Glycol Inhibitor: Protect Your Hydronic System

Glycol Inhibitor is a specialized formula designed to protect your glycol-based heating and cooling systems from corrosion. This powerful inhibitor effectively protects a variety of metal components, extending system lifespan and minimizing costly repairs.

Do not mix dissimilar inhibitor packages as they can react with one another and cause issues within the system.

Glycol Inhibitor is an essential component for maintaining the health and efficiency of your hydronic system.

Key Features and Benefits:

• Corrosion Protection: Safeguards your system from corrosion and damage.
• Extended Lifespan: Helps prolong the life of your heating and cooling equipment.
• Improved Efficiency: Maintains optimal system performance by preventing corrosion buildup.
• Versatile Applications: Suitable for both replenishing existing systems and direct mixing with propylene glycol.
• Easy to Use: Simple and straightforward application process.

Ideal for:

• Correcting pH that has drifted below the target due to glycol oxidation, dilution, or make-up water quality (well/tap water).
• If fluid is severely degraded (very dark, strong odor, heavy solids, or pH < 6.5), perform a partial drain/flush and restore glycol concentration before pH correction.
• Replenishing inhibitor levels in existing glycol solutions.
• Direct mixing with propylene glycol for new installations.
• Temporary corrosion protection during storage and transportation.

Part Number            Size

• G-1                                       1 Gal 4/cs
• GI-5                                      5 Gal
• GI-55                                    55 Gal

Guidelines:

This product must be used in accordance with the following directions and by professionals only.

Check at startup, after any dilution/addition, then at least quarterly. – Measure system pH at room temperature.
If pH < target: add DKP inhibitor in small increments, circulate, and recheck.
If pH > target: dilute with premixed glycol/water or carefully adjust with a compatible buffered acid per supplier guidance.
Maintain inhibitor concentration per supplier specs and keep dissolved oxygen low (tight, air-free system).

• Most systems (steel/copper/brass): target 8.5–9.5; aim for 8.9–9.2.
• If aluminum is present: target 8.0–8.5; aim for 8.2–8.4.
• Do not exceed pH 10.0.

Note: For specific applications or additional information, consult the product label and system instructions and manuals.

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