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Rinnai_104000311

Rinnai Gas Conversion Kit Propane to Natural Gas for RE REP 140K 160K

SKU: 104000311
Product ID: 60795
$109.00 - $109.00
$109.00
$109.00 - $109.00
$109.00

Product Details Rinnai Gas Conversion Kit Propane to Natural Gas for RE REP 140K 160K 104000311 The Rinnai Gas Conversion Kit Propane to Natural G...

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Rinnai 103000040

Rinnai Conversion Kit LP to NG Gas for RUC80i Tankless Water Heaters

SKU: 103000040
Product ID: 60679
$80.00 - $80.00
$80.00
$80.00 - $80.00
$80.00

Product Details Rinnai Conversion Kit LP to NG Gas for RUC80i Tankless Water Heaters 103000040 Ensure your Rinnai tankless water heater runs sa...

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Rinnai 104000310

Rinnai Gas Conversion Kit Natural Gas to Propane for RE REP 140K 160K

SKU: 104000310
Product ID: 60794
$109.00 - $109.00
$109.00
$109.00 - $109.00
$109.00

Product Details Rinnai Gas Conversion Kit Natural Gas to Propane for RE REP 140K 160K 104000310 The Rinnai Gas Conversion Kit Natural Gas to Propa...

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Rinnai 104000309

Rinnai Gas Conversion Kit Natural Gas to Propane for REU180 and REU199

SKU: 104000308
Product ID: 60791
$109.00 - $109.00
$109.00
$109.00 - $109.00
$109.00

Product Details Rinnai Gas Conversion Kit Natural Gas to Propane for REU180 and REU199 104000308 The Rinnai Gas Conversion Kit Natural Gas to Prop...

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Rinnai 224080PP

Rinnai 39" Tankless Water Heaters And Boiler Condensing Vent Pipe Extension

SKU: 224080PP
Product ID: 902418
$67.00 - $67.00
$67.00
$67.00 - $67.00
$67.00

Product Details Rinnai 39" Tankless Water Heaters And Boiler Condensing Vent Pipe Extension 224080PP The Rinnai 224080PP 39-inch Condensing...

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Rinnai PCD07-EW-BP

Rinnai Euro White Bottom Plate For PCD07-EW Pipe Cover

SKU: PCD07-EW-BP
Product ID: 60337
$81.00 - $81.00
$81.00
$81.00 - $81.00
$81.00

Product Details Rinnai Euro White Bottom Plate for PCD07-EW Pipe Cover PCD07-EW-BP The Rinnai PCD07-EW-BP Bottom Plate is an official acces...

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Rinnai PCD07-EW

Rinnai Pipe Cover Enclosure For SENSEI SE+ Tankless Water Heaters

SKU: PCD07-EW
Product ID: 60336
$278.00 - $278.00
$278.00
$278.00 - $278.00
$278.00

Product Details Rinnai Pipe Cover Enclosure for SENSEI SE+ Tankless Water Heaters PCD07-EW The Rinnai PCD07-EW Pipe Cover Enclosure is a pr...

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Rinnai 107000473

Rinnai Hot Isolation Valve For Sensei Tankless Water Heater Service

SKU: 107000473
Product ID: 60788
$71.00 - $71.00
$71.00
$71.00 - $71.00
$71.00

Product Details Rinnai Hot Isolation Valve for Sensei Tankless Water Heater Service 107000473 The Rinnai Hot Isolation Valve for Sensei Tankless W...

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Rinnai 109000294

Rinnai Water Heater Screw Cover for V65 and V75 Tankless Systems

SKU: 109000294
Product ID: 60786
$40.00 - $40.00
$40.00
$40.00 - $40.00
$40.00

Product Details Rinnai Water Heater Screw Cover for V65 and V75 Tankless Systems 109000294 The Rinnai Water Heater Screw Cover for V65 and V75 Tan...

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Rinnai 196125PVC

Rinnai 2" Concentric Vent Termination Kit IPEX 2" x 40" 196125PVC

SKU: 196125PVC
Product ID: 60590
$135.00 - $135.00
$135.00
$135.00 - $135.00
$135.00

Product Details Rinnai 2" Concentric Vent Termination Kit IPEX 2" x 40" 196125PVC The Rinnai 196125PVC is an official OEM concentric vent terminat...

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Rinnai Tankless Water Heater and Boiler Low Profile Rack

SKU: RTBRACKS
Product ID: 60777
$460.00 - $460.00
$460.00
$460.00 - $460.00
$460.00

Product Details Rinnai Tankless Water Heater and Boiler Low Profile Rack RTBRACKS The Rinnai Tankless Water Heater and Boiler Low Profile Rack RTB...

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Rinnai 185342

Rinnai Non-Condensing Tankless Water Heater Roof Termination Extension Kit

SKU: 185342
Product ID: 60324
$98.00 - $98.00
$98.00
$98.00 - $98.00
$98.00

Product Details Rinnai Non-Condensing Tankless Water Heater Roof Termination Extension Kit 185342 The Rinnai 185342 Roof Termination Extension K...

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Rinnai 224050

Rinnai 3"/5" 45 Degree Elbow Vent Connector 2 Pieces

SKU: 224050
Product ID: 60317
$100.00 - $100.00
$100.00
$100.00 - $100.00
$100.00

Product Details Rinnai 3"/5" 45 Degree Elbow Vent Connector 2 Pieces 224050 The Rinnai 224050 45 degree vent pipe elbow is designed for use w...

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Rinnai 223182

Rinnai 21" Horizontal Non-Condensing Vent Termination Kit w/ Elbow

SKU: 223182
Product ID: 60302
$169.00 - $169.00
$169.00
$169.00 - $169.00
$169.00

Product Details Rinnai 21" Horizontal Non-Condensing Vent Termination Kit W/ Elbow 223182 This venting kit is engineered specifically for Rinnai...

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Rinnai 204000045

Rinnai DV Remote Wall Thermostat Installation Kit

SKU: 204000045
Product ID: 60419
$138.00 - $138.00
$138.00
$138.00 - $138.00
$138.00

Product Details Rinnai DV Remote Wall Thermostat Installation Kit 204000045 The Wall Thermostat Installation Kit provides everything you need to ...

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Rinnai 803000030

Rinnai Boiler Conversion Kit Natural Gas To Liquid Propane For M090S

SKU: 803000030
Product ID: 60567
$99.75 - $99.75
$99.75
$99.75 - $99.75
$99.75

Product Details Rinnai Boiler Conversion Kit Natural Gas To Liquid Propane For M090S 803000030 The Rinnai 803000030 is a genuine OEM gas conversio...

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Rinnai 107000284

Rinnai Isolation Valve Kit

SKU: 107000284
Product ID: 60763
$151.96 - $151.96
$151.96
$151.96 - $151.96
$151.96

Product Details Rinnai Isolation Valve Kit 107000284 The Rinnai Isolation Valve Kit 107000284 is a genuine OEM replacement kit designed to provide...

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Rinnai 107000441

Rinnai Check Valve 3/4" Brass Spring Replacement for Tankless Water Heaters

SKU: 107000441
Product ID: 60643
$57.00 - $57.00
$57.00
$57.00 - $57.00
$57.00

Product Details Rinnai Check Valve 3/4" Brass Spring Replacement for Tankless Water Heaters 107000441 The Rinnai Spring Check Valve Part Number ...

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Rinnai 169043

Rinnai Pipe Clamp Metal For Securing 3/5 Concentric Vent Systems

SKU: 169043
Product ID: 60642
$21.50 - $21.50
$21.50
$21.50 - $21.50
$21.50

Product Details Rinnai Pipe Clamp Metal For Securing 3/5 Concentric Vent Systems 169043 The Rinnai 3/5 Pipe Clamp Metal 169043 is a durable meta...

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Rinnai 229320

Rinnai Polypropylene Concentric Vent Pipe Extension 2 x 4 x 39 Inches

SKU: 229320
Product ID: 60752
$46.00 - $46.00
$46.00
$46.00 - $46.00
$46.00

Product Details Rinnai Polypropylene Concentric Vent Pipe Extension 2 x 4 x 39 Inches 229320 The Rinnai 2 inch x 4 inch x 39 inch Polypropylene Co...

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Rinnai 229318

Rinnai Polypropylene Concentric Vent Pipe Extension 2 x 4 x 10 Inches

SKU: 229318
Product ID: 60751
$37.00 - $37.00
$37.00
$37.00 - $37.00
$37.00

Product Details Rinnai Polypropylene Concentric Vent Pipe Extension 2 x 4 x 10 Inches 229318 The Rinnai 2 inch x 4 inch x 10 inch Polypropylene Co...

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Rinnai 229205NPP

Rinnai Vent Elbow 2" x 4" Condensing 45-Degree 2-Pack 229205NPP

SKU: 229205NPP
Product ID: 60541
$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00

Product Details Rinnai Vent Elbow 2" x 4" Condensing 45-Degree 2-Pack 229205NPP The Rinnai 229205NPP is a 2/4-inch (60/100 mm) condensing 45-degre...

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Rinnai TRS06CXiN

Rinnai Commercial Rack System With Six Tankless Water Heater Freestanding

SKU: TRS06CXiN
Product ID: 60272
$0.00 - $0.00
$0.00
$18,720.00
$18,720.00 - $18,720.00
$18,720.00

Product Details Rinnai Commercial Rack System With Six Tankless Water Heater Freestanding TRS06CXiN This 6-Unit Freestanding Rack is designed to d...

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Rinnai RE199IN

Rinnai 199,000 BTU Water Heater Tankless Natural Gas Non-Condensing Indoor

SKU: RE199IN
Product ID: 60234
$1,280.79 - $1,280.79
$1,280.79
$1,280.79 - $1,280.79
$1,280.79

Product Details Rinnai 199,000 BTU Water Heater Tankless Natural Gas Non-Condensing Indoor RE199IN The Rinnai RE199iN combines high efficiency, co...

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Rinnai has spent more than a century refining gas and electric appliances around a single idea: deliver heat and hot water the moment they are called for, without the standby waste of older equipment. That engineering focus is why contractors reach for the brand when a job demands consistent output and a long service life, and it is the standard we hold every Rinnai product on this page to.

This collection brings the Rinnai range together in one place so you can match the right system to the property in front of you. Whether you are sizing hot water for a busy household, planning a heating retrofit, or sourcing a replacement for an aging unit, you are working with equipment built to current efficiency standards and supported the way a premium purchase should be. We treat every order as a project to get right, and our team is here when you need guidance on fit, configuration, or compatibility.

Why Choose Rinnai from HVAC Store?

•  Comprehensive warranty coverage on Rinnai equipment gives you peace of mind on every purchase.

•  Expert technical support helps you confirm sizing, fuel type, and configuration before you buy.

•  A curated Rinnai range built to the efficiency and performance standards professionals rely on.

•  Tailored guidance from a team that treats your install as a project worth getting right.

You Might Also Like

•  Tankless Water Heaters - Compare on-demand water heating across brands and BTU outputs to find the right capacity for your property.

•  Electric Heat Pump Water Heaters - See high-efficiency electric water heating that pulls ambient heat to cut energy use over a tank's lifespan.

•  Boilers - Browse residential and light commercial boilers for hydronic heating and combined heating and hot water applications.

•  Rinnai Parts - Source genuine Rinnai conversion kits, vent components, and replacement parts to service and maintain your equipment.

Best Rinnai Systems for...

High-Demand Households

The best Rinnai system for a high-demand household is a condensing tankless water heater, which delivers continuous hot water without the recovery lag of a storage tank. For homes running several fixtures at once, look to the 199,000 BTU SENSEI models for the largest draw.

Energy-Conscious Replacements

The best Rinnai option for an energy-conscious replacement is an electric heat pump water heater, which moves ambient heat into the tank instead of generating it directly. A residential heat pump model suits homes converting from older electric or gas storage tanks to lower long-term operating costs.

Hydronic and Radiant Heating

The best Rinnai equipment for hydronic and radiant heating is a gas boiler, which heats water for distribution through radiators, baseboards, or in-floor loops. Match the unit to the system's load and layout; Rinnai boilers serve both heating-only and combined heating and hot water setups.

Supplemental Room Heating

The best Rinnai choice for supplemental room heating is a direct vent wall furnace, which warms a single space without ducting and vents combustion gases straight outside. A natural gas or propane wall furnace delivers zoned warmth in additions, garages, and rooms the central system struggles to reach.

FAQ

How long does a Rinnai tankless water heater last?

A Rinnai tankless water heater typically lasts 15 to 20 years with proper installation and annual maintenance, well beyond the 10 to 12 years expected from a conventional storage tank. Lifespan depends heavily on water quality and upkeep, so annual flushing and descaling, especially in hard-water areas, is what keeps a unit performing across that span.

How often should I flush a Rinnai tankless water heater?

Flush a Rinnai tankless water heater at least once a year to clear mineral scale from the heat exchanger. Homes with hard water or heavy hot water demand benefit from more frequent flushing, while a household with soft water can often extend the interval to every two to three years. Both condensing and non-condensing models require the same annual service.

What is the difference between condensing and non-condensing Rinnai models?

Condensing Rinnai models use a second heat exchanger to capture residual heat from exhaust gas, reaching higher efficiency (UEF up to roughly 0.96 to 0.98) and allowing flexible PVC venting, but they require a condensate drain. Non-condensing models use a single heat exchanger, cost less upfront, and need metal venting. The SENSEI condensing line covers the high-efficiency end of this collection.

How do I size a Rinnai tankless water heater?

Size a Rinnai tankless water heater by adding the flow rates of the fixtures you expect to run at once, then matching that total to the model's output at your required temperature rise. A shower draws roughly 2 to 2.5 GPM, so two showers plus a sink can mean 5 GPM, and colder groundwater raises the temperature rise the unit must cover. Higher demand points toward the 199,000 BTU models.

Will a Rinnai tankless water heater work during a power outage?

No, a Rinnai tankless water heater will not operate during a power outage, because the unit relies on electronic ignition and controls to heat water on demand. Homes in outage-prone areas can pair the unit with a compatible battery backup to maintain hot water when the power is down. This applies to gas tankless models across the range.

Are Rinnai tankless water heaters worth it?

Rinnai tankless water heaters are worth it for households that want endless on-demand hot water, lower standby energy loss, and a longer service life, though they carry a higher upfront and installation cost than a storage tank. Because the unit heats water only when needed and lasts up to 20 years, the long-term value tends to favor homes with steady or high hot water use over the equipment's lifespan.

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