Image 1 of 3 Image 2 of 3 Image 3 of 3 THERMO AVANTIK CPU Board for HM525 HM520 QS11 Cryostat Part # 604530 $1,689.64 Get notified by email when this product is in stock. Add To Cart Added! Thermo HM525 HM520 Avantik QS11 Cryostat CPU Board OEM Part # 604530Fully tested and confirmed operational. Thermo HM525 HM520 Avantik QS11 Cryostat CPU Board OEM Part # 604530Fully tested and confirmed operational. THERMO AVANTIK Triac Board/Power Board for HM525 HM520 QS11 Cryostat Part # 602170 $472.97 Add To Cart Condition: Genuine OEM - Used // ...