502720A | Air Vent 1/4"NPT w/chk valve | Caleffi Collection_ Air Elimination Its threaded portion allows for

Its threaded portion allows for secure and adjustable fastening

and improves indoor air quality

while its compact design provides flexibility for space-constrained installations

It provides accurate and reliable measurement of refrigerant flow

502720A | Air Vent 1/4"NPT w/chk valve | Caleffi Collection_ Air Elimination Its threaded portion allows for**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