Northern Ireland's Leading, Multi Award-Winning Plumbing & Heating Merchant. The company have found the perfect balance between being focused on Northern Ireland while also reaping the benefits of being part of the UK's largest plumbing, heating and cooling trade specialist merchant Wolseley UK. When the company was formed in Armagh in 1982 it was with an ambitious plan to build an innovative and service-driven company. Now, over 30 years on, the award-winning plumbers' merchant has 16 branches covering every county in Northern Ireland. We cater for every plumbing and heating need, ranging from boilers and radiators through to bathrooms, showers, tiles and everything in between. Find Your Nearest Branch t.ly/bjjnR