Removed and disposed of existing Buderus GB142 Saved key component replacement parts and left on site per Tom Provided and install new triangle tube solo 110 (as per estimate) * Connected to venting system * Connected to combustion air system * Connected to supply and return piping system * Connected both line and low voltage * Routed Pressure relief discharge to hub drain * Routed condensate piping to hub drain Performed installation of propane conversion kit Performed propane conversion programming LP=X422 Cycle tested DHW priority twice Cycle tested central heating as required Confirmed proper operation Used gas sniffer and soap bubbles to test for gas leaks No gas leaks present Tested pumps and piping No issues or concerns with pump and piping Observed normal operation for approx. 2 hours after start up. Model #INSTINCT SOLO 110 Serial #INSOLOAA001842 Note: System continues to operate off Tekmar TN4 control system which send a 0-10VDC to modulate Triangle Tube boiler during cent