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Rinnai RX180iN Condensing Smart Sense Tankless Water Heater | 10 GPM, 180k BTU, Smart Sense Supports Natural Gas or Propane, and Indoor/Outdoor Installation, Endless Hot Water, Save Space
✅ In stock
📉 Price recently dropped
D
Grade
Analysis Confidence
55%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Aug 16, 2026 7:57 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
😐 Weak Deal- 😐Verdict: Weak Deal. Marginal discount. Prices may drop further soon.
- 💰The price is modestly below what this product ordinarily sells for.
- 📉This is the most affordable price seen in roughly three months — a solid near-term opportunity.
- 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.
How We Scored This Deal
Price Competitiveness
4.42/28
Recent Value
4.02/22
Market Standing
7.69/20
Deal Strength
7/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
eFaucets
🚚 Shipping
Free Shipping
Product Details
✓One Model, Anywhere: This Rinnai tankless water heater is installable indoors or outdoors thanks to our new Versa Vent and powered by either propane or natural gas thanks to a Smart Sense gas control system; RX-OVC vent cap required for outdoor install
✓Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This condensing propane and natural gas tankless water heater from Rinnai is only the size of a small suitcase, but provides up to 10 GPM (6 fixtures at once)
✓Smart, Efficient Design: This water heater's modern design includes an easy-to-use interface, Quick Flush feature for simplified flushing, as well as a super-high energy efficiency factor of UEF .98; See Controlr module for WiFi control (not included)
✓Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to find a qualified technician to install your tankless water heater, and use the Rinnai Central App for help with setup, service & troubleshooting; We do not recommend installing a water heater without a technician
✓Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater size for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region
✓Residential warranty: limited 15-year on heat exchanger, 5-year on parts, 5-year on labor (Requires product to be registered within 90 days of installation or Labor Warranty defaults to 1-year)
⚙️ Specifications
Brand
Rinnai
Capacity
60 cubic inches
Power Source
Dual-Fuel (Natural Gas or Propane)
Product Dimensions
19"W x 31"H
Color
Silver
Wattage
76 watts
Voltage
120 volts
Flow Rate
10 gpm
Maximum Temperature
140 °F
Heat Output
180000 british thermal units
Efficiency
High (0.98 UEF)
