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Ranein Natural Gas Tankless Water Heater, 4.3 GPM, 100,000 BTU, Indoor
✅ In stock
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Grade
Analysis Confidence
20%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
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Price verified Sep 28, 2026 1:27 PM · Prices & availability subject to change
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📝 Product Overview
🏪 Sold by
Ranein Store
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Powerful On-Demand Heating: 100,000 BTU & 4.3 GPM for this tankless water heater gas, supports 3-4 water points simultaneously, delivers endless hot water on demand with no waiting.
✓4 Intelligent Preset Modes: One-click switch for 4-season/Kitchen/Bathtub/Shower modes; 4-season auto-matches temp, kitchen defaults to 100°F, bathtub supports 50-800L volume adjustment.
✓Precision Temp Control: Gas-water-temperature intelligent linkage, 95°F-155°F adjustable range, high-temp lock prevents scalding, safe for kids and elders.
✓Oxygen-Free Copper Heat Exchanger: Enhances heat transfer efficiency, corrosion-resistant and durable; paired with enhanced combustion tech for energy saving.
✓All-Round Safety & Anti-Freeze Protection: Equipped with dedicated anti-freeze device, resists 14°F/-10°C low temperature to effectively prevent pipe freezing and cracking; plus overheat, dry burn, exhaust blockage and low water pressure startup protection; powerful fan exhaust prevents CO leakage.
✓Clear LED Display & Temp Memory: LED screen shows real-time water temp, operating status and fault codes; temp memory retains preferred settings, no repeated adjustment needed.
✓Included Vent Pipe & Installation Note: Comes with original vent pipe (no extra purchase) for the indoor propane tankless water heater. Install by licensed professionals, not for >2,000ft elevation. Recommend draining water completely if temp drops below 14°F/-10°C or unused for long to prevent pipe cracking.
⚙️ Specifications
Brand
Ranein
Capacity
4.3 gallons
Power Source
Natural Gas
Product Dimensions
14.17"W x 22.05"H
Special Feature
LED Display
Special Features
LED Display
Wattage
7.8 watts
Voltage
120 volts_of_alternating_current
Flow Rate
4.3 gpm
Maximum Temperature
155 °F
Heat Output
100000 british thermal units
