Pentair Spa Heater Not Heating

Low or restricted water flow through heater.

Pentair spa heater not heating. Spa is heating very slowly. Dirty or worn filters or clogged lint traps. Step by step instructions to turn on and adjust temp settings on a pentair easytouch pool control system. Clogged filter pump impeller.

It seems like the controls are right. I m having trouble heating my spa. It does heat the spa about 1 degree every cycle. It actually overshot a bit and raised it to 101 once the excess heat was factored in but pretty good.

Improper plumbing valve settings. How to troubleshoot a pentair minimax nt pool heater. Gas pool heaters are useful at any time of the year and usually need to be run for less time meaning less wear on the. My equipment is not far from the spa and it is not a huge spa once it reaches temp it seems pretty stable.

The minimax nt line encompasses standard nt and. I have all pentair equipment easy touch controller with wireless remote intelliflo pump and mastertemp 400 natural gas heater when i turn the spa on it starts normally and the heater will come on and then everything runs for a few mintutes maybe 10 or 15 and then the pump will just stop the heater then goes into high temp mode since the water has suddenly. Suction leak allowing air into the water flow. Spa will not heat to maximum temperature of 104 f.

Pentair s innovations in pool heaters and heat pumps are leading a new revolution in energy efficiency convenience and emissions reduction. Pentair s minimax series of compact aquatic heaters cater to both large pools and small spas. Gas swimming pool heaters are often preferred by pool owners. Thermostat is turned all the way up.

Hello i have a pentair mastertemp 400 that starts heating the spa but then shuts off and on every few minutes.