Description
The Taco 417-3 Air Vent Coin 125 PSI 1/8″ NPT is an essential component used for hydronic heating systems. It uses a hygroscopic internal disc that opens to release trapped air when dry and seals, it contacts water, preventing leakage after air removal. With a threaded connection and a pressure rating, it is typically installed on boilers, radiators, and piping manifolds in residential and light commercial heating HVAC systems. It operates as an air elimination component, supporting preventing air binding, improving circulation, and supporting stable heat transfer efficiency in closed-loop hydronic systems.
