The Eccotemp L5 compression fitting goes on the gas inlet. Please be sure to apply pipe tape before putting on the Eccotemp L5 compression fitting to ensure there are no gas leaks. Hooks right up to the Eccotemp gas regulator hose which is supplied with the unit.
Customer assumes all liability when purchasing replacement parts.
With a properly sized Eccotemp tankless water heater, you will never run out of hot water and significantly reduce your energy consumption. Eccotemp tankless water heaters are the future of efficiency.