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Air Handler (9)
Boiler (19)
Boiler Part (223)
Boiler Venting (1)
Burner Part (5)
Circuit Board (5)
Commercial Heater (9)
Condensate Part (2)
Control Board (1)
Control Module (5)

Fuel Type

Electric (3)
Natural Gas (46)
Propane (41)

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Indoor Only (13)
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Outdoor Only (10)

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50,000 - 60,000 (2)
60,000 - 70,000 (2)
80,000 - 90,000 (3)
90,000 - 100,000 (3)
100,000+ (11)

Energy Factor

0.80 - 0.85 (20)
0.90 - 0.95 (4)
0.95+ (14)

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Yes (19)

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$1 to $5 (382)
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$10 to $15 (201)
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$30 to $35 (95)
$35 to $40 (76)
$40 to $45 (62)

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Product Image of Truss Screw, CP-30580-JW
Truss Screw, CP-30580-JW
SKU: CP-30580-JW
Rinnai
SKU: CP-30580-JW
Brand: Rinnai
$0.44 each
In Stock
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Product Image of Slide Tube for 431FA/431Wta/556FA
Slide Tube for 431FA/431Wta/556FA
SKU: RHF250-148-2
Rinnai
SKU: RHF250-148-2
Brand: Rinnai
$48.15 each
In Stock
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Product Image of Screw, ZBA0512UK
Screw, ZBA0512UK
SKU: ZBA0512UK
Rinnai
SKU: ZBA0512UK
Brand: Rinnai
$0.51 each
In Stock
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Product Image of Domestic Priority/Maintenance Indication Switch, REU-OPU3
$87.87 each
In Stock
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Product Image of Wall Bracket, 1004F-825
Wall Bracket, 1004F-825
SKU: 1004F-825
Rinnai
SKU: 1004F-825
Brand: Rinnai
$12.75 each
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Product Image of Retrofit Wall Plate (Gray)
Retrofit Wall Plate (Gray)
SKU: 188486
Rinnai
SKU: 188486
Brand: Rinnai
$11.58 each
In Stock
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Product Image of Ring(157)551FA/431FA/263FA/431Wta/556FA, 302F-1206
$1.18 each
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Product Image of 3" IPEX Low Profile PVC Termination
3" IPEX Low Profile PVC Termination
SKU: 196985PVC
Rinnai
SKU: 196985PVC
Brand: Rinnai
$122.22 each
In Stock
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Product Image of 2/4 Condensing 90-Degree Diverter Nose
2/4 Condensing 90-Degree Diverter Nose
SKU: 710202NPP
Rinnai
SKU: 710202NPP
Brand: Rinnai
$23.91 each
In Stock
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Product Image of Pump UPER 20-78 120V, 807000127
Pump UPER 20-78 120V, 807000127
SKU: 807000127
Rinnai
SKU: 807000127
Brand: Rinnai
$491.97 each
In Stock
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Product Image of 2"/4" Condensing 90° Elbow
2"/4" Condensing 90° Elbow
SKU: 229230NPP
Rinnai
SKU: 229230NPP
Brand: Rinnai
$30.77 each
In Stock
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Product Image of Plumbing Kit for M Series Boilers, 803000023
Plumbing Kit for M Series Boilers, 803000023
SKU: 803000023
Rinnai
SKU: 803000023
Brand: Rinnai
(7)
$284.59 each
In Stock
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Product Image of NG to LP Conversion Kit for R94LSi-VB, 104000179
NG to LP Conversion Kit for R94LSi-VB, 104000179
SKU: 104000179
Rinnai
SKU: 104000179
Brand: Rinnai
(1)
$85.97 each
In Stock
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Product Image of 2"/4" Condensing Horizontal Starter Adapter
2"/4" Condensing Horizontal Starter Adapter
SKU: 229253NPP
Rinnai
SKU: 229253NPP
Brand: Rinnai
$32.76 each
In Stock
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Product Image of PC Board, 105000298
PC Board, 105000298
SKU: 105000298
Rinnai
SKU: 105000298
Brand: Rinnai
$316.19 each
In Stock
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Product Image of O-Ring 13, 94X2, 62 DE-AER. (2/pack), 809000028
$9.99 each
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Product Image of Burner Cassette Set OSS1, 806000010
Burner Cassette Set OSS1, 806000010
SKU: 806000010
Rinnai
SKU: 806000010
Brand: Rinnai
$249.51 each
In Stock
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Product Image of Check valve, 107000134
Check valve, 107000134
SKU: 107000134
Rinnai
SKU: 107000134
Brand: Rinnai
$6.20 each
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Product Image of Electrode Packing, HTT, 109000098
Electrode Packing, HTT, 109000098
SKU: 109000098
Rinnai
SKU: 109000098
Brand: Rinnai
$4.85 each
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Product Image of Front Panel for EX22C/EX17C (Beige)
Front Panel for EX22C/EX17C (Beige)
SKU: 209000106
Rinnai
SKU: 209000106
Brand: Rinnai
$57.53 each
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Product Image of Condensate Tray OSS3/4, 809000043
Condensate Tray OSS3/4, 809000043
SKU: 809000043
Rinnai
SKU: 809000043
Brand: Rinnai
$169.61 each
In Stock
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Product Image of Gas Control Assembly for EX38C
Gas Control Assembly for EX38C
SKU: 206000051
Rinnai
SKU: 206000051
Brand: Rinnai
$69.95 each
In Stock
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Product Image of LP to NG Conversion Kit for RUCS75i, 103000059
LP to NG Conversion Kit for RUCS75i, 103000059
SKU: 103000059
Rinnai
SKU: 103000059
Brand: Rinnai
(1)
$57.84 each
In Stock
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Product Image of Lip-Ring 80 Amgas, Gasket, 809000039
Lip-Ring 80 Amgas, Gasket, 809000039
SKU: 809000039
Rinnai
SKU: 809000039
Brand: Rinnai
$38.66 each
In Stock
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Product Image of Set Insolation Pipe Plate L&R, 809000036
Set Insolation Pipe Plate L&R, 809000036
SKU: 809000036
Rinnai
SKU: 809000036
Brand: Rinnai
$41.62 each
In Stock
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Product Image of Secondary Connecting Pipe Assembly, 107000272
Secondary Connecting Pipe Assembly, 107000272
SKU: 107000272
Rinnai
SKU: 107000272
Brand: Rinnai
$40.01 each
In Stock
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Product Image of Combust Chamb Sight Glass Plate, 109000168
Combust Chamb Sight Glass Plate, 109000168
SKU: 109000168
Rinnai
SKU: 109000168
Brand: Rinnai
$8.06 each
Backorder
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Product Image of Thermistor Assembly, RC-361-140-4
Thermistor Assembly, RC-361-140-4
SKU: RC-361-140-4
Rinnai
SKU: RC-361-140-4
Brand: Rinnai
$7.45 each
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Product Image of Manifold Assembly, 106000014
Manifold Assembly, 106000014
SKU: 106000014
Rinnai
SKU: 106000014
Brand: Rinnai
$79.22 each
Backorder
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Product Image of Cap, 109000171
Cap, 109000171
SKU: 109000171
Rinnai
SKU: 109000171
Brand: Rinnai
$3.60 each
Backorder
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Product Image of Combustion Check Valve Assembly, 107000262
Combustion Check Valve Assembly, 107000262
SKU: 107000262
Rinnai
SKU: 107000262
Brand: Rinnai
$16.68 each
Backorder
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Product Image of Front Panel Assembly B, EX38C, 209000140
Front Panel Assembly B, EX38C, 209000140
SKU: 209000140
Rinnai
SKU: 209000140
Brand: Rinnai
$60.55 each
Backorder
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Product Image of NG Conversion Kit for 556FA-3, 556F-2004-2
NG Conversion Kit for 556FA-3, 556F-2004-2
SKU: 556F-2004-2
Rinnai
SKU: 556F-2004-2
Brand: Rinnai
$16.76 each
In Stock
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Product Image of 3 Way Valve Actuator VC6940, 805000031
3 Way Valve Actuator VC6940, 805000031
SKU: 805000031
Rinnai
SKU: 805000031
Brand: Rinnai
$501.86 each
In Stock
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Product Image of Pipe Cover Enclosure For RUCS75 and RUCS65, PCD07-EW
$258.80 each
In Stock
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Product Image of Cold Weather Kit for RE, RECOLDKIT
Cold Weather Kit for RE, RECOLDKIT
SKU: RECOLDKIT
Rinnai
SKU: RECOLDKIT
Brand: Rinnai
$696.61 each
In Stock
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Product Image of PC Board Assembly for EX38C
PC Board Assembly for EX38C
SKU: 205000080
Rinnai
SKU: 205000080
Brand: Rinnai
$182.82 each
In Stock
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Product Image of Back Spacer Left G, EX38C, 209000155
Back Spacer Left G, EX38C, 209000155
SKU: 209000155
Rinnai
SKU: 209000155
Brand: Rinnai
$22.95 each
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Product Image of Combustion Fan Assembly, 108000081
Combustion Fan Assembly, 108000081
SKU: 108000081
Rinnai
SKU: 108000081
Brand: Rinnai
$348.52 each
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Product Image of Flame Rod Packing, 554F-148
Flame Rod Packing, 554F-148
SKU: 554F-148
Rinnai
SKU: 554F-148
Brand: Rinnai
$1.04 each
In Stock
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Product Image of Thermistor Lead Assembly for 1004FA
Thermistor Lead Assembly for 1004FA
SKU: 1004F-2057
Rinnai
SKU: 1004F-2057
Brand: Rinnai
$48.15 each
In Stock
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Product Image of PC Board kit, 104000264
PC Board kit, 104000264
SKU: 104000264
Rinnai
SKU: 104000264
Brand: Rinnai
$171.90 each
In Stock
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Product Image of Back Spacer (R) B EX22C/EX17C, 209000111
Back Spacer (R) B EX22C/EX17C, 209000111
SKU: 209000111
Rinnai
SKU: 209000111
Brand: Rinnai
$24.89 each
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Product Image of Packing, 109000264
Packing, 109000264
SKU: 109000264
Rinnai
SKU: 109000264
Brand: Rinnai
$9.99 each
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Product Image of Combustion Fan Assembly for 431 & 556
Combustion Fan Assembly for 431 & 556
SKU: 556F-416-A
Rinnai
SKU: 556F-416-A
Brand: Rinnai
$91.16 each
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Product Image of Flame Rod, 105000294
Flame Rod, 105000294
SKU: 105000294
Rinnai
SKU: 105000294
Brand: Rinnai
$9.94 each
In Stock
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Product Image of Transformer for EX17, EX22C/W
Transformer for EX17, EX22C/W
SKU: 205000049
Rinnai
SKU: 205000049
Brand: Rinnai
$52.66 each
Backorder
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Product Image of Gasket Fan/Top Part Heat Exchanger, 809000016
Gasket Fan/Top Part Heat Exchanger, 809000016
SKU: 809000016
Rinnai
SKU: 809000016
Brand: Rinnai
$18.23 each
In Stock
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In Stock
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More About Rinnai
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).