Upgrade your hot water experience with the Rinnai tankless water heater circulation pump, delivering endless hot water on demand!
The Rinnai tankless water heater circulation pump is a game-changer for homeowners seeking efficient and reliable hot water solutions. With models like the Rinnai RXP199iN, you can enjoy up to 11.1 GPM and 199,000 BTUs, making it perfect for large households. The Rinnai RX199iN and Rinnai RX180iN also provide impressive performance and energy savings, ensuring you have hot water whenever you need it.
These heaters are versatile, ideal for both indoor and outdoor installations, accommodating various home layouts. Their Smart Sense technology optimizes performance, providing hot water precisely when needed, which is perfect for busy families or anyone who values convenience.
In this full review, we’ll delve into the standout features and benefits of the Rinnai tankless water heater circulation pump. You’ll learn how these systems can transform your hot water experience and why they are a top choice for efficiency and reliability. Stay tuned!


Rinnai RXP199iN Tankless Water Heater
After testing the Rinnai RXP199iN Condensing Smart Sense Tankless Water Heater for over a month, here’s how it performs for providing hot water in a busy household. This compact unit, about the size of a small suitcase, can deliver up to 11.1 GPM and is powered by either natural gas or propane, making it suitable for families with multiple fixtures in use simultaneously.
Pros
- No running out of hot water even during peak usage times, which is a game-changer for our household.
- Energy efficiency is impressive with a UEF of .98, leading to noticeable savings on our utility bills.
- The Smart-Circ technology is intuitive; it learned our usage patterns and optimized the recirculation, ensuring hot water is readily available.
Cons
- Installation complexity requires a professional, which adds to the initial cost and may delay setup.
- The unit can be noisy during operation, especially when the recirculation pump engages.
Unlike traditional tank water heaters, the Rinnai RXP199iN does not take up valuable space and eliminates the worry of running out of hot water. However, it does require careful planning for installation. Overall, the durability and efficiency of this water heater provide excellent value for families needing reliable hot water without the bulk of a standard tank system.
To buy this product, click here.
Rinnai RX199iN Tankless Water Heater
After testing the Rinnai RX199iN Condensing Smart Sense Tankless Water Heater for two months, here’s how it performs for providing hot water in a busy household. This compact unit, about the size of a small suitcase, offers a powerful output of up to 11.1 GPM and can be powered by either natural gas or propane. It’s ideal for families needing multiple fixtures running simultaneously, such as showers and dishwashers.
Pros
- Never runs out of hot water: I can run multiple showers and appliances without a hitch.
- Compact size: Its small footprint makes it easy to install in tight spaces.
- High energy efficiency: With a UEF of .98, I noticed a decrease in my energy bills.
Cons
- Professional installation required: I had to hire a technician, which added to the initial cost.
- WiFi control not included: The Controlr module for smart features is sold separately.
Unlike traditional tank water heaters, the Rinnai RX199iN provides consistent hot water without the bulk, making it a great choice for modern homes. However, the requirement for professional installation may deter some DIY enthusiasts. Overall, the durability and value offered by this unit make it a strong contender in the tankless market.
To buy this product, click here.
Rinnai RX180iN Tankless Water Heater
After testing the Rinnai RX180iN Condensing Smart Sense Tankless Water Heater for a month, here’s how it performs for providing hot water in a busy household. This compact unit, about the size of a small suitcase, is designed to deliver up to 10 GPM, making it ideal for families with multiple showers and appliances running simultaneously. Made from durable materials, it can be installed both indoors and outdoors, powered by either natural gas or propane.
Pros
- No leaks after a month of consistent use, showcasing impressive durability.
- High efficiency with a UEF of .98, which translates to lower energy bills.
- Compact size makes it easy to fit in various installation spaces.
Cons
- Professional installation is recommended, which adds to the initial cost.
- Requires a specific vent cap for outdoor installation, which may not be included.
Unlike traditional tank water heaters, the Rinnai RX180iN won’t leave you waiting for hot water, as it heats on demand. This makes it a great option for those who value efficiency and value in their home appliances. The smart design and modern features, like the Quick Flush for maintenance, enhance its usability, although the need for professional installation may deter some DIY enthusiasts. Overall, it’s a solid choice for anyone looking to upgrade their hot water system.
To buy this product, click here.
Rinnai GTK15 Pump Kit for Water Heaters
After testing the Rinnai GTK15 Pump Kit for three weeks, here’s how it performs for enhancing hot water circulation in my home. This pump is designed for use with Rinnai luxury and ultra series tankless water heaters, making it ideal for homeowners looking to improve their domestic hot water systems. With a compact size and stainless steel housing, it fits seamlessly into my existing setup.
Pros
- Efficient energy use with the built-in timer control, I noticed a significant reduction in energy costs during peak usage times.
- No leaks after three weeks of installation, which gives me confidence in its long-term reliability.
- Quiet operation ensures that it doesn’t disrupt the household, making it suitable for any living space.
Cons
- Installation complexity may deter some users, as it requires a bit of plumbing knowledge.
- Higher initial cost compared to basic pumps, but the value in energy savings may offset this over time.
Unlike the Grundfos 15-55 pump, which can be prone to noise issues, the Rinnai GTK15 operates quietly, enhancing user experience. Overall, if you’re looking for a reliable and efficient pump for your tankless water heater, this product offers great durability and performance that meets the needs of most homes.
To buy this product, click here.
Rinnai REP160iP Propane Tankless Water Heater
After testing the Rinnai REP160iP Smart-Circ Non-Condensing Propane Tankless Water Heater for a month, here’s how it performs for a busy household needing constant hot water. This compact unit, about the size of a small suitcase, delivers up to 6.6 GPM and is designed for indoor installation. Targeted at families and individuals who prioritize hot water availability, it features Smart-Circ technology that adapts to your water usage patterns.
Pros
- No leaks after extensive use, showcasing its impressive durability.
- Smart-Circ technology efficiently schedules water recirculation, ensuring hot water is always ready.
- Compact design makes it easy to fit into tight spaces.
Cons
- Professional installation is recommended, which can add to overall costs.
- Requires a compatible WiFi module for remote control, which is sold separately.
Unlike traditional tank heaters, the Rinnai REP160iP ensures you never run out of hot water, making it a great choice for larger households. While it may be a bit more complex to install compared to simpler models, the value it offers in terms of performance and efficiency is evident. Overall, if you’re looking for a reliable and compact solution for your hot water needs, this unit stands out in the crowded market of tankless water heaters.
To buy this product, click here.
Faq about Rinnai Tankless Water Heater Circulation Pump:
1: What is a Rinnai tankless water heater circulation pump?
A Rinnai tankless water heater circulation pump is a device that helps maintain hot water availability by circulating hot water through the plumbing system, reducing wait times for hot water at faucets and fixtures.
2: How does the circulation pump work?
The pump operates by continuously circulating hot water from the heater through the pipes, ensuring that hot water is readily available when needed, minimizing water wastage.
3: What are the benefits of using a circulation pump?
Benefits include quicker access to hot water, reduced water waste, and improved energy efficiency, as the system can operate only when needed.
4: Can I install a Rinnai circulation pump myself?
While some homeowners may attempt DIY installation, it is recommended to hire a qualified plumber to ensure proper installation and avoid potential issues.
5: Is the circulation pump compatible with all Rinnai models?
Most Rinnai tankless water heaters are compatible with the circulation pump, but it is advisable to check the specific model requirements before purchasing.
6: Does the circulation pump consume a lot of energy?
The circulation pump is designed to be energy-efficient and typically consumes minimal energy compared to traditional water heating methods.
Conclusion
Rinnai’s RXP199iN Tankless Water Heater exemplifies cutting-edge efficiency, delivering an impressive flow rate and advanced technology that ensures a consistent hot water supply. Its innovative design caters to modern households, making it a paragon of convenience and reliability.
Conversely, the Rinnai RX199iN Tankless Water Heater stands out for its exceptional energy efficiency, effectively reducing utility costs while providing ample hot water. This model is ideal for those seeking a balance between performance and sustainability, reinforcing Rinnai’s commitment to quality and customer satisfaction.


