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 Multi-wire branch circuits August 6, 2012 410.118 Access to other boxes. August 31, 2024 210.12 Arc-Fault Circuit-Interrupter Protection. NOT TO BE USED UNTIL 12/31/23 November 20, 2022