Arrived at location on 1/26/22 - Checked over unit found steams right away. Lowered thermostat and watched cycle found ok also noticed drain not draining. Will need to order and return also need to order level probes. Returned to location on 2/2/22 - Replaced probes. Found tank will not drain. Siphoned out water and attempted to clear drain. Poured delimer in and will let soak over night. Will return to finish repairs. Returned on 2/3/22 - Replaced valve. Tested found ok at this time.