1 1/4 in. NPT connection Air Purger

HVAC/R & Hydronics
AP401 MFG #: AP401/U
0.00000 /

Honeywell AP400 Series air purgers provide air and water separation in hydronic heating systems, improving efficiency and reducing noise. Solidly constructed of cast iron. the air purgers feature tappings for expansion tank and auto air vent mounting.

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  • Features
  • Specifications
    • Directional flow arrow for correct installation
    • 1/8 inch top tapping for air vent mount
    • 1/2 inch bottom tapping for expansion tank mount
    • 1 inch, 1 1/4 and 1 1/2 inch models (inlet and outlet)
    • Heavy duty cast iron construction
  • Pipe Size (inch): 1 1/4 in.
  • Connection Type: Female NPT
  • Connection Size (in.): Bottom: 1/2 in.; Top: 1/8 in.
  • Operating Temperature Range (C): 135 C Maximum
  • Operating Temperature Range (F): 275 F Maximum
  • Materials: Cast Iron
  • Weight (kg): 1.7 kg
  • Weight (lb): 3.8 lb
  • Maximum Safe Operating Pressure (kPa): 862 kPa
  • Maximum Safe Operating Pressure (psi): 125 psi
  • Dimensions (mm): 152 mm long x 95 mm high x 60 mm wide
  • Dimensions (in.): 6 in. long x 3-3/4 in. high x 2-3/8 in. wide
  • Application: Closed heating systems