Went out to customer house to replace 2 shut off valve for hose Bibb front & rear while building task inspector show up to inspect water heater that was installed by us 04/10/18 by tech 1804101170mcASR for lose flute also no carbon monoxide was installed have rush to truck to fix flute in the present of the inspector and call for runner to bring detector convinced inspector to get final tag he then told the customer to call if we did install the carbon monoxide detector but I got everything done and completed