A.O. Smith Signature 100 Series 6-Gallon Compact Point Of Use Electric Water Heater - Item #816162 | Model #E6-6C15SV
A. O. Smith's Signature 100 Series 6-gallon compact water heater is a good fit for specialized applications and small capacity needs. Its low-profile design with top water connections is ideally suited for installations in garages, workshops and under sinks. Made to last, this water heater has a single 1,500-watt copper heating element, protective anode rod and fused ceramic tank shield that provide superior tank protection and extends water heater life. For added peace of mind, it comes with a 6-year limited tank and parts guarantee and a 1-year limited labor warranty. Delivers the ideal amount of hot water for specialized applications and small capacity needs
Features
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Features a single 1,500-watt copper heating element that provides a first hour delivery of 7 gallons at 90 degrees Fahrenheit
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Low-profile 15.25-in high x 14.25-in diameter design allows for easy installation under counters or inside cabinets
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Optional side or top connections are available
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Provides superior tank protection and extends water heater life with premium heating elements, anode rod and fused ceramic tank shield
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Reduces heat loss with non-CFC polyurethane foam insulation for maximum efficiency and energy savings
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Features easy temperature control with adjustable thermostat you can set higher or lower for dishwashers and laundry machines
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Factory-installed temperature and pressure relief valve and tamper-proof drain valve ensure safe operation
What our Experts Think
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Perfect for small, quick hot‑water needs: This compact 6‑gallon point‑of‑use electric heater delivers about 7 gallons per hour at 90 °F, ideal for under‑sink, bathroom vanity, workshop, or garage installations where space and demand are low.
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Space‑saving design: The low‑profile 15.25″ × 14.25″ tank fits easily under counters or inside cabinets, making it a smart choice where full‑size heaters won’t work.
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Durable tank construction: Premium copper heating element, anode rod, and fused ceramic tank shield help protect against corrosion and extend service life.
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Energy‑efficient insulation: Non‑CFC polyurethane foam reduces heat loss, improving efficiency and lowering standby energy use.
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Easy control & safe operation: Adjustable thermostat lets you dial in just the right temperature, while a factory‑installed temperature and pressure relief valve and tamper‑proof drain valve support safe daily use.
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Installation flexibility: Optional side or top water connections give installers more routing options in tight spaces.
Q&A
Q: What is this water heater best used for?
A: Designed for point-of-use applications, ideal for sinks, small bathrooms, or single appliances needing immediate hot water.
Q: What is the tank capacity?
A: 6 gallons, providing quick access to hot water without waiting for a main water heater to deliver.
Q: How powerful is the heating element?
A: Features a 1,500-watt electric element for fast heating and consistent hot water output.
Q: Is it energy efficient?
A: Yes. The compact design reduces standby heat loss and provides efficient hot water where it’s needed most.
Q: What are the dimensions of this unit?
A: Small and compact, it easily fits under sinks or in tight spaces, measuring approximately 14 inches tall and 14 inches wide.
Q: Does it include safety features?
A: Yes. Includes a temperature and pressure relief valve for safe operation.
Q: What are the installation requirements?
A: Requires 120-volt power and indoor installation near the point of use.
Maintenance Tips
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Flush the tank every 6–12 months to remove sediment and maintain heating efficiency.
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Check heating element and thermostat regularly to ensure consistent hot water.
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Inspect for leaks and keep area dry to prevent damage and ensure safe operation.
Damage 
Loss 
Theft 
