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			 I dont think there is a way without a controller of some sort.  The wires are 24v+, negative, and pwm (speed control) signal. 
		
	
		
		
		
		
		
	
		
		
	
	
	The power supply is just converting AC to 24VDC. I have one connected to an arduino giving a pwm signal for ramp up/down. I just had my power supply replaced under warranty on one of my pumps. Showed up very fast. I think its a one year warranty.  |