Main contributor to an F2 fault. Found on all of the AstralPool and Hurlcon gas pool heaters. These sensors ensure the water temperature coming out of the heater is no greater than 52degrees. Found in models (ICI, Viron250, Viron350, Viron450, Hurlcon HX, Hurlcon MX, Hurlcon JX, HiNRG175, HiNRG250 and HiNRG400.
HiLimit52
