Water Heating
Toyotomi OM-122DW
Semi On Demand Water Heater
Save energy and money with the Toyotomi OM-122 Semi On-Demand Water Heater. On-demand water heaters only heat water when you need it and never run out of hot water. Ultra efficient, compact, and quiet, Toyotomi on-demand water heaters are rated to heat up to 240 gallons per hour!
Toyotomi OM-122DW Features & Benefits
- Economical: Some consumers have reduced hot water heating costs by up to 70
- Heats the water you need, when you need it, up to 240 gallons per hour!
- Consistent water temperature
- Stainless steel heat exchanger
- 88% efficient
- Proven trouble-free performance
- Safe: UL, CUL, home and mobile home approved
- Direct vent (as shown below) or chimney vent
- Small, compact size
- Limited 10 Year Warranty
- Learn more at ToyotomiUSA.com
Type
Combustion Type – Pressure Vapor
Flue Pipe – Forced Flue
Heating – Instantaneous
Source of Water – Direct Connection to Main Supply
Ignition
High Voltage Discharge Spark
Efficiency
88%¹
Fuel Consumption
1.1 gal./hr
Fuel Type
ASTM D3699 K1 Kerosene
ASTM D396 No.1 Fuel Oil
ASTM D975 Ultra Low Sulphur Diesel (ULSD)
ASTM D396 No.2 Fuel Oil (home heating oil)
Weight
86 lbs. empty
Hot Water Output
148,000 BTU/hr
Max. Hot Water Temperature
155°F (approximately)
Water Flow Rate/Temperature Rise
6.1 gal./min. (40°F rise)
4.8 gal./min. (50°F rise)
4.0 gal./min. (60°F rise)
3.5 gal./min. (70°F rise)
3.0 gal./min. (80°F rise)
Capacity of Heat Exchanger
5.10 gallon
Area of Heat Transmission
9.7 ft.2
Fuel System
Tank²
Dimensions (WxHxD)
12-5/8″ x 27-3/4″ x 22-1/2″
Vent Pipe Hole
4-3/4″ diameter
Maximum Length of Vent Pipe System
10 ft., 3 bends or less
Electrical Rating
120 Volts AC, 60 Hz
Ignition – 110W
Burning – 98W
Required Accessories
Fuel Strainer, Temp. & Pressure Relief Valve and Flue Pipe Installation Kit or 4 or 5-inch Chimney Adapter Kit
Exhaust Air Temperature
Less than 500°F
Nozzle
Quantity of Vapor – 1.1 GPH
Spraying Angle – 60°
Temperature Fuse
282°F
Electric Current Fuse
5A
² Existing tank or purchase tank from local supplier.