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Hey gang. Somehow, my bottom drain cover screws fell out and I cannot locate them. There are 4 screw holes on the cover but according to the manuals I found, it appears only 2 screws are used to secure the cover? I looked at the 2nd drain (I have 2 at bottom) and only 2 are present there but...

OK -I am an idiot... :oops: After re-building the heat exchanger and putting the parts back together, the wiring harness draped over the manifold and then I plugged everything back in. It's not until this morning, I decided to clean up all the connectors and re-trace the wiring that I...

Ah - yes -thanks -must be that Hayward's board works on DC while Pentair is AC - the Board is definitely 24VAC. Thermistor disconnected reads per the chart. Not exactly sure of the current reading, but I've tried 3 different thermistors (in case one was bad) and they all check out unconnected...

JamesW - Thank you and apologies - good point in terms of keeping same issue within same thread. Duly noted! Just measured the voltage with it running. 2.093 V (AC -True RMS) -which looks like 91deg according to the chart but I can tell you the pool water is definitely not that warm. :( My...

ajw22: Thanks for the breakdown and fantastic feedback!! The control panel comes up with E01 after it goes through the self test and then the temp shows 126. It's very inconsistent though -sometimes the E01 stays on the panel, and at other times it disappears and then displays a fake 126deg...

Gang. I am having the most frustrating time with diagnosing an E01 /126 issue. I've tried different thermistors and a test w a 10K ohm resistor. The thermistor OHM values check out and using a 10K ohm resistor as an alternative to the thermistor still yields the same result - E01/126. This...

Thanks!! This chart really helps me understand how the sensor works and how it reports the temp value. Cool Stuff!! Very handy

Hey gang. I am fearing that my control board has gone bad and before I take the plunge into an expensive replacement, I wanted to get some advice from smarter people than me on what else I could troubleshoot. -Would anyone by chance have a schematic for the board that shows logic flow? -I...

Thank JamesQ - Yep -I am aware of all of these but I was asking specifically about the heat exchanger. Most of the parts have their own tag but the heat exchanger - I would assume -IF if had a part number it would be stamped in due to the heat of the exchanger. Poolbreh: Thanks for the hint -...

As an update to my situation - and thanks bongardjm for the post -nice to meet you neighbor ;) We need to hook up for a beer 🍻sometime. -Placed multiple requests locally for a quote on a new heater -most never even responded back and those that did either had no stock or told me 1 to 0 in stock...

Hey gang. Well, it appears that my heat exchanger has a hole in it likely due to corrosion and I'm guessing since it's a MasterTemp 250 with copper exchanger and with an Intellichlor IC40 SWG -likely the years of running salt water through it have killed it... On start-up this year, I noticed...

Hey gang. Our 6 year old Pentair Kreepy Krauly Prowler 820 has stopped working without any symptoms or warning. When I press the power button on the power supply, the 4 LEDs at each corner light up but then turn off as soon as I release my finger. If I unplug the harness and press the button...