Here's a great shout out to a company that stands behind its warranty and values customer satisfaction and service. Bought the portable 50 amp version of this surge suppressor & electrical management system back in 2008 / 2009. Returned it in early 2010 due to water intrusion. Progressive promptly sent me a new unit which has functioned perfectly until last week. Returned from a trip and connected coach to a 120 vac 20 amp household circuit. PT50C display indicated high voltage on L-1 ( 255 volts) and L-2 read 156 vac. Measured incoming voltage at 126 vac. Went to Progressive's web site and filled out warranty form trying to find out if unit was repairable or toast. Notified today that they were sending new unit under warranty at no charge !! Wish there were more suppliers like Progressive.
I've had 2 replaced no problems, good company 👍