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Amtrol-Worthington 444

Amtrol-Worthington 444Air Purger Extrol Inline 6 x 2-1/2 x 4 Inch Cast Iron 1-1/4" NPT 125 Pounds per Square Inch Gauge for 700 Series Automatic Air Vents and Extrol Expansion Tanks

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Product Overview


  • The water that is used initially to fill a hot water heating system contains dissolved air
  • Make-up water subsequent added will similarly have a high air content
  • Heating this water releases the air and permits it to be circulated in the system, for which it must be vented
  • The purpose of the air purges is to continuously separate and collect any air from the water as it circulates so that it may be vented automatically by afloat air vent without the necessity for frequent manual venting
  • System connection sets the point of no pressure change
  • 1-1/4 in connection
  • 1/8 in NPT top connection
  • 1/2 in NPT tapping
  • Low lead IAPMOR&T

Product Details

BrandAmtrol-Worthington
Product TypeInline
Size6x2-1/2x4IN
MaterialCast Iron
Connection Details1-1/4IN NPT
Pressure125PSIG
Used on700 Series Automatic Air Vents and Extrol Expansion Tanks
Length6IN
Width2-1/2IN
Height4IN
California ResidentsWARNING: Click here for Proposition 65 information.

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