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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
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Description
Performance Plus 40 Gal. Tall 9 Year 40,000 BTU Natural Gas Tank Water HeaterThe Rheem Performance Plus 40 Gal. Natural Gas Tall Water Heater comes with a 40,000 BTU hour environmentally friendly low NOx burner that provides ample hot water for households with 2 to 4 people. The push button ignition system ensures safe and easy startup. Its maintenance free combustion air intake system means there are no filters to clean and replace. A premium grade anode rod provides long lasting tank protection. Factory installed temperature
The Rheem Performance Plus 40 Gal. Natural Gas Tall Water Heater comes with a 40,000 BTU/hour environmentally friendly low NOx burner that provides ample hot water for households with 2 to 4 people. The push button ignition system ensures safe and easy startup. Its maintenance free combustion air intake system means there are no filters to clean and replace. A premium grade anode rod provides long-lasting tank protection. Factory installed temperature and pressure relief valve and 3/4 in. water connections are included with the water heater for easy installation.- California residents
- California & Utah Residents (Utah Effective 7/1/18): THIS WATER HEATER DOES NOT MEET ULTRA LOW NOX (ULN) EMISSIONS REQUIREMENTS. REGULATIONS PROHIBIT THE SALE, SHIPMENT OR INSTALLATION OF THIS WATER HEATER IN ANY AIR QUALITY DISTRICT THAT REQUIRES ULN WATER HEATERS. Please refer to the maps below to confirm if your home is in a district that requires ULN emission water heaters, and if so please select an approved ULN model.
- Natural gas water heater costs less to operate than electric models
- Delivers 81 Gallons of hot water in the first hour
- 9-year limited warranty on tank and parts for your convenience
- 2-year in home labor warranty for peace of mind
- 0.65 uniform energy factor indicates an energy efficient water heater
- Maintenance free - no filter to clean or replace
- Energy Star
- Designed for easy replacement of your existing water heater
- Rated for installations up to 10,200 ft.
- Want it installed? Call 1-855-400-2552 before noon for same-day service in most areas, or
- Meets 2015 NAECA Standards
Features
| Item Weight | 135 |
| Recovery Rate at 90F Rise (gallons/hour) | 40.4 |
| Maximum Temperature (F) | 160 |
| Efficiency Level | High |
| Gas Type | Natural Gas |
| Returnable | 90-Day |
| Tank Lining Material | Glass |
| Household Size | 2-4 |
| Uniform Energy Factor | 0.65 |
| Water Heater Features | LoNox,Overheat Protection,Pilot Light Window,Pilot Reset Button,Self Cleaning,Temperature Pressure Relief Valve |
| Nominal Tank Capacity (gallons) | 40 |
| Tank Warranty | 9 Year |
| BTU Rating | 40,000 |
| Minimum Temperature (F) | 40 |
| Wattage (watts) | 0 |
| Rated Tank Capacity (gallons) | 38 |
| Water Heater Profile | Tall |
| Finish Family | Gray |
| Indoor/Outdoor | Indoor |
| Fuel Type | Gas |
| Application Type | Residential |
| Commercial/Residential | Residential |
| Pack Size | 1 |
| Vent Type | Atmospheric |
| Product Weight (lb.) | 135 |
| Product Depth (in.) | 19.50 |
| Product Height (in.) | 60.25 |
| Water Connection Size (in.) | .75 |
| Tank Valve Size (in.) | .75 |
| Product Width (in.) | 19.50 |
| Labor Warranty | 2 Year |
| Part Warranty | 9 Year |
| Certifications and Listings | CSA Certified,FVIR Certified |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 1
Flimsy Nozzle
Size: 2 fl oz
The nozzle is so flimsy at the moment I pressed on it it popped off the can into the gas tank. I didn’t press it softly but I also didn’t press it very hard either, getting it out was a huge pain in the butt.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
The Ultimate Multi-Use Motor Treatment – A Must-Have for Any Vehicle!
Color: Pack of 4
The Sea Foam SF-16 Motor Treatment is an outstanding product that truly delivers on its promises. After using it in multiple applications for my vehicles, I’m convinced this is a must-have for anyone looking to maintain and enhance engine performance. The 4-pack is an excellent value and ensures I always have some on hand for routine maintenance.
Why Sea Foam Stands Out
Multi-Use Versatility: This product is a game-changer! I’ve used it as a fuel additive, an oil treatment, and even to clean out stubborn deposits in my carburetor. It works flawlessly across applications, making it an all-in-one solution for keeping engines running smoothly.
Improved Performance: After adding Sea Foam to my fuel tank, I noticed a significant improvement in my vehicle’s fuel efficiency and a smoother idle. It’s particularly effective at removing deposits and buildup that can reduce performance over time.
Easy to Use: The instructions are straightforward, whether you’re using it for fuel, oil, or cleaning purposes. The precise measuring cap ensures no mess or guesswork, making it simple to get the correct dosage every time.
Great for Long-Term Maintenance: Regular use of Sea Foam has made a noticeable difference in prolonging the life of my engine. I’ve also used it to revive an older lawnmower engine, which now runs like new! This product pays for itself by preventing costly repairs.
Packaging and Value
The 4-pack is perfect for multi-vehicle households or anyone maintaining more than just a car. I’ve used it in my truck, car, and small engines like my generator and lawn equipment, and I still have plenty left.
Pro Tips
Add Sea Foam to your fuel before a long drive to maximize its cleaning effect.
Use it regularly in oil changes to keep sludge buildup at bay.
It’s also great for seasonal storage—just add it to your gas tank to stabilize fuel and protect the engine.
Final Thoughts
Sea Foam SF-16 is the real deal for anyone who values vehicle performance and longevity. Its multi-use functionality, ease of application, and proven results make it a standout product. I’ve already seen noticeable improvements in my vehicles and equipment, and I’ll continue to use it as a staple in my maintenance routine. Highly recommend it to anyone who takes pride in keeping their engines in top shape!
Pro Tip: Whether you’re a DIY mechanic or just looking for a reliable maintenance product, Sea Foam is a must-have. It’s one of the simplest and most effective ways to protect your investment and extend the life of your engine. Don’t hesitate—this 4-pack is worth every penny!
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Reviewed in the United States on January 12, 2025
★★★★★ 5
Engines run smoothly and efficiently
Color: Pack of 2
I’ve been using Sea Foam SF-16 in both my outboard motor and sailboat, and it has proven to be an invaluable product for maintaining engine performance. This motor treatment is incredibly versatile and effective, making it a staple in my marine maintenance routine.
One of the standout benefits of Sea Foam SF-16 is its ability to clean and lubricate the entire fuel system. It effectively removes harmful deposits and residues that can build up over time, ensuring that my engines run smoothly and efficiently. This is particularly important for marine engines, which can be prone to issues due to the harsh operating environment.
I also appreciate how Sea Foam stabilizes fuel. This is crucial for my sailboat, which sometimes sits unused for extended periods. By adding Sea Foam to the fuel tank, I can be confident that the fuel remains fresh and free from moisture, preventing potential engine problems when I’m ready to hit the water again.
Another great feature is its ease of use. Simply adding the recommended amount to the fuel tank is all it takes to start seeing the benefits. I’ve noticed a significant improvement in engine performance, with smoother idling and better throttle response. It also helps reduce emissions, which is a nice bonus for the environment.
Overall, Sea Foam SF-16 is a fantastic product that I highly recommend to anyone with an outboard motor or sailboat. It keeps engines clean, running smoothly, and protected from the elements, making it a must-have for any boat owner.
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Reviewed in the United States on September 24, 2024
★★★★★ 5
WOW-Smoother Performance-Idle Better-Easy To Use-LOVE This Stuff
Color: Pack of 2
GREAT product! I own a "mature" car with lower milage. However the low idle was off and slow, additionally learned that a Gas station provider (occasionally use) had been found to have water in their gas. After reading the reviews and learning many auto mechanics swear by Sea Foam, decided to give it a try. As a woman have experienced hype, un-necessary work etc through the years. I used a funnel to add Sea Foam to my gas tank. Wow! even on shorter trip, noticed a smoother performance. With longer driving seems to have helped the idle and running even smoother! Believe that with more use will see even better performance and hopefully better milage! Do Not Hesitate, you and your vehicle are worth it! Thank you!
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Reviewed in the United States on December 19, 2025
★★★★★ 5
Good stuff for small engines
Color: 3 Pack
I use this for my lawn equipment and outdoor tools. Keeps them running great.
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Reviewed in the United States on May 12, 2026