Mark P Posted January 9, 2007 Report Share Posted January 9, 2007 Can anyone tell me what year this natural gas boiler was made? Hydro Therm Serial: RA-1824 Model: R-180B Quote Link to comment Share on other sites More sharing options...
dmarietta Posted January 10, 2007 Report Share Posted January 10, 2007 Looking on the Hydrotherm website, they are referring to a R180C and mentioning the date of 1990 concerning some type of upgrades. My guess is pre-1990. If you have the time, you might check out their site and contact info. Quote Link to comment Share on other sites More sharing options...
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