Question about Superior Lennox Blower Thermal Sensor - BTS
That is most likely the control transformer - it drops the 240vac to 24vac for the thermostat, and the run contactors. The transformer may have a loose lamination - not a problem, unless you are bothered by the noise.
Posted on Apr 23, 2010
Testimonial: "Thanks for your help kinda of worried since we live in Arizona and it's about to get hot!!!!"
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Posted on Jan 02, 2017
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