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Chronomite CM Series Front

Chronomite CM-40L/277 | Instant-Flow® C-Micro® Point-of-Use Thermostatic Tankless Water Heater with 0.20 GPM Activation

by Chronomite
$300.00 - $300.00
$300.00
$300.00 - $300.00
$300.00

The Chronomite CM‑40L/277 is a compact, energy-efficient point-of-use tankless water heater delivering instant hot water with reliable thermostatic control.
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Chronomite CM-40L/277 Instant-Flow® Tankless Water Heater

Maximum Output. Instant Hot Water. Built for Demanding 277V Commercial Applications.

The Chronomite CM-40L/277 is the highest-capacity model in the 277V Instant-Flow® CM Series, delivering powerful on-demand hot water with 8,878 watts of heating output. Designed for use in commercial and industrial environments where hot water demand is high and space is limited, this tankless heater provides fast, efficient, and unlimited hot water at the point of use. Perfect for public restrooms, hospitals, manufacturing facilities, and institutional sinks.

Performance Benefits

Feature

Specification

Benefit

Power Rating

40 Amps, 277 Volts, 8,878 Watts

✓ Maximum power for high-demand or cold water environments

Temperature Rise

~157°F at 0.40 GPM (approximate)

✓ Suitable for colder climates or higher-temp wash stations

Activation Flow Rate

0.20 GPM 

✓ Supports ultra-low flow fixtures and sensor faucets

Size

6-1/4" (H) × 9-5/8" (W) × 2-3/4" (D)

✓ Space-saving design for under-sink or tight installations

How It Works: Instant Heating Technology

Stage 1: Flow Activation

  • Function: Activates instantly at 0.20 GPM
  • Benefit: No standby energy waste—only draws power when water is flowing

Stage 2: Precision Heating

  • Function: Nichrome coils heat water on contact inside a Celcon polymer chamber
  • Benefit: Provides consistent hot water instantly with no storage tank or wait time

Key Features

  • Rugged Cast Aluminum Housing: Corrosion- and vandal-resistant—ideal for commercial and institutional settings
  • Unlimited Hot Water: No tank, no wait—delivers continuous hot water on demand
  • 99% Energy Efficiency: Heats only as needed, minimizing power consumption
  • Compact Installation: Easily mounts under sinks, inside cabinets, or behind walls
  • Green Building Ready: Supports LEED credits and reduces water/energy waste
  • No Pressure Relief Valve Required: Simplifies setup (check local code)

Compared to Traditional Tank Heaters

Feature

CM40L/277 Tankless Heater

Traditional Tank Heater

Energy Use

99% efficient—heats only on demand

Continuous energy use to maintain tank temp

Hot Water Supply

Unlimited

Limited by tank size and recovery time

Installation Size

Compact: 6-1/4" x 9-5/8" x 2-3/4"

Bulky, often requires floor space

Maintenance

Minimal

Requires frequent descaling, flushing

Service Life

Long—no corrosion-prone tank

Shorter due to internal corrosion and sediment buildup

Certifications & Compliance

  • ✅ UL Listed – Conforms to UL 499 standards for electrical safety
  • ✅ CSA Certified – Meets CAN/CSA C22.2 No. 88
  • ✅ UPC / IAPMO Approved – Code-compliant for plumbing installations
  • ✅ ADA Compliant – Suitable for accessible and public-use spaces
  • ✅ Lead-Free Certified – Complies with U.S. Public Law 111-380 for safe plumbing

What’s Included

  • 1 × Chronomite CM40L/277 Instant-Flow® Tankless Water Heater
  • 3/8" Compression Fittings (Inlet & Outlet)
  • Faucet Flow Control Adapters
  • Installation & Operation Manual

Dimensions

6-1/4"H x 9-5/8" x 2-3/4”

Kilowatt Output

1.44 to 11.08

Activation Flow Rate

0.20 GPM

Product Features

Ultra-Low Activation Flow Rate of 0.20 GPM

Patent(s)

Patent Pending

Installation:

A licensed plumber is required for installation per your local regulatory requirements.

Before beginning, turn off the breaker and disconnect the electrical supply to the area.

Shut off the water supply to the fixture.

Double‑check that everything has been turned off prior to proceeding.

For optimal performance, Chronomite electric tankless water heaters should always be installed within 18 inches of the point of use.

Maintenance:

Periodically inspect the supply lines, connections, and heater for any moisture, corrosion, or other preventable problems.

Installation

Submittal

Warranty

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