Powerful On-Demand Heating: 100,000 BTU & 4.3 GPM for this tankless water heater propane, supports 3-4 water points simultaneously, delivers endless propane hot water on demand with no waiting.

4 Intelligent Preset Modes: One-click switch for 4-season/Kitchen/Bathtub/Shower modes on the propane tankless water heater; 4-season auto-matches temp, kitchen defaults to 100°F, bathtub supports 50-800L volume adjustment.

Precision Temp Control: Gas-water-temperature intelligent linkage for the propane heater, 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 of the propane hot water heater, 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 for the propane tankless heater.

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.