Taco Switching Relays combine clearly-labeled PC board layouts with advanced features
that allow you to completely customize your system. Whether you’re using basic priority
switching, Taco Plug-In PowerPort Cards or add-on power controls, tailoring the system
has never been easier. External indicator lights give you instant diagnostic feedback,
making service calls or new installation start-ups a snap. All switching relays are
UL listed, use standard "ice cube" replaceable relays and are compatible with
conventional and programmable thermostats. For larger jobs, switching relays can
be expanded up to 20 zones with priority.
With the exclusive Taco PowerPort Plug-In Cards, you can easily add such features as post
purge, priority protection and pump exercise. Any expandable switching relay can also
interface with the Boiler Reset Control and Injection Mixing Add-On Power Controls.
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