4 Best Rheem Pilotless Gas Water Heaters

Running out of hot water during a shower can be frustrating, especially in larger households. Traditional storage tanks often struggle to keep up with demand, leaving you waiting for hours before you can enjoy a hot shower again. This is where Rheem’s pilotless gas water heaters come into play, offering reliable and efficient solutions that ensure you have continuous hot water on demand.

What sets Rheem apart in the water heater market is their commitment to energy efficiency and innovative technology. Rheem’s pilotless models eliminate the need for constant pilot light burning, which not only simplifies the system but also enhances energy savings. The tankless design provides hot water only when needed, making it an excellent investment for both your comfort and energy bills.

This guide will delve into the top four Rheem pilotless gas water heaters, highlighting their unique features, ideal use cases, and potential drawbacks. Whether you’re a homeowner looking to upgrade or a first-time buyer, this overview will help you make an informed decision.

Here’s a quick look at the specifications of our top picks:

Features	Rheem RTG 7.0 GPM	Rheem RTGH 8.4 GPM	Rheem RTG 8.4 GPM	Rheem RTG 9.5 GPM
Performance	7.0 GPM	8.4 GPM	8.4 GPM	9.5 GPM
BTU Output	160,000 BTU/hr	157,000 BTU/hr	180,000 BTU/hr	199,900 BTU/hr
Energy Factor	0.82 UEF	0.93 UEF	0.82 UEF	0.82 UEF
Installation	Indoor	Indoor	Outdoor	Indoor
Best Use Case	2-3 showers	3-4 showers	3-4 showers	3-4 showers

Rheem RTG Series 7.0 GPM…

The Rheem RTG Series 7.0 GPM is designed for residential use, providing endless hot water for homes with 2-3 bathrooms. This unit is ideal for families who need hot water for multiple simultaneous tasks, like showers and laundry, without the wait.

This model stands out for its high efficiency, producing a remarkable 160,000 BTUs. It allows for a 7.0 GPM flow rate at a 35°F temperature rise, ensuring you’ll have hot water when you need it most. The compact, wall-mounted design also saves valuable floor space, making it a practical choice for smaller homes.

However, one limitation is that it is a non-condensing unit, which means it may not be as energy-efficient as some of its condensing counterparts. This could lead to slightly higher gas bills over time compared to models with higher energy factors.

• 7.0 GPM flow rate
• 160,000 BTU/hour output
• 0.82 UEF
• Indoor installation
• Compact wall-mounted design

Best for: Families with moderate hot water needs.

Rheem RTGH Series 8.4 GPM…

The Rheem RTGH Series 8.4 GPM is another excellent choice for whole-house applications, particularly in larger homes with 3-4 bathrooms. This unit is perfect for families who enjoy long showers or have simultaneous demands for hot water.

This model excels with its condensing technology, boasting a 0.93 UEF, which means better energy efficiency and lower operational costs. The 8.4 GPM flow rate at a 35°F rise can accommodate multiple showers without missing a beat. Its advanced safety features, including built-in freeze protection, add to its reliability.

On the downside, professional installation is recommended, which can add to upfront costs. Additionally, while it does offer a high performance, some users might find the initial investment higher compared to non-condensing models.

• 8.4 GPM flow rate
• 157,000 BTU/hour output
• 0.93 UEF
• Indoor installation
• Condensing technology

Best for: Larger families needing efficient hot water.

Rheem RTG Series 8.4 GPM…

The Rheem RTG Series 8.4 GPM outdoor model is designed for homes that can accommodate outdoor installation, making it an excellent option for those with limited indoor space. This system provides continuous hot water for 3-4 simultaneous uses, perfect for multi-bathroom households.

This model’s standout feature is its high output of 180,000 BTUs, which allows for a robust 8.4 GPM flow rate. With a non-condensing design, it’s less complex to install outdoors, eliminating the need for venting, which can be a hassle in indoor setups. The durable metal cabinet ensures longevity against the elements.

One trade-off is that non-condensing units generally have a lower energy factor compared to condensing models. This could potentially lead to higher energy costs over time. Additionally, while outdoor units are convenient, they may require more maintenance due to exposure to weather conditions.

• 8.4 GPM flow rate
• 180,000 BTU/hour output
• 0.82 UEF
• Outdoor installation
• Durable metal cabinet

Best for: Homes with outdoor installation preference.

Rheem RTG Series 9.5 GPM…

The Rheem RTG Series 9.5 GPM is a powerhouse designed for large households requiring significant hot water flow. With a 9.5 GPM capacity, it’s perfect for homes with multiple bathrooms and high hot water demands.

This model excels in performance, offering a staggering 199,900 BTUs, which ensures that several showers and appliances can run simultaneously without compromising water temperature. Like the other models, it features a compact design that saves space, and its advanced safety features make it a reliable choice for everyday use.

However, this model’s higher output and efficiency come with a cost; it’s typically more expensive than lower-capacity models. Additionally, like the 7.0 GPM version, it’s a non-condensing unit, which may lead to higher energy bills in the long run.

• 9.5 GPM flow rate
• 199,900 BTU/hour output
• 0.82 UEF
• Indoor installation
• Compact design

Best for: Large families with high hot water needs.

How We Chose These Products

Our evaluation criteria focused on key aspects that matter most to consumers, including performance, energy efficiency, installation requirements, and user reviews. We analyzed the unique features of each model and how they cater to different household sizes and needs. By comparing specifications such as flow rate, BTU output, and energy factors, we identified models that provide reliable hot water solutions.

User feedback played a vital role in our selection. We considered real-world experiences to gauge satisfaction levels and common issues faced by buyers. This holistic approach allowed us to present a well-rounded view of the best Rheem pilotless gas water heaters available today.

Buying Guide: What Really Matters

When selecting a Rheem pilotless gas water heater, consider your household’s hot water needs. Assess how many simultaneous uses you typically have, such as showers, laundry, and dishwashing. This will help you determine the appropriate flow rate and capacity required for your home. It’s also crucial to evaluate energy efficiency ratings. Higher UEF ratings indicate better efficiency, which can save you money on energy bills over time.

Installation type is another important factor. Decide whether an indoor or outdoor model fits your home better. Indoor units require venting, while outdoor models simplify installation but may expose the unit to weather conditions, necessitating regular maintenance. Lastly, consider warranty options and available customer support, as these factors can significantly impact your long-term satisfaction and peace of mind.

Our Top Recommendation

The Rheem RTGH Series 8.4 GPM emerges as our top recommendation for its superior energy efficiency and capacity to handle multiple simultaneous uses in larger households. Its condensing technology ensures lower energy costs, making it an excellent long-term investment. For those needing a more budget-friendly option, the Rheem RTG Series 7.0 GPM offers reliable performance for smaller families.

Frequently Asked Questions

How do pilotless gas water heaters work? Pilotless gas water heaters use electronic ignition instead of a continuously burning pilot light. This design improves safety and energy efficiency.

What is the average lifespan of a Rheem gas water heater? Most Rheem gas water heaters last around 12 to 15 years with proper maintenance.

Are Rheem gas water heaters easy to maintain? Yes, regular maintenance involves checking for leaks and ensuring proper ventilation, making it a straightforward process for homeowners.

Can I install a Rheem gas water heater myself? While some homeowners may attempt installation, professional installation is recommended to ensure safety and compliance with local codes.