Price range: $2,499.00 through $2,799.00
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A powerful 199,000 BTU tankless system that provides endless hot water for multiple showers, ideal for larger Ontario homes.
Perfect for detached homes or large families with high hot-water demand (multiple showers, laundry, dishwashers).
Built for Ontario’s winter conditions — large capacity helps when incoming cold water is very cold.
Reliable premium model with strong manufacturer support when installed by certified professionals like us.
Compact size means easier fit in mechanical rooms, freeing up space — something many tank systems cannot provide.
Ideal when you’re ready to ditch your rental tank heater, reduce your energy bills and upgrade to modern technology.
Removal and disposal of your existing unit (tank or tankless)
Installation of the RU199iN with all associated parts (venting, gas line check/upgrades, isolation valves)
Full commissioning & performance test
Warranty registration with the manufacturer
1-year labour warranty by 4Most Energy, plus up to full manufacturer warranty when properly installed
Optional financing via 4Most SmartPay for budget-friendly payments
Highest Efficiency Available
Up to 0.98UEF, RX models offer unsurpassed efficiency and energy savings.
Faster Setup
Installing PROs can connect to the SENSEI RX with their smartphone via Bluetooth® for quick, simplified set-up and registration without needing to connect to WiFi.
One Model Does It All
Every SENSEI RX Series model can be installed indoors or outdoors using natural gas or liquid propane, so no matter where or how it’s installed, one model can do it all.
Maximize your Warranty
When you register your customer’s Rinnai RX Series water heater, you are providing them with one of the strongest warranties in the industry backed by a company renowned for its quality.
Better Value Than a Tank
Rinnai tankless water heaters last up to twice as long as tanks and have twice the warranty length. Plus, they save energy by heating water only when it is needed. Consumer financing and rebates are also often available.
Warranty 15 yrs or 12K hours on Heat Exchanger/ 5 years on Parts/ 1 Year on Labor
