Therm-O-Disc Heat Sequencer 15S2 309574 24V - Used. Condition is Used. Shipped with USPS First Class Package.

Used. Tested. Works

Other markings on this sequemcer (not sure of significance) : 309574 / H30-90 C1-30

Recovered from a working Goodman air Handler heat kit model # B10375-19 that was decommissioned for upgrading.  

**30 day warranty** begins on first day of delivery

Thanks!