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Control your hydronic radiant heat system with the Azel Technologies SP-85 5-zone switching relay.

It's designed specifically for pump control in floor heating setups.

Brand new, made in Taiwan, model SP-85, MPN same.

UPC 640350032193.
Whether you're zoning different rooms or managing a complex system, this relay keeps everything switching smoothly.

Reliable, clean, and ready to install.

If you're building or upgrading radiant heat, this is the brain for your pumps.

4 out of 5