When one of our customers reached out in urgent need of a hot water solution, McDonald Water Storage delivered – literally. Within just two hours of their initial call, a 210-litre POWERflow unvented cylinder was prepped, ordered, and collected for same-day installation at a popular bistro in South Queensferry.
Faced with a tight deadline and operational pressure, our customer knew they could rely on us for a fast, high-quality response. The unit was ready to go thanks to our on-site production and flexible approach to urgent requirements, ensuring minimal disruption to the bistro’s day-to-day service.
The 210L POWERflow specified for this project is part of our robust commercial range, known for delivering reliable performance in high-demand environments. This particular unit included:
- A 210-litre capacity for high-volume hot water storage

- Unvented design, suitable for mains pressure systems
- Twin 3kW immersion heaters for backup and peak-time demand
- High-grade copper construction, offering enhanced durability and thermal efficiency
- Built-in safety features including pressure relief valves and thermostats
- A white metal case and 50mm insulation jacket for maximum efficiency and sleek finish
Located beneath the iconic Forth Rail Bridge, Railbridge Bistro is a popular spot in South Queensferry, renowned for its locally sourced food and picturesque setting. Ensuring a reliable hot water supply is crucial for maintaining service standards – especially during busy trading periods.
This successful same-day turnaround demonstrates the value of working with a UK manufacturer who can respond swiftly and deliver solutions tailored to the immediate needs of installers and end users alike.
We’re proud to have supported our customer in delivering a seamless installation of the POWERflow unit, and to play a small part in keeping the Railbridge Bistro running smoothly.


