Herrin is a city in Williamson County, Illinois, United States. The population was 12,501 at the 2010 census. It is home to Country Music star David Lee Murphy, the hometown of baseball's Cleveland shortstop Ray Chapman, and the hometown of San Diego State University men's basketball coach Steve Fisher, as well as Medal of Honor recipient Joseph William Ozbourn.
The water heater dimensions for these are: 25 5/8 inches for height, 13 7/8 inches for width, and a depth of 9 7/8 inches. There are also other dimensions that are available if you like.
Locate a spot on the chimney where you want to vent your water heater. It should be at an elevation above the vent outlet on the water heater. Use your hammer drill and drill a 4-1/4-inch hole into the chimney. Measure the distance from the vent outlet on the water heater to the hole you drilled in the chimney. Purchase the required amount of 4-inch galvanized vent pipe along with any elbows you need for turns.