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The Caleffi Discal Compact Air Separator, with model number 551022A, represents a top-quality solution designed for hydronic systems. Engineered to continuously eliminate air in heating and cooling systems, this separator excels in maintaining the efficiency and longevity of your setup.
Featuring a sweat connection type and a compact structure, the Caleffi 551022A is easy to install and operates silently.
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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