Caleffi 551006A Air Separator

Caleffi 551006A Air Separator is engineered to remove air pockets from heating and cooling systems, delivering efficient circulation and reduced pump noise. With a brass body, 1 inch nominal size, and female threaded end connections, this air separator fits a wide range of installations and offers durable performance.

Rated for up to 150 PSI and operating from 32 to 250 degrees F, it supports steady flow at up to 9.3 GPM. The design includes a stainless steel air vent float guide pin, an EPDM seal, and a PP air vent float for reliable air elimination and longevity. It meets multiple standards including ANAB, BSI, FM, ISO 9001, ICIM, and ANSI, ensuring quality and compatibility in professional systems.

Designed for both new installations and system retrofits, the Caleffi 551006A ensures quick, secure installation and dependable air separation in residential and commercial heating and cooling networks. Installers appreciate predictable performance and long service life.

• Nominal Size: 1 Inch
• End Connections: Female Threaded
• Brass Body, 150 PSI Rating
• Temperature Range: 32–250°F
• Flow Rate: 9.3 GPM
• Inclusions: Stainless Steel Air Vent Float Guide Pin, EPDM Seal, PP Air Vent Float
• Application: Heating and Cooling System
• Standards: ANAB, BSI, FM, ISO 9001, ICIM, ANSI