My campsite has only 1.2GPM water flow, it can work?
Yes, The minimum working water flow is 0.5GPM
Can this RV tankless water heater use a 120V or 240V power ?
No, Only 12V, otherwise it will burn
I have a suburban 6 GAL gas tank water heater with an electric ignitor. Can connect to the current power switch?
The current suburban water heater power switch can be used with this unit, connect to the water heater power cable will work.
Can the water heater use an output DC12V adapter?
Yes, but not less than 4A current.
What accessories include the package?
1 set of door assembly;1 wire controller; Installation package includes: ST4*30 tapping screw *10, ST4*20 tapping screw *2, φ18.2*11mm rectangular rubber sealing ring *2.