Blower Relay, Electric Heat Tips and Mistakes

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In this video we talk about –

  • Common misunderstandings about blower relays
  • How Blower relays connect to sequencers
  • How Sequencers and other relays connect to electric heat
  • Mistakes techs make that cause major damage and high power bills
  • How to replace a blower board with a universal 90-340 relay


  1. Avatar Cody Stigaullde says:

    Thanks for the tips! I’m pretty new to the hvac world and I’m sill learning something new every day! Just wanted to say that your tips and videos are very helpful and that I really appreciate it.

    Cody S.
    Yates maintenance
    Heating and air
    Little Rock, AR

    1. Avatar HVAC School says:

      You’re welcome. Glad to hear it!

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