Fryer  
 
  Economy Fryer :  Single themostat,Direct connection to heater,
Standard Fryer : Double thermostat,Relay,fuse,heater lift off switch,rubber padding switch,heavy body, Good Electricals.
Reason to choose Standard fryer: If single thermostat fails, at 350 degrees temperature fryer will catch fire, so better choose
Standard fryer with double thermostat for safety
.