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The Oil Miser 180 Combo unit from Toyotomi USA, Inc. is designed to solve domestic hot-water and hydronic-heating needs while saving money. The unit features a 148,000 BTU burner encased in a stainless-steel cabinet; compact size that allows a single-person direct-vent or chimney-vent installation; heavy-duty high-efficiency heat exchanger; is capable of burning No. 2 heating oil, No. 1 fuel oil or kerosene; provides continuous hot water at up to 240 gallons per hour; and is ETL approved for both residential houses and mobile homes. Energy star rated. For more information, watch these Toyotomi and Toyostove videos.

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Oil Miser OM-180 


  •  Continuous hot water
  •  Cold start capacity
  •  Mobile home approved
  •  Stainless steel heat exchanger
  •  Quiet, trouble-free performance
  •  Direct vent or chimney vent
  •  Small, compact size
  •  Limited 10 year warranty



  •  Heating Method: Instantaneous
  •  Dimensions (WxHxD): 12.6" x 27.75" x 22.5"
  •  Fuel Type: #1 OR #2 Fuel Oil, and Kerosene
  •  Electric Rating: AC 120V, 60Hz
  •  Fuel Consumption: 1.05 gallon per hour
  •   Heat Exchange Capacity: 5.10 gallons
  •  Weight: 81 lbs (empty)
  •  Fuel System: Exterior