What Our Experts Think
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The Taco PC705-2 Variable Speed Pump Inject Mix Control is a smart hydronic control module designed to precisely manage water temperature in heating systems.
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It uses variable-speed injection mixing to maintain consistent supply temperatures, improving comfort, efficiency, and system balance.
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Compatible with most Taco variable-speed circulators, it ensures smooth modulation, reducing energy waste and short cycling.
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Ideal for radiant heating, hydronic baseboard, and multi-zone systems, offering reliable and automated temperature control.
Q&A
Q: What does the PC705-2 control do?
A: It adjusts the speed of an injection pump to maintain a target water temperature, ensuring optimal system performance.
Q: What systems is it best suited for?
A: Perfect for radiant floor heating and mixed-temperature hydronic applications requiring precise temperature management.
Q: Is it easy to install?
A: Yes, it’s compact, wall-mountable, and designed for simple wiring and setup with clear LED indicators.
Q: Does it improve energy efficiency?
A: Absolutely — by modulating pump speed, it reduces energy use and keeps water at the most efficient temperature for heating demands.
Maintenance Tips
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Inspect wiring connections periodically to ensure secure contacts.
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Keep control surfaces clean and free from dust or moisture.
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Verify sensor readings annually for accurate temperature control.
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Avoid overloading circuits—use correct fusing per Taco’s specifications.
