Vent-Rite 33 Programmable Timer NET-4 24V, UPC Code: 78447350005

Vent-Rite 33 Programmable Timer NET-4 24V is an automatic air vent for steam heating systems, for convectors and risers. This part work by expelling trapped air from the radiators and pipes to let steam flow freely for even distribution of heat. It operates automatically depending on the temperature changes in the system. The use of this vent increases heating efficiency, saves energy, and eliminates such problems as cold spots and water hammer, which increases comfort and the life of HVAC systems.