502720A | Air Vent 1/4"NPT w/chk valve | Caleffi Collection_ Air Elimination It provides accurate and reliable

It provides accurate and reliable measurement of refrigerant flow

ensuring smooth insertion and removal

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the PF207N2U is easy to install and maintain

Its threaded portion allows for secure and adjustable fastening

502720A | Air Vent 1/4"NPT w/chk valve | Caleffi Collection_ Air Elimination It provides accurate and reliable**Caleffi Air Vent (SKU: 502720A)** The Caleffi Air Vent (502720A) is a precision engineered solution for removing air pockets from hydronic systems. Constructed from durable materials, this vent features a 1 4" NPT connection and a built in check valve to prevent water leakage. **Key Features:** * 1 4" NPT connection for easy installation * Check valve prevents water leakage * Brass body for corrosion resistance and durability * Compact design for