (AFUE) (%)
Capacity (gallons)
Color Family
Energy Consumption (kWh/year)
Fuel Gauge
Fuel type
Heating Oil
Heat rating (BTU/hour)
Heating Product Type
Heating Technology Type
Ignition Type
Product Weight (lb.)

Warranty / Certifications

Certifications and Listings
ETL Listed
Manufacturer Warranty
Limited Warranty

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Customer Questions & Answers

Is this available with a coil for hot water?

Asked by: Tom
No. The reason is that this boiler is designed to have a very high efficiency. Operating a tankless coil requires that the boiler maintain temperature 24 hours a day 365 days a year. Thus if you were to have a coil the boiler would come on periodically to martian temp. These short cycles would cause the flue gas to condense at this efficiency. If it is your desire to use this boiler to make hot water in addition to heating water, you would install it using a indirect fired hot water heater. This is a separate zone of heat where the boiler water goes through a coil in an external tank; heating it. If you have further questions you are welcome to give me a call. Chris 978 651 3301
Answered by: chris
Date published: 2015-12-23

Is the burner included?

I want to hook it up as direct vented. Is the burner a direct vented burner? If the burner is not included, what is the cost of the burner?
Asked by: Phil
Thank you for your recent inquiry with The Home Depot. This MPO-IQ Oil Cast Iron Water Boiler has a Beckett burner and is designed for homes without existing chimneys. It has a direct vent option when a chimney is not available. The direct vent option kit is available in three sizes (1.05-1.65 GPH). Since this is recommended to be installed by a licensed contractor I believe it would be best to reach out to the manufacturer for assistance. The manufacturer is U.S. Boiler Company, Inc. their customer service department can be reached at 1-888-432-8887. Please contact us with any additional questions at 800-430-3376 or Thank you for shopping Home Depot.
Answered by: THDSUPPORT
Date published: 2015-11-16
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