Heater Kit, PTAC, For Use With Grainger Item Number 36PT40, 36PT42, 36PT45, 36PT47, 36PT50, 36PT52, 36PT55, 36PT57, 36PT60, 36PT62, 36PT65, 36PT67, 36PT70, 36PT72, 36PT75, 36PT77, For Use With Mfr. Model Number PTC073G35AXXX, PTC073G35CXXX,...