The Burnham Boiler 107874-01 LP Gas Conversion Kit is an OEM accessory designed to convert compatible Burnham boilers from natural gas to liquid propane (LP) fuel. It is specifically intended for 120B–150B K2WT high-efficiency condensing water boilers and related compatible models. The kit works by replacing and adjusting key fuel-delivery components, including the LP venturi and gas-... https://www.partshnc.com/107874-01-burnham-boiler-lp-conversion-kit-120-150