Not that I am an expert but I haven't had any issues with my sump being utilized in my mechanical room.  It sounds like my setup is identical to what you are describing, but I don't have my electrical panel in there which is the only difference.  Feel free to PM me if you have any questions.  I find it a very convenient arrangement for doing any maintenance on the tank. 
		
	
		
		
		
		
		
	
		
		
	
	
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