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Taco Update: News from Taco

Latest News > E-mail Newsletters

New Adds to Taco File Library
The Taco File Library at is constantly growing with more information and support for you. Here are some of the most recent additions:

  • VT7600 Series Heatpump Thermostats — 22-page instruction sheet that includes installation, operation and complete instructions for programming, settings and functions. Download it here.
  • VT7300 Series Fan Coil Thermostats — 20-page instruction sheet that includes product overview and detailed specifications, installation, operation and programming instructions and wiring diagrams. Download it here.
  • 1400 Series High Capacity Circulators — 4-page, full-color product catalog that includes product schematic, performance curves and submittal data information. Download it here.
  • VorTech® & 4900 Series Air Separators — 4-page product catalog that includes detailed product information, applications and submittal data information. Download the catalog here.

HVAC Pros Ask...
Question: I have a gas boiler with Taco controls that is short cycling. The problem seems to relate only to the 2nd floor zone. What can be causing this?

Check the heat anticipator on the thermostat for the zone or zones you think are short cycling. The thermostat should be on an inside wall, with no radiation under it, and away from outside drafts. Also check that there are no bad connections and that 20-gage wire is used, not telephone wire. The current draw should be about 1 AMP. When the boiler cycles, watch the water temperature to see if the boiler aquastat is cycling the boiler. The upstairs zone might be small and not much of a load on the boiler. You might want to lower the boiler water temperature until the outdoor temp drops. Our PC700 is an outdoor reset control used in conjunction with our -EXP controls.

We aim to give you the information and support you need at If you can’t find what you're looking for, or need more help, please let us know.

Thanks for your interest. We hope to see you soon again at