0 to 30 PSI Pressure Gauge with 1/4″ NPT threads by Zenport
A similar gauge is featured in our Spunding Valve Build. A Spunding Valve allows you to ferment under pressure, naturally and precisely carbonate in the keg, fix over-carbonated beers and lots more. See: [Build a Spunding Valve].
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Build a Spunding Valve – Step by Step