| Feature | G30 | G40 | G70 |
|---|---|---|---|
| Body Material | 304 Stainless Steel (0.5mm) | 304 Stainless Steel (0.8mm) | 304 Stainless Steel (0.8mm) |
| Heating Power | 1600W (US 110V) / 2000W (220V) | 3300W (US/EU 230V), regional variants up to 2300–3300W | 3300W (US/NZ/AU/EU 230V), 2900W (UK) |
| Connectivity | Bluetooth (WiFi via optional GCAST) | Built-in WiFi | Built-in WiFi |
| Batch Volume | Max 25L (7 US Gal), Min 10L (3 US Gal) | Max 40L (11 US Gal), Min 10L (3 US Gal) | Max 58L (15 US Gal), Min 30L (8 US Gal) |
| Preboil Volume Max | 30L (8 US Gal) | 46L (12 US Gal) | 60L (16 US Gal) |
| Grain Bill | 1.5–8kg (up to 9kg with optional top plate) | 3–13kg | 8–16kg (up to 17kg with optional top plate) |
| Counterflow Chiller | Optional add-on | Included | Larger unit included |
| Pump Flow Rate | ~3 US Gal/min | 4.2–5 US Gal/min | 7.1–8.5 US Gal/min |
| Bottom Filter Plate | Optional accessory | 2-stage hop filter | 2-stage hop filter |
| Recirculation Fittings | Threaded | Push-fit | Push-fit |
| Boxed Weight | 14.6kg (32lb) | 29kg (64lb) | 37.5kg (82.5lb) |
| Size (H x W) | 685 x 386mm (27 x 15") | 725 x 555mm (28 x 22") | 900 x 555mm (35.5 x 22") |
| Warranty | 3 years | 3 years | 3 years |