$18.48 inc GST
This brass boiler vent valve prevents vacuum formation inside the boiler during cooling and ensures a clean, stable pressure rise during heat‑up. When the machine cools, the valve opens to admit air and protect the boiler from negative pressure; once steam pressure builds, it closes to create a sealed, pressurised system. A worn valve can leak steam, hiss continuously, or delay pressure stabilisation, making periodic replacement essential for reliable operation.
$18.48 inc GST
This brass boiler vent valve prevents vacuum formation inside the boiler during cooling and ensures a clean, stable pressure rise during heat‑up. When the machine cools, the valve opens to admit air and protect the boiler from negative pressure; once steam pressure builds, it closes to create a sealed, pressurised system. A worn valve can leak steam, hiss continuously, or delay pressure stabilisation, making periodic replacement essential for reliable operation.
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