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Toyostove Laser 30 Oil Heater   Oil Miser OM-128HH
On-Demand Water Heater

Home > Oil Heaters > Oil Miser > OM128HH

The Toyotomi/Oil Miser water heaters are on-demand, which means there is no costly storage of hot water until it is needed. Like all Toyotomi products they are safe, reliable, and easy to install. You'll love the convenience…and you'll love your new lifestyle.


Compact low-mass water heater with 87% AFUE efficiency saves customers as much or more than the leading cast iron boilers, AT HALF THE SIZE!


  • Economical: Some consumers have reduced hot water heating costs by up to 50%!
  • No costly storage of hot water when it is not needed…Cold start capabilities
  • Stainless steel heat exchanger!
  • 87.1% efficient!
  • Proven trouble-free performance
  • Safe: ETL and CETL home and mobile home approved.
  • Direct vent (as shown below) or chimney vent.
  • Small, compact size.
  • 77 lb. weight allows for one person installation.
  • Limited 10 YEAR WARRANTY


  •  Heating Method: On-demand
  •  Dimensions (WxHxD): 12.625" x 27.75" x 22.5"
  •  Fuel Type: #1 OR #2 Low Sulphur Fuel Oil ASTM D396 and ASTM D975 Ultra low sulphur fuel oil or 1-K Kerosene
  •  Electric Rating: AC 120V, 60Hz
  •  Fuel Consumption: 1.05 gallon per hour
  •   Heat Exchange Capacity: 5.10 gallons
  •  Weight: 77 lbs (empty)
  •  Fuel System: External tank gravity fed