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Compact white rectangular undersink tankless water heater with compression inlet and mounted controls

Chronomite Instant-Flow Micro

Chronomite Instant-Flow Micro CM-12L/277 110F Undersink water heater part

SKU CH-SV0G-KS56E

Electric tankless heater delivers 110 °F water at up to 1 gpm from a 277 V supply

  • Product typeWater Heaters
  • Instant hot water at 110 °F factory preset
  • Activates at only .2 gpm low flow
  • Compact 2.75 in deep fits tight cabinets
  • 277 V single-phase 12 A commercial-grade power
  • 14 AWG cord simplifies hard-wire installation

Undersink Electric Tankless Heater

The Chronomite CM-12L/277 110F is a compact electric tankless water heater designed for undersink installation in commercial and residential settings. It delivers hot water on demand at a fixed maximum temperature of 110 degrees F with a maximum flow rate of 1 gpm.

Electrical Supply And Plumbing Connection

Verify that the installation site provides a 277V AC single-phase electrical supply capable of supporting 12 A current draw and 3,320 W power consumption. The unit requires a 3/8 in compression-type cold water inlet and 14 AWG wire for the cord connection.

Fixed Temperature And Activation Threshold

The heater operates with a non-adjustable thermostat locked at 110 degrees F for both minimum and maximum delivered temperature. A minimum flow activation of 0.2 gpm is required to start heating, meaning very low-flow fixtures may not trigger the unit.

How it compares

Measured against everything we stock in Water Heater Parts & Add-Ons, at today’s prices. Recalculated every night.

Price $235.99
Pricier than about 63% of the 85 comparable items (median $163.99).

Specifications

Product
Brand nameCHRONOMITE
Product typeWater Heaters

Questions about this item

What comes in the box with the CM-12L/277 110F undersink unit and what must be purchased separately?

The heater ships as a single unit with a 14 AWG cord and compression fitting for the 3/8 in cold inlet; mounting hardware, supply lines and a dedicated 277 V circuit breaker are not included.

How do I decide between the fixed 110 °F model and any adjustable-thermostat version?

This model delivers a constant 110 °F with no thermostat adjustment; choose it when a single, non-variable temperature is required, otherwise select a unit that lists an adjustable thermostat.

What does the 3,320 W rating mean for daily use at a sink?

At 277 V AC the element draws 12 A and activates at 0.2 gpm, providing up to 1 gpm of 110 °F water instantly for hand-washing or light commercial fixtures.

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