Chronomite CM-20L/208 Instant-Flow® Tankless Water Heater
Powerful, Energy-Efficient Hot Water for Commercial Point-of-Use Applications
The Chronomite CM-20L/208 delivers fast, on-demand hot water with enhanced heating power for more demanding handwashing applications. Designed for 208-volt systems, this model offers a higher temperature rise while maintaining a compact profile—ideal for public restrooms, health care facilities, offices, and anywhere space and efficiency matter.
Performance Benefits
|
Feature
|
Specification
|
Benefit
|
|
Power Rating
|
20 Amps, 208 Volts, 4160 Watts
|
✓ Greater heating capacity for cooler inlet water
|
|
Temperature Rise
|
~75°F at 0.40 GPM (approximate)
|
✓ Ideal for colder climates or higher wash temperature needs
|
|
Activation Flow Rate
|
0.20 GPM
|
✓ Activates with low-flow fixtures to save water and energy
|
|
Size
|
6-1/4" (H) x 9-5/8" x 2-3/4"
|
✓ Installs easily under sinks or in confined spaces
|
How It Works: Instant Heating Technology
Stage 1: Flow Activation
-
Function: Activates immediately when flow reaches 0.20 GPM
-
Benefit: No standby energy waste—operates only when hot water is needed
Stage 2: Precision Heating
-
Function: Nichrome heating coils warm the water as it flows through a Celcon plastic heating chamber
-
Benefit: Delivers consistent, safe temperatures with no waiting or reheating lag
Key Features
-
Durable Cast Aluminum Housing: Vandal-resistant and corrosion-resistant for commercial use
-
Endless Hot Water: Instant, continuous hot water supply—perfect for high-use handwashing stations
-
Exceptional Efficiency: 99% efficient—heats water only when required
-
Ultra-Compact Design: Small enough for tight under-counter spaces
-
Sustainability Focused: Reduces both water and energy waste for eco-conscious building operations
-
Simple Installation: No pressure relief valve needed in most cases (verify with local codes)
Compared to Traditional Tank Heaters
|
Feature
|
CM20L/208 Tankless Heater
|
Traditional Tank Heater
|
|
Energy Efficiency
|
99% – Operates only when water is flowing
|
Consumes energy constantly to maintain tank temp
|
|
Size
|
Compact (6-1/4" x 9-5/8" x 2-3/4")
|
Large, space-intensive unit
|
|
Hot Water Supply
|
Unlimited on-demand
|
Limited by tank capacity
|
|
Maintenance
|
Minimal maintenance
|
Requires periodic descaling, flushing, and inspections
|
|
Durability
|
Long-lasting with no tank corrosion
|
Tank wear shortens lifespan
|
Certifications & Compliance
-
UL Listed: Meets UL 499 safety standards
-
CSA Certified: Complies with CAN/CSA Standard C22.2 No. 88
-
UPC / IAPMO Approved: Fully approved for use in plumbing systems
-
ADA Compliant: Suitable for use in public and accessible facility installations
-
Lead-Free Compliant: Meets U.S. Public Law 111-380 for safe plumbing materials
What's Included
- 1 × Chronomite CM20L/208 Instant-Flow® Tankless Water Heater
- 3/8" Compression Fittings (Inlet & Outlet)
- Faucet Flow Control Adapters
- Complete Installation and Operation Instructions
Ships with standard (ADJ) option. To request a preset factory temperature at 104°, 110° or 120°F, please email us immediately after placing your order.
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.
