ACV 557A0040 gasket fan to door HM201

Gasket 557A0040 – Genuine ACV Seal. Gasket 557A0040 seals heat exchanger and hydraulic joints in ACV boilers, preventing leaks and ensuring reliable operation. Installed on: Smart E 130 HeatMaster 45 TC Benefits: Premium sealing material Precise fit Temperature-resistant Replace with genuine ACV gaskets during maintenance to ensure long-term performance.