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Rinnai 804000072

Rinnai Side Mount Low Loss Header Kit Left For Q85 & Q130 Boilers

SKU: 804000072
Product ID: 60497
$0.00 - $0.00
$0.00
$292.00
$292.00 - $292.00
$292.00

Product Details Rinnai Side Mount Low Loss Header Kit Left For Q85 & Q130 Boilers 804000072 The Side Mount Low Loss Header Kit (Q85, Q130) is...

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Rinnai 804000073

Rinnai Side Mount Low Loss Header Kit For Q175 & Q205 Boilers

SKU: 804000073
Product ID: 60496
$0.00 - $0.00
$0.00
$793.00
$793.00 - $793.00
$793.00

Product Details Rinnai Side Mount Low Loss Header Kit For Q175 & Q205 Boilers 804000073 The Side Mount Low Loss Header Kit (Q175, Q205) is an...

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Rinnai 804000082

Rinnai Conversion Kit NG to LPG For QP85N Premier Boilers

SKU: 804000082
Product ID: 60495
$0.00 - $0.00
$0.00
$99.00
$99.00 - $99.00
$99.00

Product Details Rinnai Conversion Kit NG to LPG For QP85N Premier Boilers 804000082 Upgrade your heating system with the Rinnai 804000082 Conver...

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Rinnai 804000080

Rinnai Pre-bend Connect Kit Right For Q Premier

SKU: 804000080
Product ID: 60493
$0.00 - $0.00
$0.00
$500.00
$500.00 - $500.00
$500.00

Product Details Rinnai Pre-bend Connect Kit Right for Q Premier 804000080 The Rinnai Pre-bend Connect Kit Right for Q Premier is an essential acc...

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Rinnai 804000071

Rinnai Side Mount For Low Loss Header Kit E75C E110C

SKU: 804000071
Product ID: 60492
$0.00 - $0.00
$0.00
$225.00
$225.00 - $225.00
$225.00

Product Details Side Mount Low Loss Header Kit E Series 804000071 The Side Mount Low Loss Header Kit (E Series) is an innovative solution designe...

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Rinnai FOT-142

Rinnai Elbow Cover Kit B FOT-142

SKU: FOT-142
Product ID: 60627
$200.34 - $200.34
$200.34
$200.34 - $200.34
$200.34

Product Details Rinnai Elbow Cover Kit B FOT-142 The Rinnai FOT-142 is a genuine OEM elbow cover accessory designed for Rinnai EnergySaver® Direct...

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Rinnai FOT-141

Rinnai Straight Pipe Cover Kit B FOT-141

SKU: FOT-141
Product ID: 60626
$281.96 - $281.96
$281.96
$281.96 - $281.96
$281.96

Product Details Rinnai Straight Pipe Cover Kit B FOT-141 The Rinnai FOT-141 is a genuine OEM straight pipe cover designed for Rinnai EnergySaver® ...

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Rinnai FOT-140

Rinnai Manifold Cover Kit B FOT-140

SKU: FOT-140
Product ID: 60625
$326.48 - $326.48
$326.48
$326.48 - $326.48
$326.48

Product Details Rinnai Manifold Cover Kit B FOT-140 The Rinnai FOT-140 is a genuine OEM manifold cover accessory designed for Rinnai EnergySaver® ...

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Rinnai FOT-134

Rinnai Elbow Cover Kit A FOT-134

SKU: FOT-134
Product ID: 60624
$212.00 - $212.00
$212.00
$212.00 - $212.00
$212.00

Product Details Rinnai Elbow Cover Kit A FOT-134 The Rinnai FOT-134 is a genuine OEM elbow cover accessory designed for Rinnai EnergySaver® Direct...

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Rinnai FOT-133

Rinnai Straight Pipe Cover Kit A FOT-133

SKU: FOT-133
Product ID: 60623
$467.46 - $467.46
$467.46
$467.46 - $467.46
$467.46

Product Details Rinnai Straight Pipe Cover Kit A FOT-133 The Rinnai FOT-133 is a genuine OEM straight pipe cover designed for Rinnai EnergySaver® ...

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Rinnai FOT-132

Rinnai Manifold Top Cover A FOT-132

SKU: FOT-132
Product ID: 60622
$345.56 - $345.56
$345.56
$345.56 - $345.56
$345.56

Product Details Rinnai Manifold Top Cover A FOT-132 The Rinnai FOT-132 is a genuine OEM accessory designed for Rinnai EnergySaver® Direct Vent Wal...

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Rinnai 808000023

Rinnai Concentric Flue Adapter 3" x 5" 808000023

SKU: 808000023
Product ID: 60621
$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00

Product Details Rinnai Concentric Flue Adapter 3" x 5" 808000023 The Rinnai 808000023 is a specialized OEM venting accessory designed to adapt the...

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Rinnai 805000040

Rinnai Flue Gas Sensor With Cable 805000040

SKU: 805000040
Product ID: 60620
$101.00 - $101.00
$101.00
$101.00 - $101.00
$101.00

Product Details Rinnai Flue Gas Sensor With Cable 805000040 The Rinnai 805000040 is a genuine OEM replacement flue gas sensor designed to monitor ...

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Rinnai 804000091

Rinnai Conversion Kit Natural Gas To Liquid Propane For Q205S Boilers

SKU: 804000091
Product ID: 60619
$208.00 - $208.00
$208.00
$208.00 - $208.00
$208.00

Product Details Rinnai Conversion Kit Natural Gas to Liquid Propane For Q205S Boilers 804000091 The Rinnai 804000091 is a genuine OEM gas conversi...

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Rinnai 804000090

Rinnai Conversion Kit Natural Gas To Liquid Propane For Q175C Boilers

SKU: 804000090
Product ID: 60618
$262.00 - $262.00
$262.00
$262.00 - $262.00
$262.00

Product Details Rinnai Conversion Kit Natural Gas to Liquid Propane For Q175C Boilers 804000090 The Rinnai 804000090 is a genuine OEM gas conversi...

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Rinnai 804000089

Rinnai Conversion Kit Natural Gas To Liquid Propane For Q175S Boilers

SKU: 804000089
Product ID: 60617
$208.00 - $208.00
$208.00
$208.00 - $208.00
$208.00

Product Details Rinnai Conversion Kit Natural Gas to Liquid Propane For Q175S Boilers 804000089 The Rinnai 804000089 is a genuine OEM gas conversi...

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Rinnai 807000213

Rinnai Heating Kit Primary-Secondary for Boilers i060S i090S i120S i150S

SKU: 807000213
Product ID: 60668
$491.00 - $491.00
$491.00
$491.00 - $491.00
$491.00

Product Details Rinnai Heating Kit Primary-Secondary for Boilers i060S i090S i120S i150S 807000213 Upgrade your hydronic heating system wit...

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Rinnai 807000212

Rinnai Heating Kit Primary-Secondary for Combi Boilers i060C i090C i120C

SKU: 807000212
Product ID: 60667
$437.00 - $437.00
$437.00
$437.00 - $437.00
$437.00

Product Details Rinnai Heating Kit Primary-Secondary for Combi Boilers i060C i090C i120C 807000212 Upgrade and optimize your hydronic heati...

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Rinnai 804000013

Rinnai 3 Way Diverter Valve Kit Q85S and Q130S

SKU: 804000013
Product ID: 60412
$161.00 - $161.00
$161.00
$161.00 - $161.00
$161.00

Product Details Rinnai 3 Way Diverter Valve Kit Q85S and Q130S 804000013 The Rinnai 3 Way Diverter Valve Kit is specifically designed for use wit...

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Rinnai 804000014

Rinnai 3 Way Diverter Valve Kit Q175S and Q205S

SKU: 804000014
Product ID: 60420
$363.00 - $363.00
$363.00
$363.00 - $363.00
$363.00

Product Details Rinnai 3 Way Diverter Valve Kit for Q175S and Q205S 804000014 The Rinnai 3 Way Diverter Valve Kit is designed for use with Rinnai...

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Rinnai 803000011

Rinnai RS100 Room Controller Compatible With Rinnai Boilers Programmable

SKU: 803000011
Product ID: 60413
$520.00 - $520.00
$520.00
$520.00 - $520.00
$520.00

Product Details RS100 Room Controller The RS100 Room Controller is specifically designed to work with Rinnai E, Q, and QP Boilers, providing seaml...

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Rinnai EX38DTP

Rinnai 36,500 BTU Propane Direct Vent Wall Furnace Beige 117W 263 CFM 120V

SKU: EX38DTP
Product ID: 60217
$2,935.80 - $2,935.80
$2,935.80
$2,935.80 - $2,935.80
$2,935.80

Product Details Rinnai 36,500 BTU Propane Direct Vent Wall Furnace Beige 117W 263 CFM 120V EX38DTP This direct vent wall furnace provides depen...

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Rinnai EX38DTN

Rinnai 38,400 BTU Natural Gas Direct Vent Wall Furnace Beige 263 CFM 120V

SKU: EX38DTN
Product ID: 60216
$2,935.80 - $2,935.80
$2,935.80
$2,935.80 - $2,935.80
$2,935.80

Product Details Rinnai 38,400 BTU Natural Gas Direct Vent Wall Furnace Beige 263 CFM 120V EX38DTN This direct vent wall furnace provides consist...

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Rinnai EX22DTN

Rinnai 21,500 BTU Natural Gas Direct Vent Wall Furnace Beige 162.7 CFM 120V

SKU: EX22DTN
Product ID: 60213
$2,465.40 - $2,465.40
$2,465.40
$2,465.40 - $2,465.40
$2,465.40

Product Details Rinnai 21,500 BTU Natural Gas Direct Vent Wall Furnace Beige 162.7 CFM 120V EX22DTN This direct vent wall furnace provides cons...

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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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