Contact Us Address: MANUWA PLUMBING INC. P.O. Box 700056 Kapolei, HI 96709-0056 Phone: (808) 672-8460 FAX: (808) 672-8294 Email: manuwa-plbg@hawaii.rr.com Web site:  www.manuwaplumbing.com Additional Offices: Please contact us for a complete list of our service locations. Business Hours: Our office staff is available Monday through Friday, 8 a.m. to 4 p.m. Closed weekends and Holidays. Please call us to arrange special hours and overtime services or to schedule an appointment. For projects in progress, emergency contact is available 24-hours a day.