Upon arrival spoke with customer. Customer is explaining that he had his plumber out to do some work on the boiler. plumber replaced module to get boiler to run. Boiler fires up and customer has issues with flow. Plumber was unable to replace circulator pump. Circulator pump that he had, had a different directional flow. While on site checked x2 taco 007 circulator pumps. Main pump was getting correct voltage but showed that pump is operating with high amperage. Follower pump had low voltage of 50 volts instead of factory rating off 115 volts. Pump showed that amperage is .49 operating below factory rating of .71 amps Customer has multiple issues with boiler. Customer is aware that module could also be an issue, Customer was given module that had single wire harness for circulator pump. Customer original wire harness is duel wire that plugs into moral port @ control module. Customer will replace is module through the method of plumber and or company that installed module. Customer will