The DROP 4.5 sauna heater is a powerful and efficient model with a kilowatt rating of 4.5 kW. It is designed to heat sauna spaces ranging from a minimum of 106 cubic feet to a maximum of 247 cubic feet. The heater itself weighs 24 lbs, while the total shipping weight including sauna stones is 146 lbs. Operating on a 240V single-phase connection, it draws 18.8 amps and requires a 30-amp circuit breaker, with a recommended wire size of 10 AWG. The unit’s compact dimensions—15.4 inches wide (390mm), 13.2 inches deep (335mm), and 23.3 inches high (590mm)—make it suitable for a variety of sauna installations.