Reserve from the case
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
Reserve from the case
Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
testo Smart App
2-speed options selectable at install
Zehnder P/N 400 100 017
air or immersion/penetration measurement (optional)
Zehnder ComfoAir Q350/450/600 Main PCB 400100031 testo Smart AppMain PCB for Zehnder ComfoAir Q350 450 600
Pay in 4 interest-free payments of $39.08 Learn more