New 600 Watt Engine Block Frost Plug Heater has a forged brass body with a 1.5" diameter plug and positive locking assembly. It uses an O-ring seal and is rated for long life.
Dim B (2): Forged Brass Body
Dim C (3): Positive Locking Assembly
Dim D (4): O-Ring Seal
Dim E (5): Long Life
Wattage: 600