
    474 A.2d 696
    Sapp Roofing Co., Inc. v. Thermoflo Equip. Co., Appellant.
    Petition for Allowance of Appeal Denied Aug. 23, 1984.
    Argued February 7, 1984.
    Philip B. Hart, Jr. for appellant;
    John Richard Orie, Jr. for appellee.
    Before BROSKY, OLSZEWSKI and JOHNSON, JJ.
   Judgment of March 24, 1982 affirmed.  