I have and exterior steel door with magnetic seals along the sides and top. On the bottom the sill is capped with aluminum with a plastic channel threshold. I have replaced the door sweep seal on the bottom of the door and checked to ensure that the holes in the plactic channel are clear.
Whenever we get rain with wind on the face of the door water can be seen entering my house at the lower corners of the door. Things are worse when we have snow folowed by rain. Are there better seals I can get? Is there anything I can do except install a storm door? A Storm door would make it hard to get out when we do have snow.
The threshold needs to be shaped and positioned so water runs off it and away and does not have a tendency to seep undeneath the door or underneath the entire threshold.
The good conscientious technician or serviceperson will carry extra oils and lubricants in case the new pump did not come with oil or the oil was accidentally spilled, so the service call can be completed without an extra visit.