Helps establish proper initial liquid level in the compression tank when filling the hydronic system. They also help maintain proper system pressurization by directing released air to the compression tank during system operation and permit cooler liquid flow to the boiler during the off cycle as system liquid cools. Airtrol Tank Fittings must be used with the appropriate sized Airtrol Boiler Fitting, In-Line Airtrol or Rolairtrol air separator.
Features and Benefits
Body: Cast Iron
Tubes: Copper and Copper Plated
Vent Rube Fitting: Brass
Ball Check: ATFL (only), Stainless Steel
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