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Note: Product Title reflects this boiler's IBR Net Output Rating

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. Even the MPO-IQs Control System is best in class. The IQ Control System allows the MPO-IQ to be easily equipped with an optional Energy Saving control package that can achieve up to a 15-20% reduction in fuel consumption according to most studies.

  • Oil-fired boiler
  • 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
  • Built-in protection for low return water temperatures
  • Easy installation and servicing; Reversible swing away burner door, no target wall/blanket, removable rear plates provide direct access to flue passages
  • Limited Lifetime Manufacturers Warranty
  • Optional 5 or 10-year parts & limited labor warranty
  • Extended Boiler Warranty Plans are administered CornerStone United, In
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Manuals (3)
Fuel Type:
IBR Rating:
DOE Rating:
EI/Spark Ignition
System Type:
Hydronic (Water)
Vent Type:
Flue Connection:
Burner Capacity:
Height (Inches):
Width (Inches):
Depth (Inches):
Weight (lbs):
475 lbs
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