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.

error codes

rockd
rockd Member Posts: 1
in THE MAIN WALL
E21 error code on peerless purefire boiler. This code keeps coming up , not much experience with residential boilers. We mainly do big commercial, can someone help?

Comments

  • Tim McElwain
    Tim McElwain Member Posts: 4,640
    The E-21 on that

    boiler indicates that the 120 VAC polarity is reversed. Has any electrical work been done? If you google Peerless PureFire it will bring you to there I and O manual with all the different codes and procedures.
This discussion has been closed.

Categories