Quote:
Originally Posted by Hads930
What pressure does that system operate? Pretty sure you have 3 drain fittings not designed for pressure. The only supply fitting is the “T” on the far left. Maybe it doesn’t make a difference for your application,
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I don't know what the pressure is. It has to be very low. The pressure differential between the pump and the filter outlet is 12 PSI. After that it's just a few feet of pipe.
Nick, I had not considered the possible need to completely remove the heater. Might be a good reason to have a ball valve.