Maxx Air PCB for Maxx Fan

Maxx Air P.C. Board. 10-21277K

Suites the following Maxfan models

- MaxxFan 4500KI / 4540KI Roof Vent.
- MaxxFan 4000KI Roof Vent.
- MaxxFan 7000KI / 7500KI Roof Vent.