680.25 Gas-Fired Water Heater Post author:Jake Post published:February 27, 2022 Post category:Code Change of the Week This Code Change is all about GFI protection. Anything above 30 volts will have to be GFCI protected. So if you have a 120 volt gas-fired “POOL” water heater then it will be required to be GFCI protected. Till next time be safe work safe. Jake You Might Also Like 210.8 GFCI protection 7/31/2016 July 31, 2016 2014 Code Change 110.21 (B) Field-Applied Hazard Markings. July 2, 2016 Multi-wire branch circuits August 6, 2012