John Arthur Wagner, 70, of South Haven, passed away Thursday, August 23, 2018 at the Bronson Methodist Hospital in Kalamazoo after losing his battle with cancer. He was born January 14, 1948 to Adolph and Elizabeth (Sawyer) Wagner in South Haven. John graduated from South Haven High School with the Class of 1967. After the passing of his father Adolph in 1971, John "took over" Wagner's Plumbing and Heating in South Haven which was founded in 1963. John worked with his brother Michael serving the South Haven Community until his passing. He married Lesley Lynn Stephens on August 3, 1968 at the Methodist Church in Bangor. They shared 43 years of marriage before her passing 2011. John is survived by his children Todd (Holly) Wagner of Allegan and Kim (Frank) Aldana of South Haven, grandchildren Maddison, Carter, Carson Wagner, and Talon and London Pirsein, step-grandchildren Lissy, Tori, Lexy, and Zia Aldana, siblings Mike (Joyce) and Richard (Alyson) Wagner both of South Haven, niece and nephew Tiffany and Roger Wagner, and significant other and best friend - Julie Wood. He also leaves behind many dear family members and close friends. John was a Licensed Master Plumber. He was also licensed as an ASSE International Backflow Prevention Assembly Tester, Certified Training Institutes General Contractor, Mechanical Contractor, and a Boiler Contractor. He was a member of the Loyal Order of the Moose and had been a member of the Rotary Club, a past president of the South Haven and Bangor Men's Bowling League/Men's Industrial League. He also belonged to the Pipe Fitters Union. Visitation will be held from 2:00 PM to 4:00 PM and 6:00 PM to 8:00 PM on Tuesday, August 28, 2018 at the Filbrandt Family Funeral Home in South Haven. Memorial services will be held at 11:00 AM on Wednesday, August 29, 2018 at the First United Methodist Church in South Haven with Pastor Ron VanLente officiating. John will be laid to rest at the Lakeview Cemetery in South Haven. A benefit dinner will be held on Saturday, September 22, 2018 at the South Haven Moose Lodge to help with John's lost wages, business, and medical expenses. Kindly share your thoughts and memories on the family's online guestbook at www.FIlbrandtFFH.com. The family is being helped by the Filbrandt Family Funeral Home in South Haven, 637-0333.