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    Mastertemp 400 heater issues

    Just a follow up to post the resolution to my heater problem. First, I’d like to thank everyone for their input. It really makes this forum valuable and quite informative. It turns out the heater was fine. My gas line regulator valve failed. Apparently, it was not installed properly (it is...
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    Mastertemp 400 heater issues

    It’s this weekend’s project 🙂 Will definitely post the result.
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    1103BBD1-5D6C-44C1-9EF7-9DDC6787F1C3.jpeg

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    Mastertemp 400 heater issues

    Thank you for the response. It doesn’t.
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    Mastertemp 400 heater issues

    Thank you for your reply. Is there a poor man’s test for assessing that LOL. I don’t have a digital manometer to check the pressure. My gas line to the heater has a split to my grill. FWIW I did manually adjust the gas regulator to see if the gas grill flames became more intense and it...
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    Mastertemp 400 heater issues

    Attached is the picture that I took before I changed out the Ignition Control Module. How (or where) would I check the voltage to the igniter? Check the voltage going to the ignitor on call for heat.
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    022E8B18-944B-4A95-A7A0-F956A87C9587.jpeg

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    Mastertemp 400 heater issues

    Hello - I am having Problems with my Pentair Mastertemp 400 heater. It won’t heat. It is doing exactly like the heater is this YouTube video. It starts up. Heater LED blinks. The display shows the current water temp and shows the flame 🔥 icon. The fan works and air starts moving through...
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    270ACF3C-843D-4DD5-B371-F64A4DE7C14A.jpeg

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    B5F06E10-D322-4F40-828D-6793327C2204.jpeg

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    I think I have a leak???

    I will ask him, but I think that is unlikely. I don’t remember him describing anything like that.
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    I think I have a leak???

    Hi all - I am worried about a leak in my pool. The back wall of my pool has a “wet spot” that I noticed today. The rest of the wall is dry. Up close, I can see a very slow drip. I have a video of this slow drip coming off of the field stone covering, but I can’t upload it. The back wall is...
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    DA05AC1B-4071-429A-AF3B-8A8E2E4F6795.jpeg

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    FC and SWG question - Is there a typical Intellichlor setting?

    New pool owner here. SWG pool finished a couple of months ago. My pump runs 24/7 and the setting on the Intellichlor I60 was set to 60%. I have been checking the pH and FC daily and the FC has been above 6 on the K-1000 the last week. Here are my results from the TF100 today - FC 18.0 CC 0...
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    Order of correction for balancing pool chemistry??

    Thank you! I forgot about that.
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    Order of correction for balancing pool chemistry??

    Thank you so much for your responses. I am not sure if any acid was added, but for a pH of 7.2 I guess there must have been. It was a bit of an involved pool build. The water was added and then drained (to fix a plumbing issue) and then re-filled so the water has been in the pool for well...
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    Order of correction for balancing pool chemistry??

    I am sorry - Forgot about the signature. Let’s see if this works.
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    Order of correction for balancing pool chemistry??

    Hello all - First time poster but long time reader here! I am curious if there is a preferred order for correcting imbalances in your pool water? My pool was recently finished. The contractor filled the pool, added salt and directed me to his preferred guy to get the pool water in order and...