Skip to content
Enjoy fast and free shipping on all orders over $89! Contact us (855) 424-4376
Enjoy fast and free shipping on all orders over $89! Contact us (855) 424-4376

Specifications Install Learn More


RE199iP is the perfect combination of high efficiency, comfort and value in a Propane gas non- condensing tankless water heater from Rinnai. Ideal for small to medium homes or remodels. Only the size of a small suitcase, is easy-to-install, reliable, and perfect for indoor locations; Rinnai products provide peace of mind with warranties that surpass the competition.

  • Uniform Energy Factor: 0.82
  • Warranty 15 yr Heat Exchanger / 5 yr Parts / 1 yr Labor
  • 10,400 BTU (minimum)
    199,000 BTU (maximum)
  • Indoor Only
  • RE Models DO NOT include isolation valves in the box (P/N: MIVK-T-LW).

Optimized Concentric Venting for Non-Condensing Models

Rinnai Tankless Water Heaters were the first to use a unique concentric venting system – featuring an inner pipe for exhaust and an outer pipe for fresh air from outdoors. The result is a direct-vent, sealed combustion system that requires only one penetration through the wall or roof.


Manufacturer Trade Model Number - U.S. RE199iP
Product Depth 10.77 in / (274 mm)
Product Height 27.28 in / (693 mm)
Product Width 14.05 in / (357 mm)
Product Weight 42.1 lb / (19.1 kg)
Gas Type Propane Gas
Installation Type Indoor Only
Uniform Energy Factor 0.82
Wi-Fi Capable Yes

Compact Design to Save Space

• Wi-Fi Technology for Remote Monitoring, Management and Recirculation Control.

• Improved Gas Conversion


Optional Accessories

Condensate Neutralizer, ScaleCutter, Additional Controllers, Pipe Cover, EZConnect™ Cables, control·r™ Wi-Fi Module, External Recirculation Pump, Wireless Accessories, and many more.

Controller Standard: Integrated

Controller Optional: MC-195T-US, RWM101 (control r™), MC601, MCC601 (RE199/RE180)



• Heat Exchanger: 15 years or 12,000 operation hours, whichever occurs first

• All Other Parts and Components: 5 Years

• Reasonable Labor: 1 Year

* It is recommended that a trained and qualified professional who has attended a Rinnai training class complete the installation. The warranty may be voided due to any improper installation.

— Installation and service must be performed by a licensed professional.

Installation Type:
Indoor Only

Fuel Type:

Energy Star Rated:

Energy Factor:

Vent Type:

BTU (Max):

BTU (Min):

Temperature Range (F):
98°F to 140°F

Flow Range (GPM):
0.13 - 8.5


Gas Connection:

Cold Water Inlet (NPTM):

Hot Water Outlet (NPTF):



Product Height
27.28 in / (693 mm)
Product Width
14.05 in / (357 mm)
Product Depth
10.77 in / (274 mm)
Product Weight
42.1 lb / (19.1 kg)

Blog posts

  • Turtle Safe LED Lights
    March 9, 2023

    Turtle Safe LED Lights

    In recent years, turtle populations have been declining due to various factors, including light pollution. Turtles use the natural light from the moon and stars to navigate, but artificial lights can confuse them and lead them away from their natural...

    Read now
  • How Tankless Water Heaters Work
    February 23, 2023

    How Tankless Water Heaters Work

     A tankless Rinnai water heater works by heating water on demand as it flows through the unit, rather than storing and continuously heating a large tank of water like traditional water heaters. Here are the steps of how a tankless...

    Read now

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare