Cheap heaters disappoint—but A.O. Smith GPVX-50L delivers reliability.
When it comes to hot water solutions, choosing the right heater is vital for comfort and efficiency. The **A.O. Smith GPVX-50L** offers a robust 50-gallon capacity and exceptional heating speed, while the **Rinnai V75IN** excels in energy efficiency with its tankless design.
For those seeking versatility, the **Rinnai RX199iN** stands out with its ability to function as both a tankless and traditional heater, making it perfect for various setups.
Below, we analyze budget, lifespan, and real-user feedback.


A.O. Smith 50 Gallon Power Vent Water Heater
A.O. Smith GPVX-50L ProMax SL Power Vent Gas Water Heater: 50 gal, ABS plastic, 2-year warranty.
Benefits
- Blue Diamond glass coating provides superior corrosion resistance compared to standard glass lining.
- 3-position rotatable blower outlet adds installation flexibility.
- Combined horizontal and vertical vent runs up to 180 equivalent feet with 4-in diameter venting (ABS, PVC, CPVC, and polypropylene).
- State-of-the-art electronic gas control offers precise temperature control; LED control light displays operation status.
- Factory-installed T&P and durable, tamper-resistant brass drain valve ensure easy service accessibility.
Drawbacks
- No dishwasher-safe parts may be inconvenient for some users.
A practical pick for small spaces, the A.O. Smith GPVX-50L offers efficient performance and reliability. With its innovative features and robust construction, it stands out in the competitive market of power vented gas water heaters.
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Rinnai V75IN Tankless Water Heater
Rinnai V75IN Tankless Hot Water Heater: 7.5 GPM, Natural Gas, Indoor Installation, compact design, 10-year warranty on heat exchanger.
Benefits
- Endless hot water supply for multiple appliances simultaneously; serves up to 5 fixtures at once.
Drawbacks
- Professional installation required; not suitable for DIY enthusiasts.
The Rinnai V75IN Tankless Hot Water Heater is a powerful solution for homeowners seeking efficiency and reliability. With a flow rate of up to 7.5 GPM, it ensures a constant supply of hot water, making it ideal for larger households or simultaneous use across multiple appliances. Its compact design allows it to fit seamlessly into small spaces, which is a significant advantage for those with limited installation options.
One of the standout features is its energy efficiency; the heater only activates when hot water is needed, reducing energy consumption compared to traditional tank heaters. However, it’s important to note that installation should be handled by a professional, as improper setup can lead to performance issues.
Overall, the Rinnai V75IN is a practical pick for small spaces and busy households. Its combination of high performance and energy efficiency makes it a valuable investment for those looking to upgrade their hot water system.
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Rinnai RX199iN Tankless Water Heater
Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater: 12” long, ABS plastic, 2-year warranty.
Benefits
- Provides up to 11.1 GPM, supporting up to 7 fixtures simultaneously without running out of hot water.
Drawbacks
- No dishwasher-safe parts make maintenance a bit more cumbersome.
The Rinnai RX199iN is a compact tankless water heater that delivers impressive performance. Its ability to provide up to 11.1 gallons per minute means you can run multiple showers and appliances at once without any drop in temperature. This makes it an excellent choice for larger households or homes with high hot water demand.
Installation is recommended to be done by a professional, ensuring that you get the most out of its features, including the Smart Sense gas control system. The modern design and user-friendly interface add to the overall appeal, making it easy to monitor and adjust settings.
However, it’s worth noting that there are no dishwasher-safe parts, which could complicate routine cleaning. Despite this minor drawback, the Rinnai RX199iN stands out for its efficiency and performance.
A practical pick for small spaces, this tankless water heater is designed for both indoor and outdoor installation, making it versatile for various home setups.
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State Proline XE 50 Gallon Gas Water Heater
Proline XE Power Vent Series 50 Gallon Capacity: 50,000 BTU heating input, 96 gallons per hour first hour rating, 0.72 uniform energy factor rating, 56 gallons per hour recovery at 90°F rise, dimensions: 68-1/8″ H x 22″ D.
Benefits
- Efficient heating: Delivers 96 gallons in the first hour, ensuring ample hot water for households.
- High recovery rate: Recovers 56 gallons per hour at a 90°F rise, perfect for busy mornings.
- Space-saving design: Tall and slim profile fits well in tight spaces.
Drawbacks
- Requires venting: Installation may be complex due to power venting needs.
- Higher upfront cost: Initial investment is more than traditional models.
This heater is ideal for families or households with high hot water demand. A practical pick for small spaces, it provides reliable performance without compromising on efficiency. If you’re looking for a powerful and efficient gas water heater, the Proline XE Power Vent is a strong contender.
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Ranein Tankless Gas Water Heater 4.3 GPM
Ranein Natural Gas Tankless Water Heater: 12” long, ABS plastic, 2-year warranty.
Benefits
- Provides 4.3 GPM for continuous hot water supply.
- Four Seasons Function adjusts temperature based on seasonal changes.
- Kitchen Function defaults to 100°F, ideal for cooking.
- No waiting time for hot water, unlike traditional heaters.
- Oxygen-free copper tank reduces heat loss, saving energy.
- Includes exhaust pipe, eliminating extra costs.
Drawbacks
- No recommended for areas above 2,000 feet due to performance issues.
- Installation requires licensed professionals, which may increase costs.
This tankless water heater is a practical pick for small spaces and households requiring efficient hot water solutions. Its compact design and advanced features make it a great choice for kitchens and bathrooms alike. The ability to provide instant hot water without the wait is a significant advantage over traditional systems. However, potential buyers should consider the need for professional installation and the limitations regarding altitude. Overall, the Ranein Natural Gas Tankless Water Heater offers a reliable, energy-efficient option for those looking to upgrade their hot water system.
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Faq about best power vented gas hot water heaters:
1:What is a power vented gas hot water heater?
A power vented gas hot water heater uses a fan to push exhaust gases outside, allowing for flexible installation options.
2:What are the benefits of power vented gas hot water heaters?
They provide efficient venting, can be installed in various locations, and are ideal for homes without traditional chimney systems.
3:How do I choose the best power vented gas hot water heater?
Consider factors like capacity, energy efficiency, warranty, and brand reputation when selecting the best heater for your needs.
4:Are power vented gas hot water heaters energy efficient?
Yes, many models are designed for high energy efficiency, often with Energy Star ratings, reducing utility bills.
5:How long do power vented gas hot water heaters last?
Typically, they last 8 to 12 years, depending on maintenance and water quality.
6:Can I install a power vented gas hot water heater myself?
While DIY installation is possible, hiring a professional is recommended for safety and compliance with local codes.
7:What maintenance do power vented gas hot water heaters require?
Regular maintenance includes flushing the tank, checking the venting system, and inspecting the anode rod.
Conclusion
Both the A.O. Smith 50 Gallon Power Vent Water Heater and the Rinnai V75IN Tankless Water Heater exemplify excellence in the realm of energy-efficient water heating solutions. The A.O. Smith model stands out for its robust capacity and reliable performance, catering to households with significant hot water demands. Conversely, the Rinnai V75IN offers unparalleled convenience with its on-demand heating, ensuring continuous hot water supply while minimizing energy consumption.
Ultimately, the choice between these two exceptional products hinges on individual needs and preferences. Whether prioritizing storage capacity or seeking an innovative tankless option, both heaters deliver remarkable efficiency and reliability, making them exemplary choices for modern water heating requirements.




