Taco SR503-EXP Switching Relay, 120V 20 Amp 3-Zone w/ Priority argo Engineered for high-efficiency air circulation

Engineered for high-efficiency air circulation

Its length of 2-7/8 inches and range of 2-6 W

Durable construction with rolled steel frame

This thermometer features a half-inch sweat connection and has a dial size of two and a half inches

Taco SR503-EXP Switching Relay, 120V 20 Amp 3-Zone w/ Priority argo Engineered for high-efficiency air circulationProduct Description The Taco SR503 EXP is a Switching Relay designed for HVAC systems. It provides control for up to three zones, with priority functionality for one circulator. This relay operates at 120 volts and supports a load of 20 amps, making it suitable for various applications in residential and commercial heating and cooling systems. 3 Zone Switching Relay Priority Control Capability Compatible with Various Circulators Product Highlights