Taco SR503 Three Zone Switching Relay W/ Priority For Circulators motor It's maintenance-free and easy to

It's maintenance-free and easy to install

Dimensions: 18 inches x 8 inches

and pet dander before they reach the main filter

Model Number: MOT13484

Taco SR503 Three Zone Switching Relay W/ Priority For Circulators motor It's maintenance-free and easy toProduct Description Taco's SR503 is a three zone switching relay designed for priority control of circulators. It enhances efficiency in hydronic heating systems, making it suitable for various industrial and commercial applications. Three zones with priority control for better heat management. Compact design fits in tight spaces. Adjustable delay settings optimize system performance. Product Highlights This reliable switching relay assures optimal