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Thread: Raypak RP2100 unitherm governor plug blew out!

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    Raypak RP2100 unitherm governor plug blew out!

    So I opened up the pool a couple of weeks ago. All seemed fine. Fired up the heater - no issues. Fired up the hot tub - no issues. Last weekend, had a bunch of people over. Hot tub was on for several hours at 98 degrees. Then was on 102 for another hour. When the heat was turned off, the valves were reset to circulate the pool water. For some reason, there was a sound of rushing water on the ground, the unitherm governor cap and governor were on the ground. It appears the threads in the header are partially stripped. I was able to jam the plug and governor back in, however, I can only operate the pump in a limited way without the plug blowing back out. Specifically, if I set the valves so that the water returns only though the spa jets and the Polaris outlet it's fine. If I turn it to go through the floor system or just the Polaris (without leaving the spa returns open, it blows off again. Pressure readings when it is running are less than 20psi (normal). My question is - what would have caused it to blow out (and strip the threads on the header)? Assuming the reason that it now comes out is because if the stripped plug, what about epoxying the plug in (since I'll ultimately need to replace the header anyway)? Any thoughts are appreciated!
    38k gallon in-ground gunite; Intelliflo pump; in-floor cleaning via multi port; Raypak RP 2100 (405).

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    Join Date
    Dec 2014
    Riverside California

    Re: Raypak RP2100 unitherm governor plug blew out!

    I do not know what your problem is, but I just had a Raypak 2100 Low Nox 400K installed and would be very curious to know what the experts here have to say.
    38000 Gal, IG, Plaster, 20' x 40' x 10', Attached Raised Spa, Intelliflo VS 3 HP (011018), Pentair Quad DE 60 Filter, Raypak (Rheem) 400,000 BTU (407a low Nox), Easy Touch 8 upgrade, Screenlogic 2 with wireless, IS-4 Spa Side Remote, Stenner 45MPHP10 w/15 gal tank, Intellibrite 5g (3), Dolphin Triton Plus robot with PRO remote, Water Tech Catfish handheld vacuum for spa, TF100 with SpeedStir.

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