Zenith electric choke model 33

some of the Zenith carburetor number's can use this thermostat are

14030, 14058, 14060, 14083, 14085, 14083, 14105, 14118, 14118, 14124, 14125, 14165, 14168, 14169, 14215, 14236, 14240, 14241, 14243, 14244, 14245, 14246, 14256, 142529, 14262, 14263, 14267, 15008, 15009,15023, 15037, 15038,15040, 15045, 15047, 15050, 15055, 15056, 15057, 15077, 15080, 15086, 15093, 15100