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Rinnai 710265

Rinnai 2/4 Rubber Wall Plate White

SKU: 710265
Product ID: 60509
$0.00 - $0.00
$0.00
$25.00
$25.00 - $25.00
$25.00

Product Details Rinnai 2/4 Rubber Wall Plate White The Rinnai 2/4 Rubber Wall Plate White is an essential component designed to provide a secure ...

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Rinnai 107000259

Rinnai Water Circulation Pump UPS15-78 HTTC For Hydronic Heating Systems

SKU: 107000259
Product ID: 60813
$419.57 - $419.57
$419.57
$419.57 - $419.57
$419.57

Product Details Rinnai Water Circulation Pump UPS15-78 HTTC For Hydronic Heating Systems 107000259 The Rinnai Water Circulation Pump UPS15-78 HTTC...

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Rinnai 104000201

Rinnai Gas Conversion Kit Propane To Natural Gas For RC98HPi And RC98HPe

SKU: 104000201
Product ID: 60812
$693.20 - $693.20
$693.20
$693.20 - $693.20
$693.20

Product Details Rinnai Gas Conversion Kit Propane To Natural Gas For RC98HPi And RC98HPe 104000201 The Rinnai Gas Conversion Kit Propane To Natura...

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Rinnai 804000028

Rinnai LPG to NG Conversion Kit For Q205S Boilers

SKU: 804000028
Product ID: 60498
$0.00 - $0.00
$0.00
$225.00
$225.00 - $225.00
$225.00

Product Details Rinnai LPG to NG Conversion Kit For Q205S Boilers 804000028 The LPG to NG Conversion Kit for Q205S is an essential accessory desi...

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Rinnai 204000026

Rinnai Conversion Kit Natural Gas For ES38 Series Wall Furnaces

SKU: 204000026
Product ID: 60811
$30.00 - $30.00
$30.00
$30.00 - $30.00
$30.00

Product Details Rinnai Conversion Kit Natural Gas For ES38 Series Wall Furnaces 204000026 The Rinnai Conversion Kit Natural Gas For ES38 Series Wa...

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Rinnai 804000029

Rinnai LP to NG Conversion Kit For Q175C Tankless Water Heater

SKU: 804000029
Product ID: 60494
$0.00 - $0.00
$0.00
$99.00
$99.00 - $99.00
$99.00

Product Details Rinnai LP to NG Conversion Kit For Q175C Tankless Water Heater 804000029 The Rinnai LP to NG Conversion Kit for Q175C is a highly...

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Rinnai 103000056

Rinnai Conversion Kit LP To NG For RUR160iE RUR199i Tankless Water Heaters

SKU: 103000056
Product ID: 60692
$54.00 - $54.00
$54.00
$54.00 - $54.00
$54.00

Product Details Rinnai Conversion Kit LP To NG For RUR160iE RUR199i Tankless Water Heaters 103000056 The Rinnai 103000056 Gas Conversion Kit is...

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Rinnai 103000054

Rinnai Conversion Kit NG To LP For RUR160i Tankless Water Heater

SKU: 103000054
Product ID: 60691
$80.00 - $80.00
$80.00
$80.00 - $80.00
$80.00

Product Details Rinnai Conversion Kit NG To LP For RUR160i Tankless Water Heater 103000054 The Rinnai 103000054 Gas Conversion Kit is a genuin...

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Rinnai 209000109

Rinnai Back Spacer Top B Wall Clearance For Direct Vent Wall Furnaces

SKU: 209000109
Product ID: 60810
$47.30 - $47.30
$47.30
$47.30 - $47.30
$47.30

Product Details Rinnai Back Spacer Top B Wall Clearance For Direct Vent Wall Furnaces 209000109 The Rinnai Back Spacer Top B Wall Clearance For Di...

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Rinnai 103000053

Rinnai Conversion Kit LP To NG For RUR160i Tankless Water Heater

SKU: 103000053
Product ID: 60690
$80.00 - $80.00
$80.00
$80.00 - $80.00
$80.00

Product Details Rinnai Conversion Kit LP To NG For RUR160i Tankless Water Heater 103000053 The Rinnai 103000053 Gas Conversion Kit is a genuine...

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Rinnai 105000214

Rinnai Thermal Fuse Harness KCM Overheat Protection For Tankless Heaters

SKU: 105000214
Product ID: 60809
$47.53 - $47.53
$47.53
$47.53 - $47.53
$47.53

Product Details Rinnai Thermal Fuse Harness KCM Overheat Protection For Tankless Heaters 105000214 The Rinnai Thermal Fuse Harness KCM Overheat Pr...

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Rinnai 791008PPS

Rinnai 8" CVent Starter Kit For Inline & Back-to-Back System Installation

SKU: 791008PPS
Product ID: 60481
$0.00 - $0.00
$0.00
$250.00
$250.00 - $250.00
$250.00

Product Details Rinnai 8" CVent Starter Kit for Inline & Back-to-Back System Installation 791008PPS The Rinnai 8" CVent Starter Kit for Inlin...

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Rinnai 109000792

Rinnai Screw Cover For V Series V65 V75 And V94 Tankless Water Heaters

SKU: 109000792
Product ID: 60808
$44.60 - $44.60
$44.60
$44.60 - $44.60
$44.60

Product Details Rinnai Screw Cover For V Series V65 V75 And V94 Tankless Water Heaters 109000792 The Rinnai Screw Cover For V Series V65 V75 And V...

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Rinnai 791012PPS

Rinnai 8" Cvent Inline Kit Exhaust For Single Unit Tankless Water Heater

SKU: 791012PPS
Product ID: 60480
$0.00 - $0.00
$0.00
$450.00
$450.00 - $450.00
$450.00

Product Details Rinnai 8" Cvent Inline Kit Exhaust For Single Unit Tankless Water Heater 791012PPS The Rinnai 8" CVent Inline Kit Exhaust is a hi...

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Rinnai 791010PPS

Rinnai 8" CVent Back-to-Back Kit Exhaust & Intake For 2 Units Water Heater

SKU: 791010PPS
Product ID: 60479
$0.00 - $0.00
$0.00
$1,175.00
$1,175.00 - $1,175.00
$1,175.00

Product Details Rinnai 8" CVent Back-to-Back Kit Exhaust & Intake for 2 Units Water Heater 791010PPS The Rinnai 8" CVent Back-to-Back Kit Exh...

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Rinnai 103000052

Rinnai Conversion Kit NG To LP For RUR160i Tankless Water Heater

SKU: 103000052
Product ID: 60689
$80.00 - $80.00
$80.00
$80.00 - $80.00
$80.00

Product Details Rinnai Conversion Kit NG To LP For RUR160i Tankless Water Heater 103000052 The Rinnai 103000052 Gas Conversion Kit is a genuine...

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Rinnai 109000230

Rinnai Screw Cover RU80 RU98 RUC98 And RUR98i Tankless Water Heaters

SKU: 109000230
Product ID: 60807
$30.00 - $30.00
$30.00
$30.00 - $30.00
$30.00

Product Details Rinnai Screw Cover For RU80 RU98 RUC98 And RUR98i Tankless Water Heaters 109000230 The Rinnai Screw Cover For RU80 RU98 RUC98 And ...

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Rinnai 105000237

Rinnai Commercial PC Board Assembly Main Control Board For CU Series SENSEI

SKU: 105000237
Product ID: 60806
$362.80 - $362.80
$362.80
$362.80 - $362.80
$362.80

Product Details Rinnai Commercial PC Board Assembly Main Control Board For CU Series SENSEI 105000237 The Rinnai Commercial PC Board Assembly Main...

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Rinnai 105000249

Rinnai Remote Control Harness For SENSEI And RE Series Tankless Heaters

SKU: 105000249
Product ID: 60805
$28.00 - $28.00
$28.00
$28.00 - $28.00
$28.00

Product Details Rinnai Remote Control Harness For SENSEI And RE Series Tankless Heaters 105000249 The Rinnai Remote Control Harness For SENSEI And...

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Rinnai 103000082

Rinnai Conversion Kit LP And NG For SENSEI RU130i Tankless Water Heaters

SKU: 103000082
Product ID: 60635
$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00

Product Details Rinnai Conversion Kit LP And NG For SENSEI RU130i Tankless Water Heaters 103000082 The Rinnai 103000082 is a genuine OEM gas conve...

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Rinnai 103000080

Rinnai Conversion Kit LP And NG For SENSEI RU160i Tankless Water Heaters

SKU: 103000080
Product ID: 60633
$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00

Product Details Rinnai Conversion Kit LP And NG For SENSEI RU160i Tankless Water Heaters 103000080 The Rinnai 103000080 is a genuine OEM gas conve...

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Rinnai 103000079

Rinnai Conversion Kit LP And NG For SENSEI Outdoor Tankless Water Heaters

SKU: 103000079
Product ID: 60632
$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00

Product Details Rinnai Conversion Kit LP And NG For SENSEI Outdoor Tankless Water Heaters 103000079 The Rinnai 103000079 is a genuine OEM gas conv...

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Rinnai 103000078

Rinnai Conversion Kit LP And NG For SENSEI Indoor Tankless Water Heaters

SKU: 103000078
Product ID: 60631
$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00

Product Details Rinnai Conversion Kit LP And NG For SENSEI Indoor Tankless Water Heaters 103000078 The Rinnai 103000078 is a genuine OEM gas conve...

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Rinnai 103000077

Rinnai Gas Conversion Kit LP And NG For SENSEI Outdoor Models 103000077

SKU: 103000077
Product ID: 60630
$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00

Product Details Rinnai Gas Conversion Kit LP And NG For SENSEI Outdoor Models 103000077 The Rinnai 103000077 is a genuine OEM gas conversion kit s...

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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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