16 Pa. Stat. § 5607
If the owner, lessee or occupier shall refuse to remove his personal property therefrom or give up possession thereof, the petitioner in the proceedings may serve written notice upon such owner, lessee or his agent or the occupier to remove his personal property therefrom and give up possession of said lands, property or materials within thirty days from the date of the service of said notice.
If the owner, lessee or occupier of said lands, property or material shall refuse or neglect to remove his personal property therefrom and give possession thereof, upon proof of the service of such notice being filed in the office of the prothonotary for the county in which said lands, buildings or other property is located, a writ of habere facias possessionem shall forthwith issue, directing the sheriff to give to the party entitled thereto possession, as is provided for by existing laws.
16 P.S. § 5607