Description
The Taco SR502 2-Zone Switching Relay W/Priority Circulators is a control part essential component used for HVAC systems managing multiple circulator pumps and coordinating heating zones in hydronic applications. It operates as an interface between thermostats and system pumps, directing electrical signals to activate heating zones based on demand. This part is used in residential and commercial boiler systems to organize zone control and support efficient heat distribution. Its priority operation supports regulating essential heating demands, reducing imbalance and maintaining consistent operation within HVAC systems.
