Camplux 16L 4.22 GPM Outdoor Gas Tankless Water Heater:

• Easy To Install - It only takes you 5 minutes to set up and it comes with all necessary accessories. To avoid gas leakage caused by improper sealing of the water heater, DO NOT TWINE TEFLON TAPE between gas regulator and gas inlet pipe. The gas tankless water heater will "catch on fire" with improper installation. Always check gas leakage before operation.
• 4.22 Instant Hot Water - It only takes you a few minutes to get 4.22 gallons per minute of instant hot water. The Camplux portable water heater lights when water pressure is between 4.0-110 PSI, low water pressure is perfect for camping and remote cabins.
• 6-in-1 Protection - Flame failure device, anti-freezing protection, over heating protection. The anti-freezing drain plug discharges the residual water to avoid freezing in cold areas for long-time maintenance. Gas supply automatically shut off when high water temperature protection over 167 °F.
• Power Efficient & Energy Saving - Maximum power output 110,000btu/hour, you will get instant endless hot water easily wherever you are, compact and lightweight structure with 11.5% energy-saving technology. The propane water heater exchanger and main burner are designed with advanced combustion technology to decrease gas consumption and burning noise.