Finish every shot cleanly and protect your coffee flavour with this factory bottom-outlet valve, part C219903081. Fitted to Rocket’s Group M brew assemblies, the valve opens at the end of extraction to relieve group pressure, drying the puck and freeing up the next dose. Precision-machined brass threads seat perfectly in the group block, while the spring-loaded stainless spindle snaps shut under brew pressure to prevent false starts and channeling. Swap a tired, leaky valve for this OEM replacement and enjoy bone-dry pucks, sweeter cups and a cleaner drip tray.
Key Features & Benefits
Exact Group M fit — threads in without shims or modification
Low-lead brass body — food-safe, corrosion-resistant and easy to descale
Spring-loaded stainless spindle — rapid pressure release for dry pucks and stable brew flow
Factory Viton® seal — drip-free closure, long life under high temps
Quick DIY install — one wrench, five minutes, huge flavour payoff
Swap in this genuine Rocket valve and keep every extraction crisp, tidy and delicious.
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This part is compatible to the original part number. Part numbers are always leading.
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