Best Truma Tankless Water Heaters Reviewed

Imagine you’re out camping, and just as you’re about to take a refreshing shower after a long hike, you find that your water heater is not delivering hot water. This situation can turn a relaxing trip into a frustrating experience. Tankless water heaters, specifically designed for RVs and homes, have emerged as a reliable solution to provide continuous hot water on demand, eliminating the long wait times associated with traditional tank systems.

A great tankless water heater not only offers instant hot water but also comes with energy efficiency, ease of installation, and durability. With various models and brands available, it’s crucial to choose one that fits your specific needs, whether you’re a full-time RVer, a weekend camper, or someone looking to upgrade your home system.

In this roundup review, we’ll explore five top-rated Truma tankless water heaters. Each product comes with distinctive features, pros and cons, and ideal use cases to help you make an informed decision.

Here’s a quick comparison of the key specifications across our selected models:

Features	Truma AquaGo	FOGATTI InstaShower 9 Pro	Truma Decalcification Tablets	Truma Replacement Water Filter	Truma Door Turn Lock
Material & Build	Polycarbonate	Metal/Plastic	Tablets	Reusable Cartridge	Plastic
Key Specification	17.7×17.7 in	66,000 BTU	6-Pack	Tool-free Install	Twist-lock Mechanism
Main Feature	Replacement Access Door	High-Altitude Ready	Restores Performance	Reduces Scale	Secures Access Door
Performance	Weather Resistant	3.6 GPM	Non-corrosive	Filters Particulates	Durable Lock
Best Use Case	RV Replacement	Families & Campers	Maintenance	Winterization	DIY Repairs

Truma AquaGo Tankless Wat…

The Truma AquaGo Tankless Water Heater Access Door is an essential accessory for RV enthusiasts looking to maintain their hot water system. It’s ideal for those who have experienced issues with cracked or faded exterior panels due to sun exposure or road vibration. Whether you’re upgrading your current system or completing a new installation, this access door is designed to fit seamlessly.

This replacement door stands out for its OEM fit and robust construction. Made from high-quality polycarbonate, it resists UV degradation and environmental wear, ensuring that your AquaGo compartment remains sealed from rain, dust, and pests. Its straightforward installation process means you can replace your existing door with basic hand tools, making it a perfect choice for DIYers.

One limitation is that it’s specifically designed for the AquaGo model, so it won’t be suitable for other brands of water heaters. Additionally, while it’s durable, some users may find the price point a bit high for a simple access door.

• OEM fit for AquaGo
• Dimensions: 17.7in x 17.7in
• Molded polycarbonate material
• Weather-resistant design
• Easy installation with tools

Best for: RV owners needing a reliable access door for their AquaGo water heater.

FOGATTI InstaShower 9 Pro…

The FOGATTI InstaShower 9 Pro is a high-performance tankless water heater that caters to RV families and campers. With an impressive output of 66,000 BTU, it provides hot water on demand at a rate of up to 3.6 gallons per minute. This makes it perfect for multiple users, allowing simultaneous showers or dishwashing without waiting.

This model excels in performance, especially in high-altitude conditions, operating smoothly up to 9,800 feet. The built-in mixing tank ensures stable temperature control, adapting to seasonal changes with ease. This means you won’t have to worry about sudden temperature fluctuations, making it ideal for families who value comfort.

However, the unit’s size may be a consideration. While it’s designed for easy retrofit with a 15”x15” access door, some users might find it bulky for smaller RVs. Additionally, its installation might require professional help if you’re not familiar with RV plumbing systems.

• 66,000 BTU power output
• 3.6 GPM flow rate
• High-altitude ready
• Built-in mixing tank
• 15”x15” retrofit door

Best for: Families needing a robust tankless solution for RVs.

Truma AquaGo Decalcificat…

The Truma AquaGo Decalcification Tablets are a must-have for RV owners who want to maintain their tankless water heater’s efficiency. These tablets dissolve limescale, restoring optimal performance when the heater begins to show signs of reduced flow or fluctuating temperatures. Ideal for those who use hard water sources or campgrounds with mineral-rich water.

This product stands out for its ease of use. Simply drop a tablet into the AquaGo system, and it will dissolve without the need for measuring or mixing. This takes the hassle out of routine maintenance, making it perfect for both seasoned RVers and newcomers.

One drawback is that these tablets are specifically designed for the AquaGo Comfort and Comfort Plus models, meaning they’re not suitable for all Truma units. Additionally, regular use is necessary to prevent buildup, which can be a commitment for some users.

• Non-corrosive formula
• Restores hot water performance
• Quick-dissolving tablets
• Use every 1,585 gallons
• Safe for potable water lines

Best for: AquaGo owners looking to maintain peak performance.

Truma AquaGo Replacement…

The Truma AquaGo Replacement Water Filter is an essential component for maintaining clean and safe water flow in your tankless system. It’s perfect for RV, camper, and motorhome owners who want to reduce scale build-up and improve the longevity of their AquaGo heater.

This filter excels with its tool-free installation. Users can easily replace the old filter cartridge with a new one in minutes, making it a convenient option for those who prefer DIY maintenance. Its reusable design also means you won’t have to keep purchasing new filters, saving you money in the long run.

However, some users may find that it requires regular cleaning to maintain optimal performance. Additionally, while it fits the AquaGo Comfort Plus models, it may not be compatible with other versions, so it’s important to check compatibility before purchasing.

• Reusable fine wire mesh
• Tool-free installation process
• Compatible with AquaGo Comfort Plus
• Helps prevent scale buildup
• Great for winterization

Best for: RV owners wanting a reliable water filter for their AquaGo.

Truma AquaGo Door Turn Lo…

The Truma AquaGo Door Turn Lock is a simple yet essential replacement part for maintaining the security of your AquaGo access door. It’s suitable for RV and marine applications, making it a versatile choice for anyone who regularly uses their tankless water heater.

This lock stands out for its quick, tool-free installation. You can easily replace a broken or missing lock without needing specialized tools, making it perfect for DIY enthusiasts. Its robust design ensures it withstands UV exposure and road vibrations, which is crucial for travel applications.

On the downside, while it fits all AquaGo door sizes, it may not be a universal solution for other brands. Moreover, some users may prefer a more robust locking mechanism for added security.

• Quick tool-free installation
• Universal fit for AquaGo sizes
• Durable plastic construction
• Resists UV and road vibration
• Ideal for DIY repairs

Best for: RV owners needing a reliable access door lock.

How We Chose These Products

Our selection process involved thorough research, focusing on user reviews, expert recommendations, and product specifications. We aimed to cover a variety of needs, from essential maintenance products to complete tankless water heater systems. Each product was evaluated based on its performance, ease of installation, durability, and compatibility with different models.

We also considered the feedback from actual users, weighing their experiences and insights on the practicality of each product. This approach helps ensure that our recommendations reflect real-world applications and solve common problems faced by RV and camper owners.

Buying Guide: What Really Matters

When selecting a tankless water heater or accessory, consider your specific needs. Evaluate the size of your vehicle, your hot water demands, and the typical water quality in your area. For example, families may need a higher capacity unit to accommodate simultaneous usage, while solo travelers might prioritize compactness and weight.

Additionally, look for ease of installation and maintenance features. Products that offer tool-free installation and reusable components can save time and money in the long run. Always check compatibility with your existing systems to avoid costly returns or installation issues.

Our Top Recommendation

For families and frequent campers, the FOGATTI InstaShower 9 Pro stands out as the top choice due to its high output and reliable performance. It caters to multiple users efficiently, making it perfect for busy RV life. For those focused on maintaining their existing systems, the Truma AquaGo Decalcification Tablets offer an excellent solution for keeping your heater in top condition.

Frequently Asked Questions

How often should I use decalcification tablets? It’s recommended to use them every 1,585 gallons of water used, typically once a year for moderate usage.

Can I install the AquaGo door myself? Yes, the access door can be easily installed with basic hand tools, making it a DIY-friendly choice.

What’s the difference between AquaGo Comfort and Basic models? The Comfort models have advanced features like built-in decalcification, whereas Basic models lack these enhancements.

Are the FOGATTI and Truma heaters compatible? No, they are different brands with specific installation requirements, so ensure compatibility before purchasing.