Arrived onsite to customers home to replace their old 80% furnace. Disconnected venting, ducting, wiring and gas. Removed old furnace, installed new furnace, connected gas electrical, ducting, and venting. Supported venting. Sealed ducting. Converted unit to propane, set manifold pressure on low stage to 6 inches wc as per manual, set manifold pressure in high stage to 10 inches wc as per manual. Turned on furnace, supply air temperature in low stage was 100 degrees, supply air temperature in high stage was 112. No co was present in duct stream. Return air temperature was 65 degrees.<br> <br> Thank you for choosing CPI Plumbing and Heating Inc.