Gasfitters and Drainlayers Board Novemberexaminations. Enrolments for the Novemberexaminations are open and will close onSeptember 2017. Applications must be postmarked no later than. North-Beach Plumbing Plus Plumbing Supplies & Dobson Bathroom Westmoreland Products NZ Leading retailer of plumbing supplies and bathroom products in Australasia. Visit one of our NZ wide plumbing stores or buy plumbing supplies online today Laser Plumbing Find Your Local Plumber Auckland. Laser Plumbing Nationwide Commercial & Domestic Plumbers Auckland, Wellington, Christchurch & surrounding areas. Laser Plumbing is New Zealand s leading Miller-Place plumbing.