Carat XXL Underground Firefighting Water Tanks provide a dependable and immediate water supply to fire brigades in the event of a fire emergency.
Purpose-built with the right connections for the efficient and effective delivery of water, the Carat XXL is specifically designed for situations where the mains water supply may be insufficient.
It ensures that a critical volume of water is always available — helping to protect lives, animals, and property across Ireland.
Thanks to its modular tank design, the Carat XXL system allows for large storage volumes, with tanks joined together using electrofusion-welded low-level connections to guarantee a robust and leak-proof solution.
Mains top-up valves can be incorporated to maintain water levels automatically, and the system can be seamlessly integrated with building management systems (BMS) to provide real-time monitoring and control.
Ideal for a wide range of projects, including schools, hotels, hospitals, train stations, airports, wind farms, petrol stations, industrial facilities, and residential developments, the Carat XXL delivers both reliability and performance when it matters most.
- Flexibility and stability perfectly combined.
- Available in sizes up to 52,000 litres.
- Modular system allows for independent cleaning while ensuring adequate volume.
- Suitable for HGV loading up to 40t.
- Telescopic dome shaft (two included with certain tanks).
- Easy access ladder for inspection.
- Fill with drinking water or rainwater.
- Optional EcoBloc firefighting water tank for additional storage.
- Includes firefighting water connections in accordance with BS336.
- 50-year design life.
- Carat XXL Tank.
- Telescopic dome shaft.
- Suction strainer.
- Anti-vortex plate.
- PE-Suction pipe with flange.
- Suction pipe extension.
- Suction pipe.
- Easy-access ladder.
- Vent pipe.
- Holder for information sign.
- Information sign according to local regulations.
Free delivery on orders over €30 +VAT across the Republic of Ireland. Smaller orders carry a flat-rate delivery charge, shown at checkout. We don't currently deliver to Northern Ireland or Great Britain.
Timing: in-stock items are dispatched within 1–4 working days of payment clearing, with delivery typically 2–5 working days after dispatch — you'll get an email when your order ships. Special-order items usually dispatch within 5–10 days, and we'll keep you updated on anything delayed.
Tank & large system deliveries are scheduled with you in advance. Offloading is the customer's responsibility — please have suitable equipment (such as a teleporter or digger) and a helping hand on site, and make sure the address has clear access for a large delivery vehicle.
On arrival: inspect your delivery before signing. Tanks should be checked on site with the driver present and any damage noted on the delivery docket — claims can't be accepted afterwards. Please report any damage or shortages within 48 hours.
Collection: you're welcome to collect from our premises at Milltown Business Park, Co. Galway — just arrange it with us in advance.
Unsure about delivery to your site? Call us on 085 252 1255 before you order — we're happy to advise.


