8-Year Tank & Parts Warranty
Commercial-Grade Durability
Traditional 50-Gallon ProLine® Water Heater Replacement
Our expertly chosen 50-gallon tank heater is a reliable, commercial-grade unit built for powerful performance and long-lasting value. It's the perfect, economical choice for any family home.
34.7 minutes Single shower length
Up to 4 showers Back-to-back
3 showers At the same time
What’s Included
Learn more- Delivery & Professional Installation
- Old Unit Removal & Eco-Disposal
- 24-Hour Installation Guarantee
- Workmanship Satisfaction Guarantee
$1,399 All-Inclusive Price
Guaranteed Installation Within 24 Hours
After you order, our team will contact you to schedule your 2-hour arrival window.
8-Year Tank & Parts Warranty
Commercial-Grade Durability
15-Year Dual Heat Exchanger Warranty
ENERGY STAR® Certified
Ultra High Efficiency – 0.96 UEF
Navien High-Efficiency Tankless Heater Upgrade
Experience the ultimate upgrade for your home. Our expertly selected Navien tankless heater provides endless hot water, significant energy savings, and a compact, space-saving design. It's the #1 selling brand for a reason.
Unlimited Single shower length
Unlimited showers Back-to-back
Up to 3 showers At the same time
What’s Included
Learn more- Delivery & Professional Installation
- Old Unit Removal & Eco-Disposal
- 24-Hour Installation Guarantee
- Workmanship Satisfaction Guarantee
$2,899 All-Inclusive Price
Guaranteed Installation Within 24 Hours
After you order, our team will contact you to schedule your 2-hour arrival window.
15-Year Dual Heat Exchanger Warranty
ENERGY STAR® Certified
Ultra High Efficiency – 0.96 UEF
Product Details
At Tanks & Toilets, we do the research so you don't have to. We've expertly selected the A.O. Smith ProLine® 50-gallon gas water heater, the industry standard for households of 3 to 5 people. Thanks to its high-output burner and an impressive 84-gallon First Hour Rating, it confidently serves a 5-person family, easily handling peak demand like morning showers and running appliances. This isn't just a standard residential unit; it's built to commercial-grade standards with advanced Tank Guard® protection to fight corrosion, while smart electronic controls provide precise temperature management and safe operation, offering you complete peace of mind.
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Delivers 84 gallons in the first hour — ideal for 5+ person households
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40,000 BTU low-NOx burner cuts emissions and operating costs
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Built-in Tank Guard® and DynaClean™ systems extend tank life
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Push-button piezo ignitor makes lighting pilot fast & easy
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IFactory-installed T&P relief valve and safety ignition system
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8-year limited tank and parts warranty + 1-year labor coverage
- Brand: A.O. Smith
- Model: HUR-50 450
- Color: Grey
- Material: Metal
Green Choice®
Patented eco-friendly Gas Burner design reduces NOx emissions by up to 33%
Blue Diamond®
Patented glass tank lining protects against corrosion
DynaClean™
Automatic cleaning system protects against sediment build-up
CoreGard™
Stainless steel anode rod protects against corrosion longer than ordinary anodes
Performance
34.7 minutes
Single shower length
Up to 4 showers
Back-to-back
3 showers
At the same time
81 gallons
Max tub fill size
$237 / year
Estimated energy cost
Features
Efficient & Eco-Friendly
A low-NOx burner reduces emissions while lowering your monthly energy bills.
Fast Hot Water Recovery
Its powerful burner quickly reheats the tank so you're ready for the next shower.
Complete Install Package
Includes new pan, gas line, water lines, and thermal expansion tank.
Built for Long-Term Durability
Blue Diamond® lining protects the tank from corrosion and wear.
Dimensions & Weight
Technical Specifications
Inside the ProLine® Design
1
Commercial-Grade Glass Tank Lining A. O. Smith’s Blue Diamond® glass coating is a patented commercial-grade formula that provides superior tank protection and corrosion resistance compared to the industry standard glass lining.
2
Enhanced-Flow Brass Drain Valve ProLine® residential water heaters have a solid brass, tamper-resistant, enhanced-flow, ball-type drain valve. Designed for easy operation, it features a standard female hose fitting and a 1/4 turn open/close radius.
3
Heat Trap Nipples Help mitigate standby heat loss by reducing the amount of heat lost through the connected pipes. Factory-installed for faster installation.
4
CoreGard™ Anode Rod CoreGard Anode Rods feature a stainless steel center core that is unique to A. O. Smith. It allows the anode to be secured in place, extending the life of the tank. ProLine® Master products have increased anode protection with either longer, larger or higher current anode rods, depending on the model.
5
Commercial-Grade Electric Elements* *ProLine® Master electric products are outfitted with stainless steel upper and lower elements that are modeled after those used in our industry-leading commercial line. These elements are built to last with thicker walls and a larger diameter sheath than the elements in many competitive products.
6
Commercial-Grade Pex Dip Tubes A. O. Smith’s PEX cross-linked polymer dip tubes are long-lasting with superior resistance to destructive thermal deterioration and can withstand temperature excursions up to 400 degrees.
7
DynaClean™ automatic sediment cleaning system Automatic self-cleaning action greatly reduces sediment accumulation and maximizes hot water output.
8
Commercial-Grade Thermostats Automatic self-cleaning action greatly reduces sediment accumulation and maximizes hot water output.
Warranty Information
White-Glove Delivery
Your new water heater is delivered fast and handled with care. Our team coordinates delivery and scheduling so your replacement arrives exactly when you need it—stress-free.
Professional Installation
Our vetted plumbing expert installs your new tank to the highest standards, using top-quality parts. We test everything to ensure it works flawlessly before we leave.
Old Tank Haul-Away
Our service isn't complete until the old unit is gone. We safely disconnect, drain, and remove your old water heater for responsible, eco-friendly disposal.
Installed in 24 Hours — Guaranteed
If we miss our 24-hour installation promise, we’ll refund your payment and give you $500 for the inconvenience.
Product Details
At Tanks & Toilets, we do the research so you don't have to. We've expertly selected the Navien NPE-S2 because it is the #1 selling tankless brand, offering the ultimate upgrade in performance and value. Enjoy a continuous, endless supply of hot water with a powerful 10.1 GPM flow rate that easily supports multiple showers at once. Its ultra-high 0.96 UEF efficiency rating dramatically lowers your energy bills, thanks to advanced condensing technology and durable dual stainless steel heat exchangers. All this power comes in a compact, space-saving design that frees up valuable floor space, making it the smartest long-term investment for your home
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Endless Hot Water Supply: Provides a continuous flow of hot water on demand.
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Versatile Installation: Can be installed indoors or outdoors (with outdoor vent cap accessory).
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Durable Construction: Features dual stainless steel heat exchangers for a long service life.
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High-Output Performance: A 10.1 GPM flow rate easily supports multiple simultaneous uses.
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Compact, Space-Saving Design: Wall-mounted unit frees up an entire closet's worth of floor space.
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Comprehensive Warranty: Includes a 15-year heat exchanger, 5-year parts, and 1-year labor warranty.
- Brand: Navien
- Model: NPE-210S2
- Color: White
- Material: Metal
Performance
Unlimited
Single shower length
Unlimited showers
Back-to-back
Up to 3 showers
At the same time
Unlimited
Max tub fill size
$193 / year
Estimated energy cost
Features
Ultra-Efficient Performance
Condensing tech recycles heat for maximum energy savings
Endless Hot Water
Enjoy an endless supply for multiple showers and appliances at once.
Built for a 20+ Year Lifespan
Dual stainless steel heat exchangers resist corrosion and are built to last.
Compact, Space-Saving Design
Mounts neatly on a wall—frees up floors for storage or access
Dimensions & Weight
Technical Specifications
Inside the Navien Design
1
PVC Venting Allows for versatile installation using standard PVC pipes for runs up to 75 feet. A Vent Detector ensures safety.
2
Dual Venturi System Provides precise air/fuel control for better efficiency and easy field conversion between NG & LP gas.
3
Dual Stainless Steel Heat Exchangers Maximize efficiency and resist corrosion for a longer lifespan, even with hard water.
EZNav™ Control Panel Backlit display with simple text makes setup, status checks, and troubleshooting easier than ever before.
4
Integrated Buffer Tank Part of ComfortFlow®, this small tank eliminates the unpleasant "cold water sandwich" for consistent comfort.
5
ComfortFlow® Recirculation Built-in pump & buffer tank deliver hot water faster and eliminate cold bursts for ultimate convenience.
6
Field Convertible Gas System Easily converts between Natural Gas and Propane using the included kit for maximum installation flexibility.
7
½" Gas Line Capable Saves time and money on installation by using existing ½" gas lines up to 24 feet in many retrofit situations.
8
Wall-Mount Design Compact unit saves valuable floor space. Installs indoors or outdoors & allows easy access for future service.
Warranty Information
White-Glove Delivery
Your new tankless water heater is delivered fast and handled with care. Our team coordinates delivery and scheduling so your replacement arrives exactly when you need it—stress-free.
Professional Installation
Our vetted plumbing expert installs your new tankless water heater to the highest standards, using top-quality parts. We test everything to ensure it works flawlessly before we leave.
Old Tank Haul-Away
Our service isn't complete until the old unit is gone. We safely disconnect, drain, and remove your old water heater for responsible, eco-friendly disposal.
Installed in 24 Hours — Guaranteed
If we miss our 24-hour installation promise, we’ll refund your payment and give you $500 for the inconvenience.
Tank vs. Tankless: At a Glance
Use our simple chart to compare the key differences and find the best fit for your home.
| Hot Water Supply | Finite (Limited by the 50-gallon tank capacity) | Endless & On-Demand |
| Simultaneous Use | Up to 3 showers | Up to 3 or more (depends on flow) |
| Single Shower Length | ~34.7 minutes | Unlimited |
| Back-to-Back Showers | Up to 4 showers | Unlimited |
| Max Tub Fill Size | ~81 gal (gas) / ~69 gal (electric) | Unlimited |
| Space Required | Large (Requires 9-12 sq. ft. of floor space) | Minimal (Compact, wall-mounted unit) |
| Energy Efficiency | Standard (Some energy is lost keeping stored water hot) | Ultra-High (Heats water only when needed) |
| Est. Energy Cost | Low (~$237 / year gas / ~$432 / year elec.) | Lowest (~$193 / year) |
| Compatibility | Available in both gas and electric | Requires gas line (natural or propane) |
| Lifespan | 8-12 Years | 20+ Years |
| Warranty | 8-year limited warranty | 15-year limited warranty |
| Bottom Line... |
Reliable
Familiar design
Lower cost to replace
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Endless hot water
Maximum performance
Advanced efficiency
Longer life
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* As based on the average operating costs, efficiency and lifespans of tankless vs. storage water heaters per the Department of Energy (energy.gov).
Replace or Repair? See the Difference
Compare the long-term value, efficiency, and peace of mind of replacement vs. repair.
|
Replacement
|
Repair
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|---|---|---|
| Long-Term Cost | One-time investment | Frequent repairs add up |
| Efficiency | New unit = peak efficiency | Older units waste energy |
| Reliability | Consistent performance | Unpredictable failures |
| Warranty | Manufacturer warranty | No warranty |
| Convenience | Installed in 24 hours | Delays and repeat visits |
Don't Just Take Our Word For It
We're proud to offer a simpler, faster way to replace toilets and water heaters in Arizona & Oklahoma. Here's the feedback.
Fast
My water heater failed, and I needed it fixed now. I ordered at 10 PM on a Tuesday, and Marco was at my house Wednesday afternoon. Tanks and Toilets saved the day for us!
Russell F. Verified Buyer
Sep 17, 2025Thanks
Great service, fast replacement of my water tank. Highly recommend. Marco was awesome and explained everything as he completed the work. Completely happy with the decision to use this company. Thank you so much
Tanner W. Verified Buyer
Sep 19, 2025Great
I'll admit, I was skeptical about buying a tankless water heater online but I took a chance, and it paid off. Roberto, our installer, was a true pro. The process was seamless! 10/10 would recommend!
Megan M. Verified Buyer
Sep 22, 2025Very Pleased
Fast. Clean. Professional. Thomas showed up on time, replaced our old water heater, and hauled the old it away. Exactly what was promised. 10/10.
Mona F. Verified Buyer
Sep 30, 2025I Have Hot Water
Woke up to no hot water. I was dreading having to call plumbers for bids. Found Tanks & Toilets online, ordered at 8 AM, and Roberto had our new tank installed by 3 PM the same day. Unbelievable service!
Brooke B. Verified Buyer
Oct 01, 2025Highly recommend
We woke up on a Sunday morning to a garage full of water from our old water heater. I searched online for a replacement and found tanks and toilets. I purchased it online with an all inclusive price. They were at my house just a few hours later on a Sunday. They did a great job. They also hauled away our old unit. We highly recommend them. Thanks
Chelsea T. Verified Buyer
Oct 24, 2025Good Deal
I called on 5 companies. 3 returned my call and came for an estimate. None of them followed up after the estimate. I found Tanks and Toilets and decided to purchase online instead because of the $500 on time guarantee. Install was timely and efficient and they cleaned up after themselves. I am very pleased with our hot water system.
Ryan H. Verified Buyer
Oct 30, 2025Very Clean and Professional
Thomas was our installer and he was just fantastic. He arrived in a clean uniform, put on shoe covers immediately, and was so respectful of our home. He protected our floors and left the area cleaner than he found it. That level of professionalism is rare.
Dallas T. Verified Buyer
Nov 01, 2025Highly recommend
Incredibly simple process. ..our old toilet broke, I ordered a new one on their website in about five minutes, and Marco had it installed the next morning. The 24 hour guarantee is for real, Highly recommend!
Kristen H. Verified Buyer
Nov 03, 2025How It Works in 3 Easy Steps
Our simple online process gets you a new toilet or water heater in 24 hours. See how!
Choose Your Product
We offer one expertly chosen toilet, tank, or tankless heater to make your decision simple.
Checkout with Upfront Pricing
Transparent, all-inclusive pricing—no quotes, no hidden fees, no surprises.
We Handle the Rest
Our plumbing professionals install within 24 hours and haul away the old unit.
Frequently Asked Questions
Is this 50-gallon tank the right size for my family?
Yes, for the vast majority of homes, it's the perfect choice. A 50-gallon gas water heater is the industry standard for households of 3 to 5 people. What makes our expertly chosen model exceptional is its high First Hour Rating (FHR) of 84 gallons. This means it can deliver a large volume of hot water quickly, easily handling peak demand times like multiple morning showers without running out. You can be confident this unit has the power and capacity to serve your family's daily needs.
How long does a standard tank water heater installation take?
A standard tank-for-tank replacement is a very efficient process for our experts. From arrival to completion, the entire installation typically takes between 2 to 4 hours. During this time, we handle everything: the removal of your old unit, the professional installation of your new one, and a thorough test to ensure it's working perfectly.
Why should I choose this tank heater instead of upgrading to tankless?
This high-performance tank water heater is the perfect choice for homeowners who prioritize proven reliability and a lower upfront cost. While a tankless heater is a fantastic long-term upgrade, our traditional tank is the ideal solution if you need a powerful, dependable, and budget-friendly replacement right now. You still get a commercial-grade unit with a great warranty and fast hot water recovery, offering outstanding, immediate value for your home.
What warranties are included with this tank water heater?
Your purchase is protected by two separate warranties for complete peace of mind. First, every installation is backed by our 1-Year Workmanship Guarantee, which covers all aspects of our installation service. Second, the A.O. Smith water heater itself is protected by an 8-Year Limited Manufacturer's Warranty , which covers the inner tank and component parts against defects.
Can this water heater work with my existing gas line or vent?
Yes, in most cases. Our all-inclusive service is designed as a direct, like-for-like replacement for your old tank water heater. This means the new A.O. Smith unit is intended to connect to your existing, standard gas line and venting setup. The photo you send us after placing your order is a crucial step that allows our experts to verify compatibility in advance. This ensures we arrive with the correct model and any minor components needed to bring your system up to current safety codes as part of our all-inclusive price.
What’s included in the $2,199 all-inclusive price?
Everything. Your price covers the new water heater, professional installation, all necessary parts, old-unit removal, and eco-friendly disposal. No hidden fees—just fast, turn-key service.
Your Problem, Solved Fast
Proudly serving the greater Phoenix/Scottsdale and Oklahoma City areas—your trusted source for fast, hassle-free toilet and water heater replacements.
