MC 621957MC Burner and Orifice Assembly for Norcold RV Refrigerators

The MC 621957MC Burner and Orifice Assembly is a direct replacement component designed for Norcold gas-absorption RV refrigerators. This essential assembly controls the propane flame that heats the cooling unit, allowing your refrigerator to operate efficiently on LP gas.

Key Features:

• Heavy-duty steel and copper construction for superior durability and corrosion resistance
• Complete assembly includes burner, orifice, and orifice adapter
• Direct replacement for Norcold part numbers 618284, 618283, and 621957
• Also known as NBK part number 20367
• Easy installation with standard mounting hardware

Compatible Models:

• N6 Series: N610, N611, N621, N622, N640.3, N641, NX611, NX641, NXA641
• N8 Series: N810, N811, N821, N822, N841, N842, N843, NX811, NX841, NXA841
• N1095 Series: All N1095 models regardless of serial number
• 600/6000 Series: 652, 662, 663, 682, 683, 6052, 6053, 6062, 6082, 6162, 6182
• 900/9000 Series: 962, 963, 982, 9162, 9163, 9182

The burner and orifice assembly regulates propane flow and flame characteristics to maintain proper refrigeration temperatures. If your RV refrigerator fails to ignite, has a yellow or inconsistent flame, or doesn't cool properly on gas mode, this replacement burner assembly may restore proper operation.

Installation Note: For 600/6000 series refrigerators, you may also need to replace the burner tube (sold separately). Always turn off power to the refrigerator, close the LP gas tank valve, and shut the combination gas control valve before installation.