Removed old equipment and installed new Rheem 92% gas furnace and 2 ton evaporator coil and a/c. Installed new coil safety switch, new condensation pump, new vinyl tubing, new pvc flue vent, new combo switch to power furnace and condensation pump, and new thermostat. Fixed water heater flue vent. Reconnected high voltage, low voltage, drain line, gas line, supply plenum and return plenum. Tested system operations in heating and cooling, set refrigerant charge.