https://bloomington.craigslist.org/tls/d/clear-creek-thermoheat-37k-to-47k-btu/7931520904.html
Thermoheat 37K to 47K BTU LP Heater - tools - by owner - sale - craigslist
Thermoheat 37K to 47K BTU LP Heater. Only used a few of times. Tested and fully functional Price $30 OBO