502620A | Automatic Air Vent 1/4"NPT M | Caleffi Size_3/4IN NPTx30-1/16IN L With a robust 2500-watt output

With a robust 2500-watt output and 277-volt operation

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502620A | Automatic Air Vent 1/4"NPT M | Caleffi Size_3/4IN NPTx30-1/16IN L With a robust 2500-watt outputCaleffi's NCO 502620A Automatic Air Vent effectively removes air from hydronic systems, preventing issues like system noise, pump cavitation, and reduced heat transfer. Its 1 4" NPT male thread ensures easy installation. Constructed from durable brass, this air vent offers corrosion resistance and longevity. The float operated mechanism automatically vents air accumulation, maintaining optimal system performance. Suitable for closed loop hydronic