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The Hercules brand Cryo-Tek Anti-freeze with MPN 35-253 is a specially formulated product used for freeze protection and corrosion prevention in heating systems.
This anti-freeze helps stabilize pH levels in the system to reduce corrosion, prevent sediment formation, and protect against hard water minerals.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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