10 Reasons to Buy Rinnai RUC98 Tankless Water Heater
Coming from the Ultra series of condensing water heaters, Rinnai RUC98 tankless model is a perfect unit for large homes and high demanding applications. The RUC98 is designed to give you endless hot water while helping you save, even for simultaneous uses at multiple fixtures. One of the most advanced models, RUC98 is capable of providing savings of over 40% using the Eco-friendly and modulating gas burner. It is ideal for those looking for fast hot water delivery, remote control, Wi-Fi connectivity, and Energy Star compliance.
FEATURES & BENEFITS
1. High water flow
Unlimited supply of hot water
Maximum flow of 9.8 GPM, minimum 0.26 GPM
Ideal for high demanding homes and up to 4 bathrooms
Great for both point-of-use and whole-house applications
2. Instant and fast hot water delivery
Rinnai Circ-Logic technology allows users to set recirculation pattern
Recirculation program cycles external pump
Comfort and Economy recirculation modes for shorter and longer time intervals
3. Smart technology
Integrated controller with the display and push buttons, with the optional advanced controllers
Advanced diagnostics with error codes for easy troubleshooting
Thanks to the Wi-Fi connectivity, RUC 98 models can now be remotely monitored and controlled using the smartphones and Rinnai App.
Remote diagnostics and maintenance
Voice activation using integrated Amazon Alexa
4. Tankless & condensing
On-demand, tankless water heating with the fresh hot water delivery
Stainless steel and copper heat exchangers
Water preheating in the condensing exchanger, using the heat from exhaust gases
The low temperature of exhaust gases allows the use of cheaper vents
5. High efficiency
Super high efficiency of 0.92
Direct electronic ignition instead of an old-fashioned pilot light
Thanks to the innovative technology, RUC 98 can use up to 40% less energy than traditional models
Buying the RUC 98 is a smart investment, because your home value can increase and as you might get rebates and tax credits
Energy Star approved
6. Easy temperature control
An integrated controller allows users to set the temperature between 98 and 140 F, or up to 185 F with the commercial controller. Additional controllers can be installed.
7. Powerful gas burner
Strong and Eco-friendly gas burner
Power modulation from 15,200 to 199,000 BTU
Ultra-low gas emission contributes to cleaner air and greener environment
The model can last over 20 years
All the components are easily replaceable and recyclable, so there is less waste in landfills
The higher efficiency of over 90% results in less energy waste
Reduced water consumption
The low noise level of 41 dB
9. Flexible installation
Small and compact design - 18.5” X 26” X 10”
Lightweight – 61.7 lbs
Installed on the wall so more space is available for other use
Designed for indoor and outdoor installation, including crawl spaces and attics
Used in residential, commercial and mobile home applications
Dual direct venting option allows concentric and dual pipe venting
PVC and CPVC vents; lengths up to 100 ft.
½” gas line compatible
Isolation valves are provided for easy installation and service
High altitude installation up to 10,200 ft.
Long lasting – over 20 years
All the components are replaceable
Freeze protection against temperatures as low as -22 F
12-year warranty on the heat exchanger and 5 on other parts
Highlights of customer reviews
Excellent performance. Users were happy knowing that there will be no more concerns that water will run out after 2-3 showers.
Constant temperature. One of the users tested the unit running several applications at the same time and he was getting hot water at the steady temperature.
Low rate. Rinnai RUC98 has a very good flow rate (low) to trigger heating.
Noticable savings when compared to electric.
Expensive to buy. Very pricey if installing a dedicated return line, especially in retro fit situation.
There is more delay in hot water delivery than the tank unit (some users suggest to get RUR model with the internal pump and recirculation).
For amateurs it might take a long time to install.
Note: Professional installation is recommended. No tax rebate if the installation was not done by the professional.
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