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 Panelboard identification 408.4(B) May 6, 2014 Code Change missed. October 2, 2016 Track Lighting loads 220.43(B) EXP. August 9, 2015