1/4″ Anti-Vacuum Valve Stainless Steel

There are many names for this part, but a brief description should suffice: this valve allows air to escape the boiler as the water heats up, hissing and then closing off when the boiler water reaches its operating temperature, sealed by the steam pressure created. Cross-references : Part number Manufacturer F.2657 Ascaso 418911010 Casadio 418941010 Casadio 418911010 Cimbali 418941010 Cimbali 537040300 Cimbali 418911010 Faema 418941010 Faema 537040300 Faema 1523073 LF