2020 water furnace 5 series package Topped off non-pressurized two pump flow center and tested antifreeze at 0.981 alcohol approximately 10° freeze protection Flush drain system and shop vac equipment Test run equipment in multi-stage heat pump heating and emergency heat mode Test all zones Reseal cabinet insulation Test run Bryant 600 model bypass humidifier. Humidifier is not operational and needs replaced. water shut off valve and water solenoid valve are clogged corroded and leaking. recommend upgrading to aprilaire 700 fan powered or 800 steam