Hello... Simple question here im sure.  I came across a propane water heater 120v, draws less then three amps.  I installed the 120v power with a 12-2 wire.  I know this size wire is not really needed but it was all I had.  Is this in any way harmful for the water heater or wiring?  Thanks for the help.
	
		
			
		
		
	
				
			
				