The Taco family of Electronic Controls puts convenient control and efficient operation of hydronic systems in your hands. Easy to install and use, versatile and reliable, Taco Electronic Controls help you create more comfortable and dependable systems that will satisfy the needs of all your customers, both residential and commercial. Included in this category are Switching Relays, Zone Valve Controls, Priority Zoning Circulators and Hydro Air Fan Controls.

PC600, PC700 Series Plug-in Cards & Controls
Have it your way! Just pop in a post purge, priority protection, or universal timer/pump exercise plug-in card, or add an outdoor boiler reset or injection mixing plug-in control. All integrate easily with any Expandable (-EXP) Switching Relay or Zone Valve Control. Mix and match for complete system control and efficiency.

Switching Relays
Taco Switching Relays combine clearly labeled PC board layouts with plug-in, add-on capabilities to make total system customization a snap. External LED indicator lights provide instant diagnostic feedback, so service calls and new installation start-ups are quick and easy.

Zone Valve Controls
Itís time to simplify your wiring nightmare while eliminating the ìunfinishedî look of conventional zone valve installations. Our easy to read PC board layout takes the guesswork out of wiring, while external indicator lights reduce installation and troubleshooting time. Install 2-, 3-, or 4-wire zone valves (even a system or priority zone pump), then plug-in your choice of advanced cards and controls to customize the system.
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