Toyotomi Water Heater OM-180
OM-180

A Water Heater with a Boiler Attitude for Hydronic Heating

This versatile on-demand continuous flow water heater with 87% efficiency saves customers as much or more than the leading cast iron boilers, at half the size!

  • Continuous hot water
  • Compact and 81 lb. weight allows for one person installation
  • Inlets/outlets on two sides for easy installation
  • Choice of direct vent or chimney vent
  • Cold start capability
  • Over 4 gallons per minute with 60°F temperature rise
  • Approximately 180°F maximum hot water temperature
  • Very quiet and reliable operation
  • Stainless steel heat exchanger and cabinet
  • Adjustable temperature differential for cycling control
  • Safe: ETL and home and mobile home approved
  • Proven trouble-free performance.
  • Limited 10 YEAR WARRANTY
EnergyStar
Specifications
Model Stainless steel cabinet and heat exchanger
Home and mobile approved
Type Pressure vapor, Forced Flue, On-Demand Heating
List: UL 732 & UL 307A
Hot water supply, hydronic heating (check local reqirements)
Flow Rate/Temperature Rise: 6.2 gal/min (40°F rise), 5.0 gal/min (50°F rise)
4.1 gal/min (60°F rise), 3.5 gal/min (70°F rise)
3.1 gal/min (80°F rise)
Ignition High Voltage Discharge Spark
Efficiency 87.1% AFUE rating (excluding condensed vapor)
Fuel Consumption: 1.05 gal/h
Capacity of Heat Exchanger: 5.10 gal
Temp. Differential Settings: 3.6°F, 18°F, 36°F (3 settings by selector switch)
Fuel System: External tank - purchase separately
Dimensions (W x H x D): 12-5/8" x 27-3/4" x 22-1/2"
Weight: 81 lbs. Empty
Vent Pipe Hole: 4-3/4" diameter (for flue pipe installation kit)
Max. Length of Vent Pipe System: 10 ft., 3 bends or less (exhaust pipes for flue pipe installation kit)
Electrical Rating: 120 Volts AC, 60 Hz
Ignition - 120W
Burning - 98W
Fuel Type: ASTM D3699 K1 KEROSENE
ASTM D396 NO.1 FUEL OIL
ASTM D975 ULTRA LOW SULPHUR DEISEL (ULSD)
ASTM D396 No.2 Fuel OIL (HOME HEATING OIL)
Required Accessories: Flue Pipe Installation Kit or 5-inch Chimney Adapter Kit
Fuel Filter and Drain Valve
Safety Device: High Limit Thermistor,
Heat Exchanger Bi-metal Switch,
Temperature Fuse, Fusible Link Valve
Exhaust Air Temperature: less than 500°F
Temp & Pressure Relief Valve (included)
Nozzle Size: 0.85 GPH
Spraying Angle: 60°
Spray Pattern: Delavan Type XA
Temperature Fuse: 282°F
Electric Current Fuse: 5 A - Main • 7 A - Auxiliary Port for Circulation Pump., etc.
Optional Accessories: Remote Controller

 

Diagram

 

OM-180 drawing