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ST1 - Hydra Grease Trap 18 litres/4 gallon capacity.
Note : Hydra ST1 Grease Trap is for Above Ground Installation & Suitable for Domestic Use only.
Dimensions : 475mm x 250mm x 320mm
- 18 litres capacity
- Sufficient for 12 covers a day
- Suitable for domestic applications
- Above ground installation
- 1 Chamber
- Free 1 litre Grease-Eater Enzyme solution
For best results we recommend using Hydra Grease-Eater Liquid to digest the fats, oil & grease in the grease trap.
How much Grease-Eater Liquid will I need to use?
Grease-Eater Dosing Chart PDF

Grease Eater Liquid can be added Manually or Automatically through Hydra's Grease-Eater Dosing Pump
Important Legislation Advise
The Building Regulations 2000 (H1 Foul water drainage - 2.21) as amended 2002. Requires that all kitchen drainage in commercial hot food premises should be fitted with an effective means of grease removal.
Grease traps should be used to support the drainage system and help prevent grease and liquefied fats solidifying and blocking the drainage pipes. Grease traps are particularly necessary in catering and small processing establishments and small commercial kitchens where more than 30 meals per day are served regularly or grease and fats are used in a catering process and waste by products are readily discharged via the foul drainage system. However Grease Traps can also be used in the domestic home.
The ST range is for above ground installation only and is made form robust HDPE. It is easy to clean and maintain and is suitable for domestic use and low use commercial kitchens.
Technical Information
Model: ST1 Grease Trap
Location: Above Ground Installation
Approx No. of covers: 12
Flow L/sec: 0.15
Weight: 3 kg
Pipe Size: 50mm (reducers available)
Hydra Grease Traps Complete Range
| Hydra Grease Trap Range-Prices* & Sizes** | |||||||
| Model | Picture | Location | Approx Covers |
Flow L/Sec |
Dimensions** L x W x H |
Pipe Size |
Price* |
| ST1 18 litre / 4 gallon |
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Above Ground | 12 | 0.15 | 475x250x320mm 18.7x9.8x12.6inch weight 3 kilo |
50mm | £99.95 |
| ST2/ST2a 55 litre / 12 gallon |
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Above Ground | 35 | 0.25 | 500x294x510mm 19.7x11.6x20.1inch weight 5 kilo |
50mm | £169.95 |
| ST3 70 litre / 15 gallon |
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Above Ground | 70 | 0.35 | 470x470x475mm 18.5x18.5x18.7inch weight 7 kilo |
50mm | £199.95 |
| GT1 150 litre / 35 gallon |
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Above or Below Ground | 150 | 0.75 | 750x570x530mm 29.5x22.4x20.9inch weight 10 kilo |
110mm | £280.95 |
| GT2 300 litre / 70 gallon |
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Above or Below Ground | 300 | 2 | 1550x570x530mm 61.0x22.4x20.9inch weight 20 kilo |
110mm | £385.00 |
| GT3 450 litre / 100 gallon |
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Above or Below Ground | 450 | 2.5 | 1670x690x530mm 65.7x27.2x20.9inch weight 30 kilo |
110mm | £410.00 |
| * Prices excludes VAT ** Dimensions do not include external pipe work.All the pipe work are manufactured from black polyethylene have lids, internal baffles and connectors for standard pipe-work either 50mm or 100mm depending on model. | |||||||


















