Never Run Out of Hot Water with the Compact Rinnai Rx199iN Tankless Gas Water Heater. The Rinnai Rx199iN tankless gas water heater combines advanced technology with a compact design, ensuring endless hot water in a unit no larger than a small suitcase.

Key Features:

Modern Smart Design: Featuring an intuitive interface and a Quick Flush maintenance feature for effortless upkeep.

Exceptional Efficiency: With a 97% efficiency rating and a Uniform Energy Factor (UEF) of 0.98, this heater delivers optimal performance while keeping energy costs low.

Powerful Water Flow: Provides up to 11 gallons per minute (GPM), accommodating 3/4 fixtures running simultaneously.

Turbo Fan™ Technology: Enjoy longer vent runs and flexible venting options with Rinnai’s innovative Turbo Fan™.

Enhanced Heat Exchangers: Improved primary and secondary stainless steel heat exchangers ensure efficient heat transfer and durability.

Quiet Recirculation: The new 4 speed DC recirculation pump operates quietly while enhancing performance.

Long Lifespan: Designed to last up to twice as long as traditional water heaters.

Product Depth
11.4 inch / (291 mm)

Product Height
30.11 inch / (762 mm)

Product Width
18.5 inch / (470 mm)

Product Weight
55 lb / (24.5 kg)

Gas Type
NG or LP

Installation Type
Indoor or Outdoor

Recirculation Capable
Yes

Residential ENERGY STAR®
Yes

Uniform Energy Factor (UEF)
0.98

Domestic Hot Water Flow Rate (Maximum)
11.1 GPM / (42 L/min)

Wi-Fi Capable
Yes

SCAQMD Approved
Ultra Low NOx

Looking for a tankless water heater with professional installation? At HVAC Ontario, our Rinnai trained technicians ensure that your new tankless water heater is installed to the highest standards, following all manufacturer guidelines. Our team undergoes regular training directly from Rinnai, so you can trust in the quality of our workmanship. We stand behind every installation with industry leading guarantees to give you complete peace of mind:
No Lemons Guarantee: If the heat exchanger on your new tankless water heater fails twice within the first 5 years, we’ll replace the entire unit free of charge.
$250 No Frustration Guarantee: If your tankless water heater stops working and you have no hot water, we’ll have a technician at your home within 24—48 hours. If we fail to do so within 48 hours, we’ll compensate you with $250 for the inconvenience.
Next Day or $100 Off: Order your tankless water heater before 12 PM, and we guarantee next day installation. If we’re unable to install it the next day, you’ll receive $100 off your purchase.

With HVAC Ontario, you're not just getting a new tankless water heater—you're getting expert installation and unmatched service guarantees that ensure your satisfaction from start to finish.

At HVAC Ontario, we offer flexible options to ensure you get the most out of your new tankless water heater. Here's how our warranty and installation services work:

Tankless Water Heater Without Installation: If you’re purchasing a tankless water heater without installation, your unit will come with a standard 1 year parts warranty. This provides essential coverage for any defects in the system, giving you peace of mind for that first year.

Tankless Water Heater With Installation by HVAC Ontario: For the ultimate protection, choose HVAC Ontario to install your tankless water heater. When we handle the installation, you unlock a 15 year limited parts and labor warranty—at no extra cost to you. You don’t have to worry about navigating complex warranty claims; we handle everything. If there’s ever an issue, just contact us, and we’ll take care of the rest.

We stand behind every installation with industry leading guarantees to give you complete peace of mind and that why we offer:
$250 No Frustration Guarantee: If your tankless water heater stops working and you have no hot water, we’ll have a technician at your home within 24—48 hours. If we fail to do so within 48 hours, we’ll compensate you with $250 for the inconvenience.