Caleffi 551022A Compact Air SeparatorCompact Air Separator for heating and cooling systems keeps hydronic networks free of air pockets and operating quietly. The Caleffi 551022A Compact Air Separator combines a 3 4 inch nominal size with soldered end connections and a durable brass body. Engineered for reliable air removal, this unit is rated up to 150 PSI and supports a temperature range of 32250F. With a 6 GPM flow rate, it suits both residential and light commercial loops. The

Designed for reliability in outdoor or indoor condenser applications

this board provides consistent performance

Speed option: 1

Built for natural gas operation

Wide Media Compatibility includes air

End-to-end distance: 5

Applicable standards and broad media coverage make the ASCO 8210G009 ideal for general service

With a 250 V AC primary and a 10

this Allanson gas transformer is a smart choice for retrofit projects and new installations alike

this replacement part balances longevity with easy installation

Maximum Surge Pressure: 15 PSI

Environment: Humidity tolerance 0–90% non-condensing