Eternal Hybrid Water Heaters introduces its residential GU120 hybrid water heater with a 1/2-in. gas line capability that makes for a simpler and more efficient installation for plumbing contractors. It succeeds the GU100 model and adds 20% more Btu. Additionally, homes with the GU120 can use a shower and a dishwasher simultaneously and not worry about a lack of hot water. The GU120 is an eco-friendly and cost-effective alternative to standard tank and tankless water heaters.