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Do I need to flush new build with distilled water before using coolant

post #1 of 4
Thread Starter 
Hello

I have just completed putting together my 4 radiator system with hard tubing, using all EK parts. Using tap water I had flushed out the radiators before assembly and they have since dried out.

During bending of PETG tubing I did my best to remove the small particles that get created when chamfering the ends, however there is a very small amount of particles left within the tubes.

Questions:

Will this block or restrict coolant flow in any way?

Should I flush the system once with distilled water before putting the coolant mix in and do a leak test? Even with doing this flush I don't think the particles will be removed.

Thank you!
post #2 of 4
Yeah, with the combination of dried tap water and the possibility of particulate from prepping the tubing ends, I'd do a flush with warm distilled water.

Better safe than sorry after spending hard earned time and doll hairs. thumb.gif
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post #3 of 4
Thread Starter 
You almost caught me putting coolant in directly. smile.gif Yes very good point.

After 4 months of delays, waiting on parts, designing, error in bending etc and over $1200 spent, I can't seem to wait to rush and finally put the coolant in. I'll do a distilled flush before putting the coolant in.
post #4 of 4
Aaaaah, excellent timing! I definitely understand that anticipation of firing her up. Worth a couple more steps to ensure longevity of a sweet build. biggrin.gif
Subtle Hammer
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Subtle Hammer
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