Re: Hurricane heater revisited Reply #25 – December 23, 2003, 08:02:44 am Yahoo Message Number: 7746Doug,Call Craig Garrison @ Hurricane he'll explain it to you as I cannot. I am taking a trip on the 26th, we'll let you know if this wiring change really worked.Thanks, Mike ...Allure 30898- In Country-Coach-Owners@yahoogroups.com, "Doug Rosenberg" wrote:QuoteMike,Did anyone explain how changing the wiring is going to stop coolant loss?QuoteIsn't the system closed, i.e. any overflow goes to the expansion tank, notQuoteout a vent? Doug Allure 30929 Quote Selected