Replacement back board for the AP Airstream TC5-2V2SA 4-Stage Ventilation Control. Restores proper controller operation when the rear PCB has failed or is damaged. Compatible with TC5-series Airstream enclosures. (Controller sold separately.)

Description:

• Direct replacement back board for AP TC5-2V2SA controller

• Supports the controller’s 2 variable + 2 on/off stages and alarm output (per TC5-2V2SA design)

• Water-resistant, barn-ready construction when used in TC5 enclosure

• Works with AP temperature probes (PROBE / PROBE-S)

• Typical install time: ~15–30 minutes; basic tools required
  Includes: back board assembly only (no faceplate, sensors, or wiring harness)
  Fits: AP Airstream TC5-2V2SA 4-Stage Control