Watersafe approved plumbers are certified by our national accreditation body, with specific training in the water fittings regulations and byelaws. Control systems brands include. Reevoo™ is a registered trademark of reevoo ltd trademark 2005-2018 reevoo ltd. I would highly recommend the worcester bosch. Average heating engineer rating in the uk. Ask them to survey your home and give you a quote. Using modern and proprietary technology. As you’ve already read, boilers and water heaters provide.