For after-hours emergency, will call and/or commercial water heater full service delivery, please call (800) 217-9480.?erguson is the trusted plumbing supplier for the professional plumbing contractor who demands quality plumbing supplies, tools, repair parts and bathroom fixtures from today's top manufacturers. Whether you specialize in service calls or new construction plumbing, we specialize in getting you the wholesale plumbing supply products and solutions you need to stand up to every plumbing project. See how our knowledgeable associates, on-site trainings and full-service solutions give you the tools you need to better serve your customer.