Home / Shop / Product Types / Coil Heaters Square Heater 21429 $155.00 Home / Shop / Product Types / Coil Heaters Square Heater 21429 $155.00 Model Number: 21429 21429 21" Heated Length Square Coil Cable Heater 3mm X 3mm Cable Type J T/c Ungrounded Cross Referenced Part Numbers; R101-1015b/ap12 Square Vertical, 0001235 Maximum quantity exceeded Minimum purchase amount of 0 items is Required Maximum purchase amount of 0 is Allowed 155.000 10000000 Manufacturer: Marathon Description 21429 21" Heated Length Square Coil Cable Heater 3mm X 3mm Cable Type J T/c Ungrounded Cross Referenced Part Numbers; R101-1015b/ap12 Square Vertical, 00012351