RUCS75iN RUCS Model Series
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Enjoy an endless supply of hot water with the RUCS75iN, our Super-High Efficiency condensing natural gas tankless water heater from Rinnail. Only the size of a small suitcase, the RUCS75iN is compact, easy-to-install and perfect for indoor locations.
- Uniform Energy Factor (UEF): 0.9
- 10,300 BTU (minimum)
160,000 BTU (maximum)
- Indoor
- Warranty
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Up to twice the lifespan of most tanks
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Never run out of hot water
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Compact size to fit every space
Specifications
| Product Depth | 10.1 in / (257 mm) |
|---|---|
| Product Height | 31.1 in / (789.6 mm) |
| Product Width | 18.5 in / (470 mm) |
| Product Weight | 57.3 lb / (26 kg) |
| Gas Type | Natural Gas |
| Installation Type | Indoor |
| Residential ENERGY STAR® | Yes |
| Uniform Energy Factor (UEF) | 0.9 |
| Domestic Hot Water Flow Rate (Maximum) | 7.5 GPM / (28.4 l/min) |
| SCAQMD Approved | Ultra Low NOx |
Documentation
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AHRICertificate-RUCS75iPDF 222 KBManufacturer's_Certification_Statement_-_Rinnai_2015-2016PDF 327 KB
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S-BMS/Air Handler Switch Installation InstructionsPDF 3 MB
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Energy Guide-RUCS75iNPDF 893 KB
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100000384-KCM Series Installation and Operation ManualPDF 7 MBTroubleshooting TWH Diagnostic Codes-FrenchPDF 2 MBTroubleshooting TWH Diagnostic Codes-SpanishPDF 2 MB
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Tankless Water Heaters - Trade Brochure - EnglishPDF 33 MBWater_Heating_Solutions_Consumer_Brochure.pdfPDF 26 MBWater_Heating_Solutions_Trade_Brochure.pdfPDF 33 MB
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100000894 Water Heater Isolation Valves and PRV Kit.pdfPDF 670 KBPCD07-EW-SP-Ultra Pipe Cover Specification SheetPDF 374 KBRUCS75i %28KCM2528FFU-US%29 SPPDF 361 KBRUCS75i Indoor Condensing Tankless Water Heater Spec SheetPDF 597 KBUBBINK Vent Spec Sheet - RU/CU/RURPDF 667 KB
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MSDS Higher Vinegar Concentration for Descaling Technical BulletinsPDF 417 KBTB-150 Understanding EF and UEFPDF 197 KBTB-165 New Clearances for Twin Pipe Venting SystemsPDF 308 KBTech Bulletin No 115: Condensing Water Heater Combustion Air Intake Pipe Material (TB-115)PDF 230 KBTech Bulletin No 117: IPEX Concentric Vent Termination (TB-117)PDF 311 KBTech Bulletin No 121: Activation Flow Rates at Higher Temperatures (TB-121)PDF 308 KBTech Bulletin No 122: New Condensing Tankless Venting Options (TB-122)PDF 263 KBTech Bulletin No 130: Battery Backup for Tankless Water Heaters and Home Heating Products (TB-130)PDF 285 KBTech Bulletin No 167: Control-R Not Compatible with RUCS-RUS KCM Water Heaters (TB-167)PDF 360 KBTech Bulletin No 172: Rinnai Natural Gas-Hydrogen Fuel Mixture Products (TB-172)PDF 279 KB
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TWH Troubleshooting Technical Data SheetPDF 2 MBU328-0710(00)-RUCS75i RUCS65i RUS75e RUS65e KCM Tech SheetPDF 779 KB
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System Design Drawing: Rinnai Tankless Single Unit with Air HandlerPDF 719 KBSystem Design Drawing: Rinnai Tankless Single Unit with Air Handler (CAD format)CAD 435 KBSystem Design Drawing: Rinnai Tankless Single Unit with Backup Storage (CAD format)CAD 320 KBSystem Design Drawing: Rinnai Tankless Single Unit with Circulation (CAD format)CAD 403 KBSystem Design Drawing: Rinnai Tankless Single Unit with Demand Pump Circulation (CAD format)CAD 337 KBSystem Design Drawing: Rinnai Tankless Single Unit with Hydronic Heating (CAD format)CAD 423 KBSystem Design Drawing: Rinnai Tankless Single Unit with Hydronic Heating via Plate Heat Exchanger (CAD format)CAD 419 KBSystem Design Drawing: Rinnai Tankless Single Unit with Solar Backup Option 1 (CAD format)CAD 427 KBSystem Design Drawing: Rinnai Tankless Single Unit with Solar Backup Option 2 (CAD format)CAD 447 KBSystem Design Drawing: Rinnai Tankless Three Unit with Backup Storage (CAD format)CAD 544 KBSystem Design Drawing: Rinnai Tankless Three Unit with Circulation (CAD format)CAD 902 KBSystem Design Drawing: Rinnai Tankless Three Unit with Demand Pump Circulation (CAD format)CAD 0 MBSystem Design Drawing: Rinnai Tankless Three Unit with Solar Backup Option 1 (CAD format)CAD 1 MBSystem Design Drawing: Rinnai Tankless Three Unit with Solar Backup Option 2 (CAD format)CAD 1 MBSystem Design Drawing: Rinnai Tankless Two Unit with Backup Storage (CAD format)CAD 432 KBSystem Design Drawing: Rinnai Tankless Two Unit with Circulation (CAD format)CAD 688 KBSystem Design Drawing: Rinnai Tankless Two Unit with Demand Pump Circulation (CAD format)CAD 689 KBSystem Design Drawing: Rinnai Tankless Two Unit with Solar Backup Option 1 (CAD format)CAD 766 KBSystem Design Drawing: Rinnai Tankless Two Unit with Solar Backup Option 2 (CAD format)CAD 748 KBWH-1-BC - Sheet1PDF 803 KBWH-1-CD - Sheet1PDF 789 KBWH-1-CIRC - Sheet1PDF 718 KBWH-2-BC - Sheet1PDF 818 KBWH-2-CD - Sheet1PDF 723 KBWH-2-CIRC - Sheet1PDF 725 KBWH-3-BC - Sheet1PDF 833 KBWH-3-CD - Sheet1PDF 732 KBWH-3-CIRC - Sheet1PDF 733 KBWH1-HX - Sheet1PDF 718 KBWH1-S-1 - Sheet1PDF 727 KBWH1-S-2 - Sheet1PDF 725 KBWH1-SH - Sheet1PDF 720 KBWH2-S-1 - Sheet1PDF 736 KBWH2-S-2 - Sheet1PDF 732 KBWH3-S-1 - Sheet1PDF 741 KBWH3-S-2 - Sheet1PDF 742 KB
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Warranty KCM (SE Series)PDF 339 KB
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2022107.H - Ground water temperature map update RUCS75i_RUS75ePDF 316 KBCondensing Group Water Temperature Guide US and CanadaPDF 1 MB
Warrantyi
| Warranty - Standard for Residential | 1 year on Labor / 5 Years on Parts / 12 Years on Heat Exchanger |
|---|---|
| Warranty - Standard for Commercial | N/A |
iWarranty information is available in the Installation & Owner Manual.
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