Not Ranked
You're right PHILM but Mando wants to know about the two outlets on the pump for the heater or whatever. Mando...I am in the process of sorting this out on my new engine. I have an Edelbrock standard rotation Windsor water pump 8841. The main inlet is at the rhs bottom. I hooked the two small outlets to the heater/mixer on the LPG system and it worked fine until the thermostat opened. then flow then stopped and my mixer froze up. What I had to do was block the outlet pipe (the lower one ) and put a 'T' in one of the outlet pipes from the heads. That way the water is sucked from the 'T' connection at the head outlet through the heater/mixer then into the water pump (the top one) This also provides a pressure relief and water circuit when the thermostat is closed, therefore the pump doesn't cavitate.
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