CALEFFI 5026-5027 Series Float type automatic air vent designed to vent air that is released from the water while being heated within the circulating water.
502620A Automatic Air Vent is for use in heating systems to vent air trapped within the circulating water. With a manual vent feature it can be used in commercial and residential hydronic heating applications. The vent helps purge air out of hydronic heating systems. The vent is made of brass, is durable and easy to install. Ideal for use with glycol systems or for use as an anti-vacuum device.
Used in heating systems to vent air trapped within the circulating water
- Fitting size: 1/4"
- Maximum Working Pressure: 150 PSI
- Connection: Male pipe threaded
Technical Characteristics Connection: 1/4” NPT male
Materials: Body Brass Seals peroxide-cured EPDM
Maximum working pressure: hot water 150 psi (10 bar)
Maximum venting pressure: 90 psig (4 bar)
Maximum working temperature: 240˚ F (115˚ C)
Brass construction. No service required. Economical and easy to install.
Working Pressure: 90–150 psi
Threaded (NPT) 1/4"
For use in heating systems to vent air trapped within the circulating water.
Hydronic heating system for a honey extraction shop
it was the best price I could find
replacing old ones
great video on heat exchangers