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Taco 007e3 white flashing led

Taco unit signaling air in the flow. Picture is it inline to the hot water tank.

Trying to figure out how I'd bleed the air from this pump.


  • Joe Mattiello
    Joe Mattiello Member Posts: 707
    if the pump is installed on return line for DHW recirculation loop, there should be a purge valve located after the pump, on discharge side so you can purge the last section of pipe. this is the best way. some people would go to point of use, open faucet and think they have purged the line, it's that last section that's problematic. hopefully this helps
    Joe Mattiello
    N. E. Regional Manger, Commercial Products
    Taco Comfort Solutions
    Steve Thompson (Taco)
  • Dave H_2
    Dave H_2 Member Posts: 556
    The air purge function of the circ is automatic to remove air in the circ casing but not the system itself.
    90% of the time, it will remove it on its own. If the light turns a solid red, that means it shut down to protect itself and not burn out.
    Reset it by just cycling the power to the unit.

    If it still doesn't get the air out, you need to purge the system and check system pressure.

    Dave H.
    Dave H
    Steve Thompson (Taco)