Peerless® Pinnacle® (Oil)

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The Peerless® Pinnacle® high efficiency, Oil-fired condensing boiler offers 92% efficiency and is ENERGY STAR® compliant. Two firing rates are available – .5 GPH and .6 GPH – with input ranges from 70,000 BTU/Hr. to 84,000 BTU/Hr. respectively.

The residential boiler is equipped with a Beckett AFG Burner, enabling the boiler to reach efficiencies well in excess of conventional boilers; both firing rates qualify for the ENERGY STAR rating. The heat exchanger is constructed of high alloy stainless steel that assures the boiler's durability and protects from erosion.

The direct vent, sealed combustion boiler offers many control features including multiple temperature set points for both heating and domestic hot water and outdoor reset capability. Test and diagnostic functions can be viewed on the LCD display.

The boiler is certified for a zero clearance to combustibles and has a low vent outlet; both aid in ease of installation. Additional venting components are available for vertical or horizontal vent configurations. The slim space saving design is enhanced by top mounting availability. A reversible swing door and top access to burner and internal components allows for quick and easy service and maintenance. An insulated acoustic shroud and boiler jacket promotes quiet operation and reduces heat loss. Optional equipment for the boiler include alarm relay as well as system and domestic hot water pump relays to support multiple applications.

And, as with all Peerless® products, a comprehensive warranty and the dependable Peerless® name back the Pinnacle® Oil boiler.

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Type: Residential
Construction: Stainless Steel
Fuel: Oil-Fired, Condensing
Input: 70 to 84 MBH
Output: 64 to 77 MBH
Venting: Sealed Combustion, Direct Vent
Trim: Water


  • 92% AFUE—ENERGY STAR® Efficient!
  • Condensing, Oil-Fired Boiler
  • Direct Vent, Sealed Combustion
  • Two Firing Rates Available
  • No Secondary Heat Exchanger
  • Multi-Functional Controls
  • Quiet Operation
  • Slim Design/Small Footprint
  • Designed, Tested and Stamped in Accordance with the ASME Boiler and Pressure Vessel Code

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Series Peerless® Pinnacle® Oil
Model Number1 Input2 Heating Capacity3, MBH Net Ratings Water4, MBH AFUE5, %
PO-70 0.50 70 64 56 91.7
PO-70A1 0.50 70 65 56 92.0
PO-84 0.60 84 77 67 91.3
PO-84A1 0.60 84 77 67 91.8

1 Models PO-70A and PO-84A designate boilers using an alternate minimum vent length of 25 equivalent feet.

2 Firing Rate is based on commercial standard #2 fuel oil with a heating value of 140,000 Btu/gallon. Burner input is based on a maximum altitude of 2,000 ft - for higher altitudes consult the factory.

3 Heating Capacity ratings are based on U.S. Government standard tests, with 13.0% CO².

4 the Net Output Ratings are based on a pick-up allowance of 1.15. Consult the factory before selecting a boiler for gravity hot water installations or installations having unusual piping and pick-up requirements, such as intermittent system operation and extensive piping systems.

5 Heating Capacity, Net Output, and Annual Fuel Usage Efficiency (AFUE) are based on testing required by the FTC and are 3rd Party Verified.

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Series Peerless® Pinnacle® Oil Boiler Dimensions

Boiler Model Number Jacket Depth
Jacket Width
Jacket Height
Approximate Shipping Weight
PO-70 28" 20-1/2" 64-1/4" 352
PO-70A 28" 20-1/2" 64-1/4" 352
PO-84 28" 20-1/2" 64-1/4" 352
PO-84A 28" 20-1/2" 64-1/4" 352

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