Durastar DRU1H60S2A 60,000 BTU Sirius Heat Side Discharge Heat Pump Outdoor Unit - R454BDurastar DRU1H60S2A 60,000 BTU R 454B Sirius Heat Single Zone Heat Pump Outdoor Unit Deliver maximum heating and cooling capacity with the Durastar DRU1H60S2A, a 60,000 BTU Sirius Heat single zone heat pump outdoor unit built to maintain performance down to 22 F, providing reliable comfort in the harshest climates. Cold Climate, Heavy Duty Design Measuring 37 1 2" x 15 15 16" x 52 1 2" and weighing 242. 95 lb, this rugged unit includes a base pan