change varistor width

kicad/schematics/heating_control/heating_control.sch

@@ -42,7 +42,7 @@ U 1 1 5C485739
 P 2750 5550
 F 0 "14D431" H 2853 5596 50  0000 L CNN
 F 1 "Varistor" H 2853 5505 50  0000 L CNN
-F 2 "Varistor:RV_Disc_D15.5mm_W3.9mm_P7.5mm" V 2680 5550 50  0001 C CNN
+F 2 "Varistor:RV_Disc_D15.5mm_W4.2mm_P7.5mm" V 2680 5550 50  0001 C CNN
 F 3 "~" H 2750 5550 50  0001 C CNN
 	1    2750 5550
 	0    -1   -1   0