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I think it is time to replace my heater... I have a Pentair Minimax 400 with the PowerMax hood, that is about 22 years old, so I know I am living on borrowed time with it already... Recently I noticed some soot marks on the top of the heater, near where the hood vents. The heater just stopped...

OK - this one has me a little worried. We have a pool that is about 24 years old. We use a Purex Triton Minimax 400 with the PowerMax hood that vents to the outside of our pool shed. The heater seems to be working fine, but now that it is turning cold, it is running long hours to keep the...

We have an in ground, vinyl lined pool ( about 35,000 gal) that was installed 18 years ago. 4 years ago, we had the liner replaced ( and hence, all the water). In the last year and a half, we have noticed that when we are swimming, we all start coughing a lot. We didn't have this problem...

I have a Pentair Minimax Plus 400 heater that is not starting up properly, somewhat intermittently. When the switch is turned on, or the temperature control knob is turned up to call for heat, sometimes it will fire up properly, but sometimes it gets stuck before it actually fires. When it...

Hi - I am really hoping to get some help here. Today I opened our pool for the summer, and noticed that I have air bubbles being blown into the water by all of the water inlet jets (pressure side). So i know that bubbles are usually a problem on the suction side, so I did some tracing, and...

I have a nine year old 35k gallon pool with a Minimax Plus 400 heater that I am having problems with. Any and all help would be greatly appreciated. I have a number of questions. :-D For starters, I live in Utah, where the temperature lately has been below freezing for a couple of weeks. I...