hl2

I have an almost new (installed 2021) Raypak above ground heater. I only use it sparingly to get temp up that extra few degrees when having company. I had Leslie's out for diagnostics and they said everything looked great until it shut down (HL2 error) while they were there testing the unit...

Hey guys, this season I've been getting an HL2 code on my Raypak 206a heater. I'm aware that this is because the outlet temperature is exceeding 135 degrees Fahrenheit. This happens regardless of the rpm that I set variable speed pump to. However I will note a high pitch squealing sound once the...