Recent content by Machiavelli1512

Fired right up with the new sensor! Owe you a frosty one 1poolman1!

Ty for the quick reply, part ordered! Will report back.

Hi All, I have a 9 month old Mastertemp 400 Pool and SPA heater that will not fire up. My chlorine pool is also 9 months old, it was all new equipment. Some facts: Observations 1. When turning the heater on the panel flashes "ERR SFS" (I get the same error if trying to heat the pool or spa)...