Marley SED1012C Qmark Electric Shallow Ceiling/Wall Heater,Marley,SED1012C" /> A built-in, double-pole thermostat is standard The SED1012C, SED1012W & SED1024W can be wall or ceiling mounted. The SED1512 & SED2024 are wall mount only The unit has two over-temperature protectors (a thermal limit with indicator light and a one-time thermal fuse)