68 Pa. Stat. § 250.312
The landlord and his agent shall be liable to the tenant or the owner of the personal property distrained on in an action of trespass, (1) if the distress is for more rent than is due, (2) or if the amount of personal property distrained is unreasonably great, (3) or if made after a proper tender of the rent due was rejected, (4) or if the distress is conducted irregularly or oppressively, (5) or if any personal property taken in distress was, to the knowledge of the landlord or his agent, not distrainable, (6) or if the distress is made at an improper time, (7) or if the landlord or his agent receives notice, after the distress, from the owner or his agent or from the tenant having possession of the property that the personal property distrained on was not subject to distress and nevertheless proceeds with the sale without affording the owner a five day period after such notice to replevy such personal property.
68 P.S. § 250.312