Product review (5 stars): Works perfectly with the Fahrenheat FUH724 240-volt Garage Heater, ...
Works perfectly with the Fahrenheat FUH724 240-volt Garage Heater, 3750-7500-watt  and Leviton 279 50 Amp, 125/250 Volt, NEMA 14-50R, 3P, 4W, Flush Mount!