207847 - Miller 120V 300W Oil Pan Heater 22mm Thread

Reliable Cold Weather Performance with Miller OEM Parts

The Miller 207847 Oil Pan Heater is an essential accessory for professionals operating engine-driven welding equipment in cold climates. Designed to maintain the engine oil at an optimal temperature when the machine is not in use, this 300-watt immersion heater ensures that your equipment starts reliably even in freezing conditions. By keeping the oil warm, the heater prevents the lubricant from thickening, which is a common cause of hard starting and increased engine wear during the winter months. This unit operates on standard 120V AC power, making it easy to plug into shore power or a standard wall outlet overnight.

Engineered with precision, this heater features a 22mm x 1.5 metric thread, allowing it to screw directly into the oil pan of compatible Miller machines. This direct contact with the oil reservoir provides the most efficient heat transfer possible, superior to external magnetic heaters or dipstick warmers. The 300-watt element is calibrated to provide sufficient heat to keep the crankcase warm without overheating or carbonizing the oil. As a genuine Miller OEM part, users can trust the build quality and material compatibility, ensuring that the heater will withstand the vibration and thermal cycles associated with industrial welding equipment.

Using the Miller 207847 Oil Pan Heater significantly extends the service life of your welder's engine. Cold starts are responsible for a significant portion of engine wear because thick, cold oil takes longer to circulate to critical bearing surfaces. By pre-heating the oil, this device ensures immediate lubrication pressure upon startup. Additionally, it reduces the load on the starter motor and battery, which is particularly important in cold weather when battery efficiency is naturally reduced. Whether you are working on a pipeline in the north or a construction site in winter, this heater is a small investment that protects your valuable equipment.

Installation is straightforward for technicians familiar with engine maintenance. The heater replaces a standard plug or occupies a dedicated port on the oil pan. Once installed, the integrated power cord can be routed to a convenient location for connection. This part is compatible with specific Miller engine drives; always verify fitment with your machine's serial number or manual to ensure the thread size and wattage are appropriate for your specific model.