Taco SR503-4 Three Zone Switching Relay

About the Taco SR503-4

The Taco SR503-4 is a three-zone switching relay. It features a compact design with external indicator lights that provide an instant diagnostic about installation start-ups. Designed for a hassle-free installation with its simplified wiring, this switching relay is ideal for a retrofit or use in new installations. It also comes with a switching capability for added convenience, ideal for any household or light commercial application. The fuse is protected and includes a spare for extra peace of mind. This UL-and CSA-approved relay is made in the USA so you can be confident of a high-quality product with a trouble-free performance in the years to come. It is backed by a 3-year extended warranty.

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