Bell & Gossett No. 107A 3/4" female pipe x 3/8" male pipe high capacity cast iron air vent for purging large amounts of air from all liquid systems. Maximum 150 psi and 250°F. Provides positive shut-off to eliminate loss of system liquid. An excellent choice for use in systems using ethylene glycol and water.
Bell & Gossett is a division of Xylem, a spin off of ITT Industries, and is a leading manufacturer of energy efficient pumps, valves, heat exchangers, and accessories for plumbing, wastewater, and HVAC — including steam and heat transfer — applications. The company sells a variety of products, including centrifugal pumps, hydronic specialties, heat exchangers, condensate handling equipment, valves, rotors and controllers, for use in residential, commercial and institutional buildings. Bell & Gossett is known throughout the HVAC business as the industry’s educator. Their Little Red Schoolhouse, a completely equipped learning center, has trained more than 60,000 engineers, contractors and installers in the proper design, installation, and maintenance of HVAC systems.