Closed-Loop Glycol Water System Maintenance Checklist
by Botha CG, from the Community
This monthly preventive maintenance checklist guides facilities teams through safe, consistent care of closed-loop glycol water treatment systems. Steps include drawing circulation samples, flushing and collecting clean samples, checking glycol concentration with a refractometer, and verifying total conductivity with a meter. It reinforces EPA compliance, MSDS awareness, proper chemical storage, and record-keeping. Use it to maintain correct 30 percent glycol levels, protect equipment, and document maintenance hours and test results.
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