Espresso Forge V2 brew-head o-ring search https://www.home-barista.com/levers/espresso-forge-v2-brew-head-o-ring-search-t101385.html These are listed as each, only one is needed as a replacement. Fits pre- 2021 models // v2, v2.1, v2.3 and v2.4. Newer versions are press fit and do not require this O-Ring.
Material: Silicone
Cross Section: Round
Size (Dash Number): 012
Durometer Rating: 70A
Actual Outside Diameter: 1/2″
Actual Inside Diameter: 0.364″ (9.25mm)
Cross Sectional Diameter: 0.070″
Temp Range: -76°F to +437°F
Any 012 O-Ring replacements can be used, but depending on material and Durometer rating (hardness) will depend on their life. Regular O-Rings (usually nitrile or Viton material) will also work, but silicone is the suggested material for a static seal such as this.
