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Nuova Simonelli Expansion Valve Gasket

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Product details

Management number 248408938 Release Date 2026/09/03 List Price $0.78 Model Number 248408938
Category

Nuova Simonelli Expansion Valve Gasket - Silicone

A flat silicone gasket for the Nuova Simonelli expansion valve, sealing the valve body against pressure loss.

SPECIFICATIONS

  • Dimensions: 12 x 4.5 x 4mm; silicone, flat gasket

COMPATIBILITY

  • Fits: Nuova Simonelli expansion valve assemblies
  • Replaces: Nuova Simonelli S_51

INSTALLATION

Simple DIY swap during expansion valve service.

PRO TIPS

  • Since silicone gaskets take a compression set over time, a valve that starts weeping under pressure, even though the spring and piston look fine, is often just this gasket having gone flat; replace it before you replace the more expensive internal valve parts.

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