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Rinnai offers the quality and reliability that is built on a 45 year history of innovation and improvements. Rinnai commands quality through in-house design, engineering and manufacturing.

At Rinnai, they are fiercely committed to delivering nothing less than their absolute best. Their passion for constant improvement drives them to create incredibly innovative water heating and home heating gas appliances for both residential and commercial applications. As a result, their products have continued to lead the industry. In fact, sophisticated, efficient performance makes Rinnai Tankless Water Heaters some of the best tankless water heaters on the market.

Throughout the world, the Rinnai standards for quality remain unsurpassed. All factories are ISO 9001 and/or ISO 14001 certified. All products distributed in North America have been approved by the Canada Standards Association (CSA) and adhere to the strict standards of American National Standards Institute (ANSI).
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Water Filter Assembly
Water Filter Assembly
SKU: H98-510-S
Rinnai
SKU: H98-510-S
Brand: Rinnai
(121)
$6.78 each
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39" Vent Pipe Extension (Non-Condensing)
39" Vent Pipe Extension (Non-Condensing)
SKU: 224053
Rinnai
SKU: 224053
Brand: Rinnai
(27)
$43.39 each
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Flame Rod/Electrode Kit (VC)
Flame Rod/Electrode Kit (VC)
SKU: 104000240
Rinnai
SKU: 104000240
Brand: Rinnai
(14)
$65.42 each
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10" Non-Condensing Vent Pipe Extension
10" Non-Condensing Vent Pipe Extension
SKU: 224051
Rinnai
SKU: 224051
Brand: Rinnai
(13)
$34.68 each
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21" Horizontal Non-Condensing Vent Termination Kit w/ Elbow
$94.84 each
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19.5" Non-Condensing Vent Pipe Extension
19.5" Non-Condensing Vent Pipe Extension
SKU: 224052
Rinnai
SKU: 224052
Brand: Rinnai
(8)
$45.80 each
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White Controller
White Controller
SKU: MC-601-W
Rinnai
SKU: MC-601-W
Brand: Rinnai
(15)
$105.67 each
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Female Iron Pipe Tankless Water Heater Installation Isolation Valve Kit (Lead Free)
$117.99 each
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Condensate Neutralizer Kit (All Models)
Condensate Neutralizer Kit (All Models)
SKU: 804000074
Rinnai
SKU: 804000074
Brand: Rinnai
(17)
$97.14 each
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Flame Rod Electrode Kit for R75/94/RC80/98
Flame Rod Electrode Kit for R75/94/RC80/98
SKU: 104000192-K
Rinnai
SKU: 104000192-K
Brand: Rinnai
(7)
$27.43 each
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Electrode, Flame Rod, & Gasket Kit
Electrode, Flame Rod, & Gasket Kit
SKU: 104000011-K
Rinnai
SKU: 104000011-K
Brand: Rinnai
(56)
$20.51 each
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Control-R Wi-Fi Module
Control-R Wi-Fi Module
SKU: RWM101
Rinnai
SKU: RWM101
Brand: Rinnai
(31)
$163.29 each
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11.5" Horizontal Non-Condensing Vent Termination Kit w/ Elbow
$79.99 each
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90° Non-Condensing Vent Pipe Elbow
90° Non-Condensing Vent Pipe Elbow
SKU: 224063
Rinnai
SKU: 224063
Brand: Rinnai
(11)
$43.69 each
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18" Vertical Roof Discharge Termination (above roof)
$68.54 each
Get 162 by Fri, Feb 23
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Condensate Neutralizer Refill (All Models)
Condensate Neutralizer Refill (All Models)
SKU: 809000114
Rinnai
SKU: 809000114
Brand: Rinnai
(10)
$34.77 each
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45° Non-Condensing Vent Pipe Elbows (2 Pack)
$54.99 each
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Shingle Roof Flashing (1/12 to 6/12 Pitch)
$52.13 each
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Remote Control Harness
Remote Control Harness
SKU: 105000249
Rinnai
SKU: 105000249
Brand: Rinnai
(4)
$8.92 each
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24-Hour Digital Controller
24-Hour Digital Controller
SKU: MC-195T-US
Rinnai
SKU: MC-195T-US
Brand: Rinnai
(15)
$203.71 each
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Pump Harness
Pump Harness
SKU: 105000250
Rinnai
SKU: 105000250
Brand: Rinnai
(4)
$13.26 each
Get 14 by Fri, Feb 23
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Condensate Collector
Condensate Collector
SKU: 222053
Rinnai
SKU: 222053
Brand: Rinnai
(15)
$37.91 each
Get 19 by Fri, Feb 23
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Fan Motor All Assembly for RL75/94e (VC)
Fan Motor All Assembly for RL75/94e (VC)
SKU: 104000241-K
Rinnai
SKU: 104000241-K
Brand: Rinnai
(16)
$80.75 each
Get 25 by Fri, Feb 23
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RU199IN 199,000 BTU Super High Efficiency Condensing Indoor Tankless Water Heater (Natural Gas)
$1,425.16 each
Get 67 by Fri, Feb 23
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Filter & Sort
2,925 items
Reset

SORT

Top Sellers
Default
Price ▲
Price ▼

Product Availability

Show In Stock Only (476)

Product Type

Air Handler (10)
Boiler (7)
Boiler Part (213)
Condensate Part (2)
Control Module (8)
Conversion Kit (62)
Gasket (2)
Heat Exchanger (2)
Heating Part (81)
Miscellaneous (1)
See More

Fuel Type

Natural Gas (48)
Propane (41)

Installation Type

Indoor Only (40)
Outdoor Only (31)

BTU Input

100,000+ (5)

Energy Factor

0.80 - 0.85 (18)
0.90 - 0.95 (34)
0.95+ (22)

Energy Star Rated

No (27)
Yes (33)

Price Range

Under $1 (167)
$1 to $5 (439)
$5 to $10 (353)
$10 to $15 (253)