Chronomite CM-15L/120 Instant-Flow® Tankless Water Heater
Reliable, Energy-Efficient Hot Water On Demand for Point-of-Use Applications
The Chronomite CM15L/120 delivers dependable, on-demand hot water in a compact, efficient design. Engineered for point-of-use applications such as hospitality sinks, commercial restrooms, and break rooms, this low-flow electric tankless water heater is ideal for light-duty hand washing. The CM15L/120 helps reduce energy and water waste while delivering consistent temperature output, all without taking up valuable space.
Performance Benefits
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Feature
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Specification
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Benefit
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Power Rating
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15 Amps, 120 Volts, 1800 Watts
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✓ Energy-efficient heating for low-demand applications
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Temperature Rise
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31°F at 0.40 GPM
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✓ Optimized for handwashing use
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Activation Flow Rate
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0.35 GPM (1.3 LPM)
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✓ Compatible with modern low-flow faucets
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Size
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6-1/4" (H) x 9-5/8" x 2-3/4"
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✓ Compact design for under-sink installations
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How It Works: Instant Heating Technology
Stage 1: Flow Activation
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Function: Activates instantly when water flow reaches 0.20 GPM
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Benefit: Eliminates standby energy loss, only heats when water is flowing
Stage 2: Precision Heating
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Function: Nichrome coil heating system warms water as it passes through the Celcon plastic element
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Benefit: Delivers consistent and safe hot water temperature in real time
Key Features
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Durable Construction: Cast aluminum housing protects internal components and deters vandalism
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Endless Hot Water: Instant, unlimited hot water on demand
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99% Energy Efficient: Only heats water when needed—no tank to keep warm
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Space-Saving Design: Slim profile fits easily under sinks or in tight spaces
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Environmentally Responsible: Reduces water and energy usage
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No Pressure Relief Valve Needed: Streamlined installation (local codes may vary)
Compared to Traditional Tank Heaters
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Feature
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CM15L/120 Tankless Heater
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Traditional Tank Heater
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Energy Efficiency
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99% – Only heats water when needed
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Constant energy use to maintain stored water temperature
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Size
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Compact 6-1/4" x 9-5/8" x 2-3/4"
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Bulky and space-consuming
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Hot Water Supply
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Unlimited
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Limited to tank volume
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Maintenance
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Minimal maintenance
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Requires periodic flushing and upkeep
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Lifespan
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Extended service life
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Susceptible to corrosion and scale buildup
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Certifications & Compliance
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UL Listed: UL 499 certified for electrical safety
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CSA Certified: Complies with CAN/CSA C22.2 No. 88
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IAPMO / UPC Approved: Meets national plumbing code standards
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ADA Compliant: Suitable for public and accessible use
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Lead-Free Certified: Meets U.S. Federal Public Law 111-380
What's Included
- 1 × Chronomite CM15L/120 Instant-Flow® Tankless Water Heater
- 3/8" Compression Fittings
- Faucet Flow Control Devices
- Installation 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.
