Rinnai RE Series 6.6 GPM Outdoor Tankless Water Heater – Natural Gas (RE160EN)
Rinnai RE Series 6.6 GPM Outdoor Tankless Water Heater – Natural Gas (RE160EN) 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
The website can not be a discounter or auction website (ie; eBay, etc..)
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
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Payment & Security
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Description
Description
Upgrade your home’s hot water performance with the Rinnai RE Series 6.6 GPM Outdoor Tankless Water Heater (RE160EN) — engineered for efficiency, safety, and reliability. Designed for outdoor installation, this powerful natural gas unit delivers continuous hot water on demand while saving energy and space.
Featuring a clean internal layout, LED display, and programmable service reminders, the Rinnai RE160EN ensures effortless operation and long-term dependability. Its compact copper heat exchanger offers superior heat transfer and durability, while the optional leak detection and freeze protection kits enhance safety and peace of mind for any climate.
Whether for residential or light commercial use, this Rinnai outdoor tankless water heater ensures performance you can trust — delivering comfort, efficiency, and innovation from one of the most recognized names in water heating.
Key Features:
- Continuous Hot Water Supply: 6.6 GPM capacity delivers consistent performance for multiple fixtures.
- Energy Efficient: 0.81 Uniform Energy Factor reduces energy use and operating costs.
- Compact Design: Space-saving outdoor installation frees up interior space.
- Durable Copper Heat Exchanger: Maximizes heat transfer and extends product life.
- LED Screen Display: Easy-to-read interface for monitoring and adjustments.
- Safety Features: Includes safety handle and seating bracket.
- Programmable Service Reminders: Maintain system health effortlessly.
- Optional Add-Ons: Leak Detection Kit & Freeze Protection available.
- Reliable Performance: Delivers 160,000 BTUs of powerful heating capacity.
What’s Included
- Rinnai RE Series 6.6 GPM Outdoor Tankless Water Heater (Model RE160EN)
- Installation Manual & Mounting Bracket
- Safety Handle & Seating Bracket
- LED Display Screen
- 5-Year Limited Parts Warranty
- 10-Year Heat Exchanger Warranty
- Note: Isolation Valve Kit (Model MIVK-T-LW) sold separately.
Specifications
| Specification | Details |
|---|---|
| Model Number | RE160EN |
| Series | RE Series |
| Fuel Type | Natural Gas |
| Installation Type | Outdoor |
| Vent Type | Non-Condensing |
| Maximum Flow Rate | 6.6 GPM |
| BTU Input | 160,000 BTUs |
| Energy Factor (UEF) | 0.81 |
| Color / Finish | Silver |
| Dimensions (W × H × D) | 14.05″ × 22.87″ × 10.77″ |
| Hot Water Range | 0.26 GPM – 6.6 GPM |
| Optional Accessories | Leak Detection Kit, Freeze Protection |
| Required Accessory | Isolation Valve MIVK-T-LW (Sold Separately) |
Care & Maintenance Instructions
- Flush the heat exchanger annually to prevent mineral buildup.
- Inspect gas and water connections regularly for leaks.
- Clean exterior vents to ensure proper airflow.
- Protect from freezing conditions using the optional freeze protection kit.
- Schedule service reminders through the built-in programmable system.
- Always use licensed professionals for installation and maintenance to maintain warranty validity.


