Frequently bought together
This Rapid Fast Flow Unvented Undersink Water heater has proven to be the most reliable undersink water heater hsd has ever sold. Sales running into the thousands and fantastic customer feedback along with literaly no returns. You can buy the Fast Flow with total confidence.
Full 9-5 Weekdays Technical & Installation Telephone Support
Our NEW TOP QUALITY 10 and 15 Litre Under Sink Electric Water heaters are constructed from quality materials and designed to a very high standard.
Installation is simple, with all component parts easily accessible, and it is a compact unit.
The size means that it can fit into the most confined spaces.
The ½" inlet cold water pipework connections are spaced 100mm apart, making the unit interchangeable with most heaters on the market.
NO NEED FOR EXPENSIVE VENTED TAPS !
Our heaters are suitable for connection to conventional taps.
As standard, the Rapid heaters have a two-year vessel guarantee and are despatched complete with a Safety Valve.
* Simple installation
* All components easily accessible
* 1/2" inlet cold water connections makes
the unit interchangeable with most
heaters on the market
* High impact-resistant casing
* 2-year vessel warranty
Documents & Instructions
Frequently asked questions
We also recommend for you to confirm with a qualified plumber/electrician if the products are suitable for your requirements before purchasing.
Ask one of our experts!
We aim to answer all questions as soon as possible - often within a few hours! Although please bear in mind that during busier periods it may take up to 48 hours to receive a response. We look forward to hearing from you.