54mm 
142mm 
Q175C specifications
The Rinnai Q175C is a powerful and efficient condensing tankless water heater designed for residential applications. Engineered for households with high hot water demands, this model stands out for its advanced technology, reliability, and environmental sustainability.One of the most notable features of the Rinnai Q175C is its capacity to deliver an impressive flow rate of up to 7.5 gallons per minute (GPM) at a temperature rise of 35 degrees Fahrenheit. This means that multiple hot water fixtures can be utilized simultaneously without experiencing a significant drop in temperature, making it ideal for larger families and homes with multiple bathrooms.
The technology behind the Rinnai Q175C enhances its efficiency and performance. It utilizes a condensing heat exchanger that captures and reuses exhaust heat, optimizing energy use. This results in a uniform hot water supply while significantly reducing energy costs. The unit is Energy Star certified, ensuring that homeowners can enjoy both comfort and savings on their utility bills.
The Rinnai Q175C is designed with user convenience in mind. Its compact size allows for easy installation in various settings, including tight spaces. It can be installed in a garage, basement, or even outdoors, providing flexibility for homeowners. Additionally, it features a digital controller that enables users to set precise temperatures, ensuring a consistent hot water supply tailored to individual preferences.
Safety is another paramount consideration in the design of the Rinnai Q175C. It incorporates advanced safety features such as freeze protection and overheat protection, ensuring worry-free operation even in extreme conditions. The unit also provides dual power sources, allowing it to operate on either natural gas or propane, which adds to its versatility.
Lastly, Rinnai prides itself on durability and quality. The Q175C is constructed with high-grade materials and components, ensuring a long lifespan with minimal maintenance. The unit comes with a comprehensive warranty, reinforcing Rinnai's commitment to customer satisfaction.
In conclusion, the Rinnai Q175C is a state-of-the-art tankless water heater that combines advanced technology with convenience and safety. With its high flow rate, energy efficiency, and durable design, it represents an excellent investment for homeowners seeking reliable and endless hot water solutions.