Fall pm on 12/19/19 On arrival set unit to call for heat measured supply and return air temp measured voltage and amps inspected electrical connections checked drain checked air filter checked blower motor checked compressor capacitor checked coil checked EWP and LWP also water temp also I sanded the flame rectification probe and checked burner arrangement the ignitor homes out to be in good condition checked all other electrical connections DT 45.2 unit made temp rise 30-60 unit tested unit operating normal at this time. Recommended duct cleaning uv lights installation and single or hole house surge protector needs to be installed to avoid future problems.