
Lockable Filler Cap
For fresh water or diesel
A lockable filler cap that fits all common filler necks and accepts STS, Zadi, FF-2 and HSC plug-in cylinders – diesel-resistant and suitable for drinking water.
- Cylinders
- STS, Zadi, FF-2, HSC
- Media
- Water / diesel
- Ventilation
- With or without
- Fits
- All common necks
STS USA supplies RV manufacturers (OEMs) and dealers. Drawings, samples and quotations on request.
Features & benefits
- Prepared for STS, Zadi, FF-2 and HSC plug-in cylinders
- With or without ventilation
- Available in different colors
- Suitable for drinking water in accordance with current German drinking water regulations
- Diesel-resistant
- Also available pre-assembled with cylinder and keys, without spigot
- Fits all common filler necks: STS, Zadi, Fawo, FAP and ABL Sursum
Technical data
| Type | Lockable filler cap |
|---|---|
| Media | Fresh water, diesel |
| Cylinders | STS, Zadi, FF-2, HSC |
| Ventilation | With or without |
| Compatible filler necks | STS, Zadi, Fawo, FAP, ABL Sursum |
| Delivery options | Cap only, or pre-assembled with cylinder and keys (without spigot) |
| Drinking water | Suitable (German drinking water regulations) |
| Diesel | Resistant |
| Colors | Various |
Metric values are binding; inch values are rounded for reference. Specifications may change as a result of product development.
One key for the whole vehicle
Lockable Filler Cap is prepared for STS, Zadi, FF-2, HSC plug-in cylinders. Combine it with an STS cylinder system and key every lock on the vehicle alike.

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View productInterested in Lockable Filler Cap?
Send us your requirements – vehicle type, wall thickness, color and annual volume – and we will prepare a quotation or samples for you.


