Hi everybody ,
I have a laars lt heater that is heating a 15000 gal pool and switchable to a spa
1the heater seems to cyle when trying to heat
2the airflow error light comes on after approx 20min, i turn off, turn back on all is fine until 20 min later. Then repeat the process
3with only one water input& output (i can heat the pool and spa seperatly through a series of manifolds) should i use the pool setting or the spa setting, whats the difference