Recent content by JoelQRayPak

  1. J

    RayPak Heater Model P-R335B-EN Shuts off before reaching set temperature

    My RayPak Heater model P-R335B-EN shuts off before reaching the desired temperature of 104F. It usually stops working around 95-97 degrees, leaving me with a hot tub that's not as hot as I want it. When I first start the heater, it displays the SPK code for about 20 seconds and I hear a...