Run a 1 ¼†galvanized pipe from the stub out under the window (just under the eave) across and over to the pool heater. Bradbury Brothers will not connect to the pool heater, need to have pool heater tech for conversion and testing valve is left off. Replace 50 gallon lp gas water heater over master with new natural gas water heater and pan with new flexes and sediment trap. Replace 40 gallon lp gas water heater over kitchen with new Natural gas water heater and pan with new flexes and sediment trap. Water heater are lit and operational on natural gas.