CMA 1/4 x 3/8" Check Valve Brand Fits: Any standard Nuova Simonelli

Fits: Any standard Nuova Simonelli portafilter

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The spring is included

Known globally for durability

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CMA 1/4 x 3/8" Check Valve Brand Fits: Any standard Nuova SimonelliCMA 1 4 x 3 8" Check Valve This check valve, made of low lead content brass (CW510L OT57), releases at 12 bar, water flows in toward the internal gasket. It's now fairly rare, since CMA has moved to three way combination expansion valve check valve assemblies. A less common 3 8" x 3 8" version is also available (AS_232). SPECIFICATIONS Material: Low lead brass (CW510L OT57) Pressure Range: Releases at 12 bar COMPATIBILITY Fits: CMA machines using this