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Houseneeds.com    Home / Hydronic Heating Supplies / Air Eliminators / Caleffi Air Separator / Buy
Caleffi Air Separators
Remove air in the hydronic circuits, radiant heat systems and solar heating systems
Caleffi Air Separator 551 Series with Sweat Connections for Hydronic Heating Systems Caleffi Air Separator 551 Series with NPT Connections for Hydronic Heating Systems Caleffi Air Separator 251 Series for Solar Heating Systems
Caleffi Air Separators are used to continuously remove the air contained in the hydronic circuits of heating and cooling systems. The air discharge capacity of these devices is very high. They are capable of removing automatically all the air present in the system down to micro-bubble level. In PEX Radiant Heat Systems you need an air removal systems that pulls out micro bubbles as this is what is created in Radiant Heating Applications.

The circulation of fully de-aerated water enables the equipment to operate under optimum conditions, free from any noise, corrosion, localized overheating or mechanical damage.



Caleffi Air Separator 551 Series - NPT or Sweat Connections for Hydronic Heating and Radiant Heating Systems Caleffi Air Separator 551 Series Features:
  • Brass body
  • NPT or Sweat Connections
  • EPDM seal
  • Water, glycol solution
  • 50% max percentage of glycol
  • 150 psi (10 bar) max working pressure
  • 32÷250°F temperature range
  • 1/2" NPT female drain
  • Hydronic and radiant heating applications only

Caleffi Air Separator for solar heating systems Caleffi Solar Air Separator 251 Series Features:
  • Brass body
  • Chrome plated
  • 1/2" NPT female bottom thread
  • Female-female connections
  • Maximum percentage of glycol: 50%
  • Maximum working pressure: 150 psi
  • Maximum discharge pressure: 150 psi
  • Working temperature range: -25°F - 320°F
  • Solar heating applications only
Caleffi Air Separators - Prices - Techs and Specs

Caleffi Discal Air Separator 3/4 inch NPT Female - 551005A

Caleffi Discal Air Separator 1 inch NPT Female - 551006A

Caleffi Discal Air Separator 1-1/4 inch NPT Female - 551007A

Caleffi Discal Air Separator 1 inch Sweat - 551028A

Caleffi Discal Air Separator 1-1/4 inch Sweat - 551035A

Caleffi Automatic High Discharge Air Vent - 1/2 inch NPT 320 Degress - 251004A

Caleffi Micro-bubbles Air Separator - 3/4 inch NPT 320 Degress - 251003A


See prices and buy options for Caleffi Air Separators

Caleffi Air Separator PDF Manual



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