Amtrol 443 Hydronic Expansion Tank Air Purger

Hydronic Expansion Tank Air Purger; Type In-Line; Nominal Size 1 Inch; End Connection Female Threaded; End to End Distance 4 Inch; Body Material Cast Iron; Pressure Rating 100 PSIG; Temperature Rating 240 Deg F; Inclusions/Features Air Purger, Automatic Float Vent; Application Hydronic Heating System, Expansion Tank, Automatic Air Vent; Applicable Standard IAPMORT, ISO 9001/2008