RTH3100C For Heat Pump Systems SPECIFICATIONS: MODEL RTH3100C Master Carton QUALITY TEMPERATURE CONTROL FOR HEAT PUMPS Qty 6 Dim. WxHxD (in.) 7.25 x 19 x 9.25 Carton Wt. (lbs.) 4.0 Cu. Ft .74 Retail Package Qty 1 Dim. WxHxD (in.) 7 x 9 x 2.25 Unit Wt. (lbs.) .55 Cu. Ft .