one pump shared suction spa and pool and one natural gas heater: is it possible to heat separately ?

I have one pump shared with my spa and pool returns  is there a way to heat my spa separately and then pool separately ?

im very handy and have freidns that are master plumbers also , and ive GC my pool on my own and installed the pump and  sand filter and plumbing works so far , now its time for the spa pool heater instal im using natural gas raypakk 266