kit 320/340 thermostat kx, 24" cap, 200-400f, bulb = 5-1/2" x 5/16", with 3/8" stuffing box.
Allpoints 8009521 Thermostat Kit For Henny Penny Knob, bezel and screws fits henny penny models ode-323, odg-323, oea-321, oea-322, oea-323, oea-324, oea-341, oea-342, ofe-321, ofe-322, ofe-323, ofe-324, ofe-341, ofe-342, ofg-321, ofg-322, ofg-323, ofg-324, ofg-341, ofg-342, oga-321, oga-322, oga-323, oga-324, oga-341, oga-342.