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The Caleffi 502113A Minical is a one eighth inch automatic air vent designed to efficiently discharge air from sealed heating systems. This unit is ideal for use with manifolds or pipes during the heating process. It features a hygroscopic cap that helps prevent water from dripping. The vent incorporates cellulose fiber discs that expand when wet, allowing for automatic closure. Additionally, this model includes a service check valve that simplifies maintenance by stopping water flow when the vent is detached.
This air vent is built to handle high temperatures and pressures while providing reliable air release from hydronic systems.
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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