Installed mobile home gas system. Installed Honeywell thermostat. Installed roof jack and sealed with roof cement. Ran high voltage in 3/4-inch Seal-Tite and dug into ground. Ran low voltage in 1/2-inch Seal-Tite. Built new drain line to outside of the house. Pressure tested and pulled a vacuum on the line set. Verified system charge was to manufacturers specifications.