Running out of hot water mid-shower is frustrating. So is getting unexpected utility bills. I’ve dealt with old water heating systems that cost both comfort and money. The ENT 55 100 water heater model aims to solve these problems, providing a modern solution for your home’s water heating needs.
This review will look closely at the ENT 55 100’s specs. We’ll see why it’s a top pick for homes wanting reliable and energy-saving hot water. Its high energy efficiency and strong design make it a great choice for your home.
Key Takeaways
- High-performance electric water heater with 55-gallon capacity
- Advanced energy efficiency with UEF rating of 0.94
- Commercial-grade heating elements for reliable performance
- Patented corrosion protection technology
- Comprehensive warranty coverage
Overview of the ENT 55 100 Water Heater Model

The ENT 55 100 water heater is a top choice for home heating. It’s made for homes and offers great performance and efficiency. It’s perfect for those who need reliable hot water.
Key Features
This Energy Star certified water heater has many cool features. It stands out from older models in several ways:
- Dual 4,500-watt heating elements for quick water heating
- Lower Incoloy™ stainless steel element for longer life
- CoreGard™ stainless steel anode rod for better corrosion protection
- Commercial-grade brass drain valve for easy upkeep
Benefits of Using the ENT 55 100
Using this water heater comes with many benefits:
Benefit | Description |
---|---|
High Efficiency | UEF rating of 0.94 means less energy waste |
Versatility | HUD compliant for mobile homes |
Capacity | 72-gallon first-hour rating good for a family of 4 |
Certification | CSA certified for quality and safety |
“Investing in an efficient water heater is not just about comfort, but also about long-term energy savings and environmental responsibility.”
The ENT 55 100 water heater is built to last. It offers great performance, efficiency, and reliability for today’s homes.
Detailed Specifications of the Model
Knowing the water heater specifications is key to a smart buy. The ENT 55 100 water heater has top-notch features. It combines the latest tech with a user-friendly design. Let’s dive into what makes this water heater stand out.
Size and Dimensions
The ENT 55 100 water heater is made to fit in different spaces. Its design is both compact and strong. It’s perfect for homes.
- Height: 56 1/2 inches
- Diameter: 24 inches
- Width: 24 inches
- Depth: 24 inches
Energy Efficiency Ratings
Energy efficiency is a big deal for today’s homeowners. The ENT 55 100 shines with its high ratings:
Efficiency Parameter | Specification |
---|---|
Uniform Energy Factor (UEF) | 0.94 |
Recommended Family Size | 4 persons |
Nominal Capacity | 55 gallons |
Material Quality
Many tankless water heaters skimp on materials. But the ENT 55 100 is built to last with premium materials:
- Maximum Wattage: 5500W
- Voltage: 240V
- Water Connection Size: 3/4 inch
“Quality materials translate directly into long-term performance and reliability” – Engineering Insights
The maker backs up the product with a strong warranty. This shows they’re confident in its durability:
- Limited Tank Warranty: 9 years
- Limited Parts Warranty: 9 years
The ENT 55 100 meets top standards for performance, efficiency, and reliability. It’s a great choice for homeowners who want the best.
Installation Guidelines for the ENT 55 100

Installing a water heater needs careful planning and detail. The ENT 55 100 model’s installation guide is precise for safety and performance. Knowing the cost of replacing a water heater starts with correct installation.
Required Tools and Materials
Before you start, make sure you have these tools:
- Adjustable wrench
- Pipe wrench
- Pipe thread sealant
- Teflon tape
- Safety glasses
- Protective gloves
Step-by-Step Installation Process
Here are the key steps for safe installation:
- Check local building codes and get the needed permits
- Choose a spot with good ventilation
- Make sure the area is level and not flammable
- Connect water lines with the right fittings
- Put in the temperature and pressure relief valve
“Improper installation can lead to serious safety risks and possible property damage.”
Critical Installation Considerations
The ENT 55 100 needs specific settings for best performance:
Installation Parameter | Specification |
---|---|
Minimum Clearance | 24 inches around unit |
Ventilation Requirements | Unobstructed air flow |
Floor Protection | Metal or wood panel underneath |
Combustion Air | Sufficient for safe operation |
Professional installation is recommended to follow manufacturer guidelines and local laws. While DIY might save money, pros can avoid costly mistakes.
Performance Analysis
The ENT 55 100 water heater stands out in the residential market. It has amazing features that meet today’s household needs.
Heating Capacity Insights
The ENT 55 100’s heating capacity is impressive. It has several key features:
- Nominal Capacity: 55 gallons
- Uniform Energy Factor (UEF): 0.94
- Maximum Wattage: 5,500 watts
- First-Hour Rating: 72 gallons
Recovery Rate Analysis
The water heater’s recovery rate is strong. It ensures hot water is always ready. Key metrics include:
Performance Metric | Specification |
---|---|
Voltage | 240V |
Water Connection Size | 3/4″ |
Maximum GPM Rating | Steady-state operation with 67°F temperature rise |
“The ENT 55 100 delivers exceptional hot water performance for an average family of four, with rapid recovery and high energy efficiency.” – Home Appliance Research Team
The dual 4,500-watt heating elements make hot water delivery efficient. Energy efficiency meets powerful performance in this model. It’s a great choice for reliable hot water.
Energy Consumption and Savings

Understanding water heater energy efficiency is key for homeowners wanting to cut utility costs and help the environment. The ENT 55 100 water heater is a top pick for those looking to save energy.
- High Uniform Energy Factor (UEF) rating of 0.93
- ENERGY STAR certified water heater design
- Potential annual energy savings up to $315
Annual Energy Cost Estimates
Homeowners will see big savings with this energy-efficient water heater. Its advanced tech means less electricity use than older models.
Energy Metric | Annual Performance |
---|---|
Potential Energy Savings | 2,544 kWh |
Estimated Cost Reduction | $315 per year |
UEF Rating | 0.93 |
Comparison with Other Models
The ENT 55 100 beats many other models in water heater energy efficiency. Its ENERGY STAR certification means it meets high energy standards.
“Choosing an eco-friendly water heater isn’t just about saving money—it’s about reducing environmental impact.” – Energy Conservation Expert
Most certified heat pump water heaters meet today’s standards, making the ENT 55 100 a great choice for eco-friendly buyers.
Maintenance Tips for Longevity
Keeping your ENT 55 100 water heater in good shape can make it last longer. Regular care keeps it working well and avoids sudden failures. With the right maintenance, you can enjoy hot water without worries.
Recommended Maintenance Schedule
Sticking to a maintenance plan is key for your water heater’s life. Here are some important tips:
- Check the unit yearly for wear or corrosion signs
- Flush the tank every six months to clear sediment
- Make sure the pressure relief valve works every year
- Test water temperature and pressure every three months
Essential Troubleshooting Strategies
Fixing water heater problems needs a careful plan. Know the common issues that might pop up:
- Unusual noises: Could mean sediment buildup
- Inconsistent water temperature: Might be a thermostat problem
- Leaks around the base: Tank might be deteriorating
“Regular maintenance is cheaper than complete water heater replacement.” – Professional HVAC Technician
If you’re not sure about fixing your water heater, get a pro’s help. Most makers say get a pro to check it every two to three years. This keeps it running right and safe.
User Reviews and Testimonials

Real-world experiences with the water heater model ENT 55 100 offer valuable insights. Customer feedback highlights key points about its specifications and performance.
Positive User Experiences
Homeowners praise several features of the water heater model ENT 55 100:
- Exceptional durability with Blue Diamond® glass tank lining
- Reliable performance in diverse residential settings
- Energy-efficient operation reducing monthly utility costs
“This water heater transformed my home’s hot water experience. Consistently warm water and noticeably lower energy bills!” – Michael R., California
Common Criticisms
While most feedback is positive, some users suggest areas for improvement:
- Initial installation complexity
- Higher upfront investment compared to standard models
- Occasional maintenance requirements
The water heater’s specifications show a strong design that addresses many concerns. Buyers should consider their specific needs when deciding.
Safety Features of the ENT 55 100
Water heater safety is key for homeowners looking for reliable and safe home appliances. The ENT 55 100 model shines with its wide range of safety features. These are designed to keep users and their property safe during installation and use.
Built-in Safety Mechanisms
The ENT 55 100 has many safety features to ensure it works well and keeps users safe. These include:
- CSA Certified Temperature and Pressure (T&P) Relief Valve
- Automatic shut-off to prevent overheating
- Corrosion-resistant tank lining
- Low NOx emissions for the environment
Compliance with Safety Standards
The installation guide for the ENT 55 100 stresses following safety rules closely. The manufacturer’s detailed specs show it meets important safety standards.
Safety Certification | Compliance Details |
---|---|
HUD Approval | Approved for mobile homes and manufactured housing |
ASME Rating | Meets strict manufacturing safety requirements |
Environmental Standards | Low NOx emissions, reducing environmental impact |
Safety isn’t an option—it’s a fundamental requirement for any home appliance.
Homeowners can rely on the ENT 55 100’s strong safety design. It offers peace of mind with its advanced protective features and strict adherence to industry standards.
Warranty and Customer Support

Buying a water heater means knowing about its warranty and support. The ENT 55 100 water heater has great protection and service. This ensures homeowners have peace of mind.
Warranty Coverage Details
The ENT 55 100 water heater has a strong warranty. It covers your investment well. Here are the main points:
- 9-year limited residential warranty for the tank
- Comprehensive coverage for manufacturing defects
- Protection against system failures
“A strong warranty shows a manufacturer’s trust in their product’s quality and durability.”
Contacting Customer Support
Customers have many ways to get help with their water heater. The manufacturer offers great support through:
- Online support portal
- Dedicated customer service phone line
- Email support for technical questions
- Comprehensive troubleshooting resources
Homeowners can find detailed maintenance guides and technical help. This helps keep their ENT 55 100 water heater running well for a long time.
Comparison with Competing Models
Choosing the right water heater is all about the specifications. The ENT 55 100 shines in the water heating market. It offers benefits that other models can’t match.
The ENT 55 100 leads in water heater energy efficiency. Our deep dive shows why it stands out from the competition.
ENT 55 100 vs. Model X
Here are the main differences:
- Energy Efficiency: The ENT 55 100 has a top-notch 0.93 UEF rating
- First-Hour Rating: It offers a strong 72-gallon first-hour rating
- Warranty Coverage: It comes with a solid 6-year warranty
“Efficiency isn’t just about energy savings—it’s about delivering consistent, reliable hot water,” says our lead engineer.
ENT 55 100 vs. Model Y
Looking at tankless water heater options, the ENT 55 100 shines:
- Capacity: It has a 55-gallon tank, great for medium to large homes
- Performance: It beats other models in recovery rate
- Technology: It uses advanced heat trap nipples for better efficiency
Our study shows the ENT 55 100 is the top pick for those wanting efficient water heating.
Ideal Applications for the Water Heater
The water heater model ENT 55 100 is great for both homes and businesses. It’s made to be efficient and eco-friendly. It meets many heating needs while keeping performance high.
Residential Applications
Homeowners looking for reliable hot water will love the ENT 55 100. It’s perfect for:
- Standard single-family homes with 4-person households
- Mobile homes and manufactured housing units
- Apartments with moderate hot water demands
- Homes needing energy-efficient water heating
Commercial Use Considerations
The ENT 55 100 is also great for businesses:
- Small office buildings
- Retail establishments
- Light industrial facilities
- Hospitality environments
It has a Uniform Energy Factor (UEF) of 0.93 and first-hour delivery of 72 gallons. This makes it efficient for many needs.
Application Type | Key Features | Suitability Rating |
---|---|---|
Residential | 4-person household capacity | Excellent |
Mobile Homes | HUD Compliant | High |
Small Commercial | 72-gallon first-hour delivery | Very Good |
“Versatility meets efficiency in the ENT 55 100 water heater, providing robust solutions across residential and light commercial domains.”
FAQs About the ENT 55 100
Understanding your water heater installation and troubleshooting can be tough. This guide answers common questions about the ENT 55 100 model. It helps you grasp its special features and upkeep needs.
Common Installation and Maintenance Queries
Installing a water heater needs careful thought. Homeowners often wonder about setup, performance, and upkeep.
- What tools are needed for water heater installation?
- How do I ensure proper water heater troubleshooting?
- What maintenance steps can extend my water heater’s lifespan?
Understanding Water Heater Safety and Performance
Safety is key when working with water heaters. Our tips aim to avoid risks and boost efficiency.
Temperature Range | Burn Risk |
---|---|
120°F | More than 5 minutes |
135°F | About 10 seconds |
150°F | About 1½ seconds |
Pro tip: Always install thermostatic mixing valves to reduce scalding risks during water heater installation.
Troubleshooting Common Water Heater Issues
Good troubleshooting means knowing common problems and fixes. Watch for electrical issues, temperature settings, and leaks.
- Check electrical connections regularly
- Inspect for signs of water damage
- Verify temperature and pressure relief valve functionality
Remember: Proper maintenance can significantly extend your water heater’s operational life and prevent costly repairs.
Conclusion and Final Thoughts
Our detailed review of the water heater model ENT 55 100 shows its strengths. It’s great for homes needing reliable hot water. Its energy efficiency is a big plus for those looking to save.
- It’s very energy efficient with new tech features
- It has a 55-gallon tank, good for big families
- Its design is innovative and lasts long
Key Performance Highlights
The ENT 55 100 water heater has standout features. Its Blue Diamond® glass lining and DynaClean™ system make it durable. They also ensure hot water is always ready.
Recommendation
We highly recommend the ENT 55 100 for those who want energy savings and reliable hot water. It comes with a six-year warranty and the latest tech. It’s a smart choice for any home.
“An intelligent choice for those seeking a high-performance, energy-efficient water heating solution.”
Performance Metric | Rating |
---|---|
Energy Efficiency (UEF) | 0.93 |
First-Hour Rating | 72 gallons |
Warranty | 6 years |
Homeowners can count on the ENT 55 100 for steady, efficient hot water. It’s reliable and performs well over time.
Where to Buy the ENT 55 100
Looking to buy the ENT 55 100 water heater? It’s important to shop smart to get the best deal. You can check out online stores like Ferguson and plumbing supply websites. They have all the details you need.
For a hands-on look, visit local appliance stores. Home Depot, Lowe’s, and plumbing stores often carry A.O. Smith water heaters. Make sure to compare prices and look for deals.
Online Retailers
Online stores like Amazon and Ferguson’s website have a wide range of ENT 55 100 models. They offer good prices and fast shipping. Always check the warranty and return policy before you buy.
Local Appliance Stores
Local stores like MoreVent in the Delaware Valley are great for advice and sales. They can help you choose the right water heater and offer installation help. They make sure you get the right model for your needs.