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GC4 Glycol Chiller with Glycol

Don't leave your fermentation to chance. Leave it to the Grainfather.



Availability In stock
All Grain Brewing

The Grainfather GC4 glycol chiller allows you to take your fermentation to another level. Power and control the temperature of up to four GF30s, each with different temperatures and their own fermenting schedules. By accurately controlling the temperature of your fermentation, you can produce consistent beers, every time.


  • Sleek and compact design with LED control display
  • Control and power up to four Grainfather GF30s at different temperatures and fermenting schedules
  • Cold crash 23L of wort to temperatures as low as 4 - 6°C
  • Compatible with the Grainfather App when connected to a GF30 or GCA, for managing your fermentation from anywhere
  • Use with the GCA, to connect a variety of different fermenters
  • Backed by a 3-year warranty


View the GC4 Instructions online.


  • Grainfather GC4
  • 3L propylene glycol
  • 2 x cooling connection couplers
  • 2 x 2m insulated hoses
  • Glycol funnel
  • Silicone tube for priming pump


  • 656 x 390mm


  • 28kg


  • 6L glycol tank


  • 300W, 230V


  • None (Wi-Fi control available when used with the GF30 or GCA)

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