Instant-Flow® C-Micro Water Heater with 0.20 GPM Activation Flow Rate
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Instant-Flow® C-Micro Water Heater with 0.20 GPM Activation Flow Rate

Model Number:  CM Series
ADAUL ListedCalGreenETLFederal Public Law 111-380 (No Lead)UPCLEED v4

Chronomite CM Series Instant-Flow® C-Micro Low Activation models are manufactured to provide reliable electric point-of-use hot water.  The heater activates at an ultra low flow rate of 0.20 Gallons (0.75 Liters) per minute.

is fabricated from rugged cast aluminum
Element assembly is fabricated from Celcon plastic.
Heating coils are nichrome
Faucet flow controls are supplied with each unit. 3/8” compression fittings are supplied (standard)
Minimum Operating/Activation Flow Rate:0.20 Gallons (0.75 liters) per Minute
Wattage:1.44 to 5.54 Kilowatt Range (depending on model)

Product Function:
  • Ideal applications include: commercial, industrial, residential, public lavatories, kitchen/bar sink
  • Ideal for sensor/hands-free faucets with the 104°F (40°C) factory preset setting; no mixing valve needed
  • Works on low flow application
  • Unlimited hot water
  • Saves water and energy - 99% energy efficient
  • Meets CAL GREEN low flow requirements
  • Meets LEED v4 low flow requirements (lower than 0.4 gallons or 1.5 liter per minute)
  • Meets applicable building codes including ADA, UL, UPC and IAPMO, ETL
  • Environmentally friendly

Regularly Furnished:
  • Uses a digital microprocessor for temperature control 
    Ultra quick response times for temperature variations - 120 times per second. Microprocessor use is the most energy efficient means of heating water
  • Vandal resistant rugged cast aluminum housing (Standard)
  • Space saving compact size: 6.25 (H) x 9.625 (W) x 2.75 (D) inches (159 x 244 x 70 mm)
  • Made in the U.S.A.
  • Patent pending

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NameDescriptionFile Size
Submittal Low Activation, Instant-Flow C-Micro Water Heater (pdf)Instant-Flow® C-Micro Tankless, Point-of-Use Electric Water Heater [CM-12L/120, CM-12L/208,CM-12L/240, CM-12L/277, CM-15L/120, CM-15L/208, CM-15L/240, CM-15L/277, CM-20L/120, CM-20L/208, CM-20L/240, CM-20L/277] 1251 KBDownload
NameDescriptionFile Size
Manual CM Series Low Activation Water Heater (pdf)Low Activation CM Series Instant-Flow® C-Micro Tankless Point-of-Use Electric Water Heater1281 KBView


  • 2095-1 Disconnect Switch
  • Satin Finish Stainless Steel Housing (-SS)
  • High Polish Finish Stainless Steel (-SSP)
  • PA 765 ABS Plastic Housing (-P)
  • Pressure & Temp Relief Valve Assembly (-TP)
  • 1/2 inch Male NPT (-NPT08)
  • Preset Temperature 104°F (40°C)
  • Preset Temperature 110°F (43°C)
  • Preset Temperature 120°F (49°C)
  • Field Adjustable Temperature (-ADJ)

Activation Flow Rate: 0.20 Gallon per Minute
ModelAmpsVoltageWattsTemp Rise
at 0.35 GPM
Temp Rise
at 0.50 LPM
Temp Rise
at 1.00 GPM
CM-20L/24020240480090°F +66°F33°F
CM-20L/27720277554090°F +76°F38°F

Activation Flow Rate: 0.75 Liters per Minute
ModelAmpsVoltageWattsTemp Rise
at 1.30 LPM
Temp Rise
at 2.00 LPM
Temp Rise
at 4.00 LPM
CM-20L/24020240480050°C +34°C17°C
CM-20L/28820277554050°C +40°C20°C


  • Commercial
  • Industrial
  • Kitchen/Bar Sink
  • Public Lavatory
  • Residential

Data Sheets

Application Data Sheet - Dishwasher (pdf)Dishwasher - Application Data SheetView
Application Data Sheet - Kitchen and Bar Sink (pdf)Kitchen and Bar Sink - Application Data SheetView
Application Data Sheet - Multiple Lavatories (pdf)Multiple Lavatories - Application Data SheetView
Application Data Sheet - Non-Public Lavatory (pdf)Non-Public Lavatory - Application Data SheetView
Application Data Sheet - Public Lavatory (pdf)Public Lavatory - Application Data SheetView
Application Data Sheet - Service Sink (pdf)Service Sink - Application Data SheetView
Application Data Sheet - Shower (pdf)Shower - Application Data SheetView
Instant-Flow® C-Micro,CM Series Flyer (pdf)Instant-Flow® C-Micro,CM Series Flyer (pdf)View
Special Applications - Application Data Sheet (pdf)Special Applications - Application Data SheetView