Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.

Control help

dogpound247
dogpound247 Member Posts: 3
in Thermostats and Controls
Need help wiring controls for this injection system taco ZVC404 zone valve controls with a tekmar 356 control for the injection pump 

Comments

  • hot_rod
    hot_rod Member Posts: 23,400
    Typically the TT from the relay box triggers on the tekmar. Although I think the tekmar needs a powered input, so send 24v over to it from the Taco box
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream

Categories