FIRSTCO First Company Model: 18SPXC5-HP Stock Number 75TD1805 Vertical PTHP Heat Pump Unit 208/240V 1Ph 60HZ 18000 BTUH 4.5 KW @ 240V / 3.4KW @ 208V Back Up Electric Heat *** Same As / Replaces Amana Model VTH183E05AA *** Chassis Only