Burnham 107039-02, 3" PVC Vent Kit for Alpine, Aspen, and K2 Boilers
Burnham K2 Fastpipe - Ready-Made Primary/Secondary Piping (For K2 Sizes 150-180)
Burnham K2WT-120B-6G Gas Boiler, 95% AFUE, Single Phase, 112000 BTU, Direct Vent, 120 MBH
Burnham NG to LP Gas Conversion Kit For 135-150K BTU K2WT Boilers 107874-01 LP CONVERSION KIT (120B, 150B)