Evans Dash Air Nightmare
I'm a newbie to the RV world and would love some help dealing with a problem with the Evans Tempcon dash AC. The coach is a 2001 Monaco Knight on a Roadmaster chassis. I bought this RV knowing the d...
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Not sure what you mean by vacuum motor but there is no motor in the
black box . You are exactly correct , 12v operates an air valve ,
air is the passed thru the venturi to create vacuum as needed .
When done right the venturi is a terrific little devise but I suppose
the 12v pumps became so cheap and good where the black box probably
got more expensive so the bean counters won again .
black box . You are exactly correct , 12v operates an air valve ,
air is the passed thru the venturi to create vacuum as needed .
When done right the venturi is a terrific little devise but I suppose
the 12v pumps became so cheap and good where the black box probably
got more expensive so the bean counters won again .
