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Universal 1/8" auto air valve vent, suits for most heating system
Made from heavy duty brass construction, durable and eco-friendly
Maximum operating pressure 150 psi and maximum operating temperature 240°F
1/8" male NPT threaded connection
Working great with our 1" and 1-1/4" air scoop
Hydro Master 0571800 1 8 Inch Automatic Air Vent Valve B07PQFWWZC