Chris M came out due to no heat. Performed diagnostic. Found error code 4 which stated high limit switch. Tested and found we volts across the limit switches. Reset the furnace. Furnace came on started to go through process of lighting. Got to gas valve to turn on. Gas valve would not allow gas to flow through. Tested incoming and got incoming gas pressure. Checked voltage to gas valve. Getting 24 volts. Gas valve is faulty and recommend replacement. The control board is becoming faulty and is recommended to be replaced. The high limit switch has been tripped and is recommended to be replaced. Providing customer with options. Got permission to perform work. Wants to try to get financing. Customer got approved for financing. Submitted transaction. Going to have to come back in the morning with components and fix furnace when we can get proper components. Need to place job on hold. Will need to continue again first thing in morning to find parts and get customer heat again. Chris M came