Searching for guardian quiet source 22kw standby generator wholesale at Amazon I found nothing exactly matching with the terms. In result, I just found some related products that might be an interesting for you. Here is one of them: Generac RTS Transfer Switch – 400 Amp, 120/208 Volts, 3 Phase, Type N, Model# RTS-N-400G3. This is a product by Guardian and is priced $2,199.99. You’ll get this item within approx 6 to 10 days. Ships from and sold by Northern Tool & Equipment Designed for a wide variety of applications that require up to 400 Amps. Type N (Normal Standard Switch) is for...