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Rinnai 45 Degree Elbow Polypropylene Concentric Venting System 2 Pieces

SKU: 224077PP
Product ID: 60326
Original price $70.00 - Original price $70.00
Original price
$70.00
$70.00 - $70.00
Current price $70.00

Product Details Rinnai 45 Degree Elbow Polypropylene Concentric Venting System 2 Pieces 224077PP The Rinnai 224077PP Polypropylene Concentric Ve...

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Rinnai Metal Roof Flashing For Concentric Vent Installations

SKU: 146141
Product ID: 60325
Original price $56.00 - Original price $56.00
Original price
$56.00
$56.00 - $56.00
Current price $56.00

Product Details Rinnai Metal Roof Flashing for Concentric Vent Installations 146141 The Rinnai 146141 Metal Roof Flashing is engineered for co...

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Rinnai Roof Discharge Terminal For Concentric Vent Systems

SKU: 184119
Product ID: 60323
Original price $204.00 - Original price $204.00
Original price
$204.00
$204.00 - $204.00
Current price $204.00

Product Details Rinnai Roof Discharge Terminal for Concentric Vent Systems 184119 The Rinnai 184119 Roof Discharge Terminal is designed for use...

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Rinnai White Plastic Pipe Clamp For 4" And 5" Concentric Vent Systems

SKU: 169044
Product ID: 60322
Original price $24.00 - Original price $24.00
Original price
$24.00
$24.00 - $24.00
Current price $24.00

Product Details Rinnai White Plastic Pipe Clamp For 4" And 5" Concentric Vent Systems 169044 The Rinnai 169044 White Plastic Pipe Clamp is desig...

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Rinnai 11,000 BTU Natural Gas Direct Vent Wall Furnace 128.5 CFM Beige 120V

SKU: EX11CTN
Product ID: 60321
Original price $2,216.00 - Original price $2,216.00
Original price
$2,216.00
$2,216.00 - $2,216.00
Current price $2,216.00

Product Details Rinnai 11,000 BTU Natural Gas Direct Vent Wall Furnace 128.5 CFM Beige 120V EX11CTN This direct vent wall furnace is designed t...

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Rinnai 19.5" Non-Condensing Vent Pipe Extension

SKU: 224052
Product ID: 60320
Original price $82.00 - Original price $82.00
Original price
$82.00
$82.00 - $82.00
Current price $82.00

Product Details Rinnai 19.5" Non-Condensing Vent Pipe Extension 224052 The Rinnai 224052 vent pipe extension is a 19.5-inch component designe...

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Rinnai Telescoping Vent Extension For Non-Condensing Units

SKU: 224054
Product ID: 60319
Original price $84.00 - Original price $84.00
Original price
$84.00
$84.00 - $84.00
Current price $84.00

Product Details Rinnai Telescoping Vent Extension for Non-Condensing Units 224054 The Rinnai 224054 telescoping vent pipe extension is a genuin...

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Rinnai Universal Bug Guard For Vent System

SKU: 224042
Product ID: 60318
Original price $182.00 - Original price $182.00
Original price
$182.00
$182.00 - $182.00
Current price $182.00

Product Details Rinnai Universal Bug Guard for Vent System 224042 The Rinnai 224042 bug guard is designed to protect vent terminations for all ...

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Rinnai 3"/5" Thimble Vent Accessory 1 Piece Per Box

SKU: 224045
Product ID: 60316
Original price $82.00 - Original price $82.00
Original price
$82.00
$82.00 - $82.00
Current price $82.00

Product Details Rinnai 3"/5" Thimble Vent Accessory 1 Piece Per Box 224045 The Rinnai 224045 metal thimble, manufactured by Ubbink, is designed fo...

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Rinnai 10" Vent Pipe Extension For Non-Condensing Units

SKU: 224051
Product ID: 60315
Original price $57.00 - Original price $57.00
Original price
$57.00
$57.00 - $57.00
Current price $57.00

Product Details Rinnai 10" Vent Pipe Extension for Non-Condensing Units 224051 The Rinnai 224051 10-inch vent pipe extension is designed for ...

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Rinnai Vent Support Bracket For Non-Condensing System

SKU: 224049
Product ID: 60314
Original price $59.00 - Original price $59.00
Original price
$59.00
$59.00 - $59.00
Current price $59.00

Product Details Rinnai Vent Support Bracket for Non-Condensing System 224049 The Rinnai 224049 vent pipe component is designed for use with ...

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Rinnai 39" Vent Pipe Extension For Non-Condensing Units

SKU: 224053
Product ID: 60312
Original price $89.00 - Original price $89.00
Original price
$89.00
$89.00 - $89.00
Current price $89.00

Product Details Rinnai 39" Vent Pipe Extension for Non-Condensing Units 224053 The Rinnai 224053 39-inch vent pipe extension is designed for...

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Rinnai Flashing For Metal Roof Vent System

SKU: 242141
Product ID: 60311
Original price $191.00 - Original price $191.00
Original price
$191.00
$191.00 - $191.00
Current price $191.00

Product Details Rinnai Flashing for Metal Roof Vent System 242141 The Rinnai 242141 flashing is designed for metal roof installations, prov...

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Rinnai 3"/5" Black Rubber Wall Plate For Venting

SKU: 710602
Product ID: 60310
Original price $24.00 - Original price $24.00
Original price
$24.00
$24.00 - $24.00
Current price $24.00

Product Details Rinnai 3"/5" Black Rubber Wall Plate for Venting 710602 The Rinnai 710602 black polymer decorative rubber wall plate is des...

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Rinnai 3"/5" Non-Condensing 90° Elbow Vent Connector

SKU: 224063
Product ID: 60309
Original price $72.00 - Original price $72.00
Original price
$72.00
$72.00 - $72.00
Current price $72.00

Product Details Rinnai 3"/5" Non-Condensing 90° Elbow Vent Connector 224063 The Rinnai 224063 90° pipe elbow is designed for use with Rinnai LS...

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Rinnai 3"/5" Non-Condensing Metal Condensate Collector

SKU: 224245
Product ID: 60308
Original price $108.00 - Original price $108.00
Original price
$108.00
$108.00 - $108.00
Current price $108.00

Product Details Rinnai 3"/5" Non-Condensing Metal Condensate Collector 224245 The Rinnai 224245 Condensate Collector efficiently manages conden...

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Rinnai Tile/Shingle Roof Flashing 1/12–6/12 Pitch

SKU: 50171949
Product ID: 60307
Original price $109.00 - Original price $109.00
Original price
$109.00
$109.00 - $109.00
Current price $109.00

Product Details Rinnai Tile/Shingle Roof Flashing 1/12–6/12 Pitch 50171949 This Rinnai 1/12 to 6/12 tile and shingle roof flashing assembl...

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Rinnai 3"/5" White Rubber Wall Plate For Venting

SKU: 710342
Product ID: 60306
Original price $24.00 - Original price $24.00
Original price
$24.00
$24.00 - $24.00
Current price $24.00

Product Details Rinnai 3"/5" White Rubber Wall Plate for Venting 710342 The Rinnai 710342 white polymer decorative rubber wall plate is de...

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Rinnai 21" Universal Non-Condensing Horizontal Termination Kit

SKU: 223184
Product ID: 60304
Original price $96.00 - Original price $96.00
Original price
$96.00
$96.00 - $96.00
Current price $96.00

Product Details Rinnai 21" Universal Non-Condensing Horizontal Termination Kit 223184 This optimized concentric venting kit is designed specific...

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Rinnai Condensate Trap For Non-Condensing Vent System

SKU: 222053
Product ID: 60303
Original price $76.00 - Original price $76.00
Original price
$76.00
$76.00 - $76.00
Current price $76.00

Product Details Rinnai Condensate Trap for Non-Condensing Vent System 222053 The Rinnai 222053 polymer plastic condensate trap is specifically d...

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Rinnai 21" Non-Condensing Horizontal Diverter Termination Kit W/ Elbow

SKU: 223187
Product ID: 60301
Original price $169.00 - Original price $169.00
Original price
$169.00
$169.00 - $169.00
Current price $169.00

Product Details Rinnai 21" Non-Condensing Horizontal Diverter Termination Kit W/ Elbow 223187 Rinnai’s 21" Non-Condensing Horizontal Terminatio...

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Rinnai 11.5" Horizontal Non-Condensing Vent Termination Kit W/ Elbow

SKU: 223181
Product ID: 60300
Original price $159.00 - Original price $159.00
Original price
$159.00
$159.00 - $159.00
Current price $159.00

Product Details Rinnai 11.5" Horizontal Non-Condensing Vent Termination Kit W/ Elbow 223181 This optimized concentric venting kit is designed sp...

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Rinnai 3" Polypropylene Wall Termination Vent Kit for Tankless Water Heater

SKU: 790124
Product ID: 60653
Original price $53.00 - Original price $53.00
Original price
$53.00
$53.00 - $53.00
Current price $53.00

Product Details Rinnai 3" Polypropylene Wall Termination Vent Kit for Tankless Water Heater 790124 The Rinnai 790124 Wall Termination Vent Kit i...

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Rinnai Termination Vent Kit 2" x 16" IPEX For Tankless Water Heaters

SKU: 196005PVC
Product ID: 60570
Original price $111.00 - Original price $111.00
Original price
$111.00
$111.00 - $111.00
Current price $111.00

Product Details Rinnai Termination Vent Kit 2" x 16" IPEX For Tankless Water Heaters 196005PVC The Rinnai 196005PVC is a genuine OEM concentric ve...

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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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