Water Heater Experts We're a professional plumbing contractor specializing in water equipment with over 20 years of unmatched expertise. At GW Pumps & Purification, we commit to all of our customers that we have prompt, on time service, exception quality products, communication with integrity, and fair prices. Our quality workmanship with some of the best products on the market will surely fit your needs. We are experts in our trade and invest time, money, and other resources keep our entire team educated and trained in our areas of expertise. We look forward to earning your business!