El Diablo Heat Exchanger question

astrikingimage

Premium VIP
Oct 20, 2010
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Real Name
Jose Salazar
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United States
I have a El Diablo Heat Exchange TM. I am looking for someone that i can ask a question about a solenoid See Pic. The part has 3 hoses gone into it. There is a port for a fourth.
Is the fourth port suppose to be plugged as shown or empty?
el diablo part(2).jpg