Description
The Taco 219 Sweat Flo-Check Valve is a 3/4 inch connection size that is used to eliminate gravity circulation in hydronic HVAC systems. It is a sort that is soldered into copper piping and it does not leak. It is often installed with boilers radiant heating systems and zone-controlled HVAC equipment to prevent flow unless required. This helps in saving energy since it prevents heat transfer between the hot and cold zones during off periods. Its manually operated lever is also useful in case of its during maintenance or troubleshooting and it is an essential part of residential and light commercial HVAC systems.
