Previous Product Next Product SEC-AMB-31 Main board for ASD 531 Please login to see your pricing Login SKU: SEC-AMB-31 Category: Spares Description Repair exchange for the ASD 531. Brochure Technical Brochure Related products Quick View Quick View SparesSEC-RSL-35 Read more Rotary Snap Lock for ASD 535 (Set 4pcs) Quick View Quick View SparesSEC-IPS-35 Read more Insect protection screen (Set 2pcs) Quick View Quick View SparesSEC-AFU-32 Read more Aspirating fan unit for ASD 531/532 Quick View Quick View SparesSEC-AFS-32 Read more Air flow sensor for ASD 531/532