camplux 2.64 gpm portable propane water heater, tankless propane gas water heater with digital display, on demand hot gas water heater for campings, road trips, white camplux enjoy outdoor life features 1.the camplux bw264n is an excellent choice for tiny house,remote cabins apartments,barnsoutdoor showers,boat houses, camp sites, and much more. 2.could possibly be used in 5th wheels rv, or campers if you have enough room for propercombustion air and venting and a flue pipe is intalled additionally.(the flue pipe not included) 3.ignition is provided by 2 d cell batteries which means electricity isn’t required to power the unit. (batteries not included) 4.the operating propane gas pressure is 0.4psi with maximum power output 68,000btu/hour. 5.applicable water pressure from 3.6~110.0 psi.hot water output 2.64 gallons per minute, work easily with great performance. 6.the system also works with a 12 volt pump to get the desired pressure. 7.it may result in gas leak or even on fire if you forget to put the gasket into the adapter before connecting the regulator to the heater!please always install the unit as per users manual and contact us directly if you may need any support. easy to use 1. install the gas water heater on the wall. 2. connect the gas cylinder with the supplied gas hose and regulator. 3. connect shower hose and shower head to the hot water outlet. 4. connect water hose to the water inlet. 5. insert 2 "d"cell batteries. 6. enjoy instant hot water shower ! what's in the box 1 x camplux pro hot water system 1 x on/off shower head and pedestal 1 x 5"ft shower hose 1 x 5"ft csa approval gas hose & regulator 1 x garden hose: 1/2" bsp female x 3/4" ght female 1 x garden hose: 1/2" bsp female x 3/4" ght male 1 x gas inlet connector: 1/2" bsp female x 5/8" npt inverted flare male 1 x accessories package(included water tape & screws ) 1 x instruction manual. inquiry&aftersales service: support@camplux.com service hotline: (1)844-538-7475