Heater tripping the breaker
I recently got some info in here from some knowledged fellas about a 240 electrical heater I was hooking up and had great success in getting it hooked up and running. It has ran fine until about 3 days ago it started to throw the breaker. Its rated at 42.2 amps and was told with electrical heaters to rate them 125% which brought it to 52.75 amps. I wired it straight into the panel with 6 awg wire and am using a 60 amp breaker. Any ideas on why it would start tripping the breaker?. And do you think it was solve the problem if I stepped up to a 70 amp breaker or would this cause more problems or even worse be hazardous of fire?