Rinnai RL75iNG Natural Gas Internal Whole House Natural Gas Tankless Water Heater 7.5 Gallons Per Minute with Isolation Valves

- Item #: BCI1840399

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Questions about Rinnai RL75iNG?

Contact us for advice or more details. Our product specialists are here to help.

  • Why Go Tankless Over a Tank Water Heater
    For your convenience Rinnai has provided this quick video about Tankless Water Heaters. This video will help you choose a Rinnai Tankless Water heater over a Tank Water heater.
  • What is a Rinnai Tankless Water Heater
    Rinnai tankless water heaters provide endless streams of clean, hot water to your whole house. It heats water only when you need it, saving you up to 40% on your energy bill.

Luxury Collection Natural Gas, Internal Whole House Tankless Water Heater with 7.5 GPM at 40° F Rise for Three Bathroom Home

Stop planning your mornings and evenings around your water heater. Set your own schedule, thanks to the RL75i. Ideal for two- to three-bathroom homes, the R75LSi delivers up to 7.5 gallons of hot water per minute (GPM), while saving energy and money. Mount your compact R75LSi in virtually any room, and vent directly to the outside with a single wall or roof penetration.

Qualifies For Federal Tax Credit

A tankless water heater is an energy-efficient water heating system that heats water only when it’s needed. These space-saving, long-lasting water heaters provide an endless stream of clean, hot water for all your appliances simultaneously without temperature fluctuations. And all while saving you up to 40% in energy costs!

Features:

  • Appropriate for 3 Showers and 1 Sink
  • ENERGY STAR® Qualified
  • Certified for Installation in Manufactured (Mobile) Homes
  • Commercial-grade Heat Exchanger for Residential and Commercial Applications
  • Hot Water Capacity: 0.4 to 7.5 GPM @ 40° F Rise
  • 82% Thermal Efficiency
  • Natural Gas Fuel
  • Indoor Installation Only
  • Pre-set at 120°F
  • 98° F to 140° F Temperature Range
  • Gas Rate Input BTU's: 9,900 - 180,000
  • Electronic Ignition
  • EZConnect®(Connects Two Units Together)
  • Meets California and Texas NOx Emissions Standards
  • Compatible with Full Line of Rinnai Digital Controllers
  • GSA Approved
  • 12-Year Warranty on Heat Exchanger, 5 Year Parts, 1 Year Labor for Residential Installations
  • Includes:
    • MC-91-1 Digital Controller with Error Code Indicator
    • Isolation Valve
    • Pressure Relief Valve
    • Wall Mounting Hardware

Specifications:

  • Width: 14"
  • Height: 22-15/16"
  • Depth: 9-5/8"
  • Weight: 50 lbs
  • Factory Set Temperature: 120°
  • Gas Connection: 3/4"
  • Water Connection: 3/4"

Additional Rinnai Links

Our SKU: Rinnai RL75iNG

This product is listed under the following manufacturer number(s):

*Denotes a finish or option that has been discontinued

Rinnai RL75iNG Product Specifications

Specification Sheet
Owners Manual
Warranty
CSA Approved Yes
Collection Luxury
Configuration Tankless Water Heater
Default Temperature 120
Depth 9.6
Direct Vent Yes
Energy Factor .82
Energy Star Yes
Fuel Type Natural Gas
Function Non-condensing
Gas Connection 3/4"
Height 22.9
Ignition Type Electronic
Indoor Installation Yes
Low Lead Compliant Yes
Maximum Flow Rate 7.5
Maximum Gas Input 180000
Minimum Flow Rate .4
Minimum Gas Input 9900
Natural Gas Pressure (Max) 10.5
Natural Gas Pressure (Min) 5
Natural Gas Thermal Efficiency 82%
Outdoor Installation No
Product Weight 50
Temperature (Max) 140
Temperature (Min) 98
UL Listed Yes
Voltage 120
Water Connection 3/4"
Water Pressure (Max) 150
Water Pressure (Min) 20
Width 14

Installation Resource Center

Whether you are installing the product yourself or hiring a professional, our installation Resource Center has everything you need to get your project done. Visit the Installation Resource Center to get started.

Rinnai RL75iNG Reviews

Rated 4 out of 5 by from Things to consider The Rinnai water heater works well and saves energy but there are some issues that are specific to these water heaters and I am going to tell you the whole truth. Venting: The exhaust/combustion air vent is tested and listed for the unit and you can?t use any other vent. It uses outside air for combustion and is very safe. The direct vent sealed combustion vent allows Rinnai to be installed in bath rooms and bed rooms where traditional B-Vent water heaters cannot. There are limitations of how far away and were you can terminate the vent, check out the installation manual for that. Hot Water: It will make endless hot water until you turn off the tap, a minute, an hour, a week. It can only supply so much at a time, depending on your cold water temperature it will only run two or three fixtures at once. It is an ?on demand? water heater, not an ?instant? water heater, hot water will take longer to arrive at the fixture than it will from a tank water heater. Gas Supply: These water heaters use less fuel than a tank style water heater but when they want fuel, they want it now. Your tank style water heater required a gas supply of about 40,000 btu?s per hour, your Rinnai will require 180 to 199,000 btu?s per hour. Check you gas supply lines to make sure they have enough capacity for the new load or your new water heater won?t perform to its potential without upgrading the supply line. Expect some maintenance: This is an energy saving, high tech machine with a combustion fan, pc board and electronic solenoid valves to control water and gas flow. Your water quality will also determine how often the unit will need to be flushed, generally every one or two years. Flushing is done by using a small pump to circulate a solution through the unit to dissolve calcium deposits that form inside the heat exchanger. You should flush a tank style water heater too but most people don?t. If you don?t flush your tank less water heater the efficiency will be reduced and you may get inconsistent water temperatures. In the worst case it could plug the heat exchanger or cause it to leak requiring replacement. Finding service: This point can be a little sticky. Rinnai?s warranty isn?t affected by internet purchases but your online retailer won?t be much help. Rinnai has an online dealer locater but if you haven?t purchased the appliance from that dealer it is a little like bringing your own steak to the restaurant, they may cook it for you but they won?t guarantee the results. Be prepared to pay the service man and fight Rinnai for reimbursement or buy locally. Hope this helps.
Date published: 2013-06-11
  • what is the warranty

    A. The Rinnai RL75iNG has a 12-Year Warranty on Heat Exchanger, 5 Year Parts, 1 Year Labor for Residential Installations.

  • Is this one have a Canadian certification

    A. The Rinnai RL75iNG is CSA 4.3 certified.

  • Can you use 1/2 gas line up to unit and then convert it to 3/4,or does it need 3/4 all the way from supply.

    A. The Rinnai RL75iNG is not able to run 1/2 to 3/4. This particular natural gas tankless water heater needs to have the 3/4 fitting the whole way. If you have any other questions please feel free to ask I am here to help.

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