Rinnai RX Series 9.0 GPM Indoor Tankless Water Heater | Natural Gas | SmartSense™
Rinnai RX Series 9.0 GPM Indoor Tankless Water Heater | Natural Gas | SmartSense™ is backordered and will ship as soon as it is back in stock.
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Price Match Guarantee
Price Match Guarantee
We work very hard to ensure that we offer the absolute best prices online. If you find another online store that offers a lower price than us, let us know and we beat the price hands down. We want you to feel confident that you are getting the absolute best price for the product you are ordering.
Our 100% Price Match Guarantee has the following restrictions:
Promotions such as rebates and buy one, get one free offers are not eligible
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The competitor must be an Authorized Retailer of the item you have purchased
The Price Match Guarantee includes will be calculated based on item price, sales tax, shipping charges
Price Matches Do Not Apply For Exchange Orders, or replacements
Please Note: Some Exclusions May Apply
Delivery and Shipping
Delivery and Shipping
Your order processing time is 1 to 2 days. Please note that the cut-off time for order placement is 6 p.m. Orders received after this time will be processed on the following business day.
Your order will arrive within 4 to 7 days on average (free shipping over $200). Shipping for orders under $200 incurs a flat fee of $15. We currently offer shipping only within the continental United States (island deliveries may incur additional costs); international shipping is not available.
Mostly all of our orders are shipped via one of our third-party freight carriers (18-wheeler). If your order has an item that is shipped on a freight carrier, you will be contacted to schedule a curbside delivery time. Please make sure to put the correct phone number at checkout.
Upon placing your order, you will receive a confirmation e-mail. This message will confirm your order has been received by our system, and your credit card was approved for purchase. We will not charge your card until the item has shipped unless it's back ordered and we need to hold an item for you.
As soon as your order is received on our end, we process it!
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• We Beat The Lowest Price
• Fast 4-7 Day Delivery
• Manufacturer Warranty Included
• Questions? Call Our Experts: +1 (800) 484-0224
Payment & Security
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Description
Description
Efficient, Smart & Hassle-Free Hot Water
Experience endless hot water with the Rinnai RX Series 9.0 GPM Indoor Tankless Water Heater, engineered for efficiency and smart adaptability. Featuring SmartSense™ Technology, it automatically adjusts to either natural gas or propane without requiring a conversion kit — making installation and use effortless. Designed with ENERGY STAR® efficiency and a durable SENSEI® RX build, this water heater delivers exceptional performance for homes of any size.
Key Features:
- SmartSense™ Adaptive Gas Valve Technology – Adjusts automatically to NG or LP; no conversion kit required.
- Smart-Connect™ Compatibility – Connect via Bluetooth® to your smartphone or tablet for real-time control.
- Quick-Flush™ Maintenance System – Simplifies periodic cleaning and enhances unit longevity.
- Enhanced Turbo Fan™ & Dual Heat Exchangers – Increases thermal efficiency and reliability.
- Smart-Circ™ Ready – Supports recirculation when paired with a compatible pump kit.
- Mobile Home Certified – Safe for a wide range of residential installations.
- Optional Versa-Vent™ Cap – Easily converts from indoor to outdoor use.
- High Flow Rate – Up to 9.0 GPM with Ultra Efficiency (UEF 0.97).
- Durable Build – Backed by a 15-year heat exchanger warranty and ENERGY STAR® certification.
What’s Included
- Rinnai SENSEI® RX Water Heater
- Wall Mounting Bracket
- (4) Self-Tapping Screws (4.2 × 25MM)
- Gas Conversion Label (Propane)
- (2) Vent Screens & (2) Vent Screws
- Installation & Operation Manual
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(Optional accessories like Versa-Vent™ Vent Cap and Isolation Valve Kit sold separately.)
Specification
| Specification | Details |
|---|---|
| Model | RX160IN |
| Fuel Type | Natural Gas (NG) |
| Convertible to LP | Yes – SmartSense™ (No Kit Needed) |
| Flow Rate | 0.13 – 9.0 GPM |
| UEF (Efficiency) | 0.97 |
| BTU Input (Min/Max) | 15,000 / 160,000 |
| Venting System | 2"/4" or 3"/5" Concentric Vent, PVC Compatible |
| Certifications | AHRI, CSA, ENERGY STAR® |
| Installation Type | Indoor (Convertible to Outdoor with Versa-Vent™) |
| Color/Finish | Silver |
| Number of Fixtures Supported | 2–5 |
| Product Dimensions (W × H × D) | 18.5" × 30.1" × 11.4" |
| Product Weight | 54 lbs |
| Shipping Weight | 59 lbs |
| Warranty | 15-Year (Heat Exchanger), 5-Year (Parts), 1-Year (Labor) |
| Part Number | RX160IN |
| UPC | 766156017360 |
Care & Maintenance Instructions
- Perform Quick-Flush™ cleaning every 6–12 months for optimal performance.
- Inspect venting and air intake annually for blockages or debris.
- Ensure adequate ventilation when installed indoors.
- Use only Rinnai-approved accessories and service kits.
- Always consult the installation manual for safety and performance guidance.



