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    Raypak 406A - HL2 Error Unless Cover is Off???

    7 Years oldSaltwater set up, pool chemistry maintained near perfectly...I get HL2 error. It looks like they replaced the left Hi Limit 1 sensor.1-C Thermostat Auto Reset 135 Deg Surface Mount 006725F (per parts explosion) I started to turn the Unitherm Governor Cap, but it didn't look like it...
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    Raypak Hi Limit Error Code

    I have a similar issue, did the bypass valve fix it?
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    Raypak 406A - HL2 Error Unless Cover is Off???

    I have been battling a weird issue for 2 years: When I Use my spa I get an error at around 90 F if I have the header cover on. After many hours of playing over the years, I just left the cover off all last season. This year, I asked my local servicer to fix it and he just replaced the Hi...