Installation Guide

Oatey.com
INSTRUCTION GUIDE
HERCULES CRYO-TEK
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of its use. The data listed falls within the normal range of product properties but should not be used to establish specication limits or used alone as the basis of design. Oatey’s liability to purchasers is
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If the corrosion inhibitor tests low, add one 8 oz. container of Cryo-Tek inhibitor for every 20 gallons of system
uid capacity. If the total system capacity is less than 20 gallons, add one 8 oz. container of Cryo-Tek Inhibitor.
If after inhibitor addition and thorough system mixing, the corrosion inhibitor still tests low, add another 8 oz.
container of Cryo-Tek inhibitor for every 20 gallons of system capacity. If, after this addition, the inhibitor still
tests low, the system should be drained, cleaned and recharged with fresh Cryo-Tek.
Remember to always check with the boiler manufacturer for correct glycol levels.
Please contact Oatey technical support at technical@oatey.com for any additional information or assistance.