Water Heater Install Common Mistakes in Hot Water Heater Installation How to Install a Water Heater – Step-by-step Note – the seismic straps installation in this video, are only needed in designated earthquake areas. Helpful resources for products, and services. Just click on the image. If you feel that the information provided on this site was a big help to you, any donation of $2.00 to $10.00 would be greatly appreciated.