CK-55
Gas Conversion Kit (NG to LP)
Compatible Heaters
N-1321M-ASME-NG
NC380-SV-ASME NG
Once your order is received, a member of our Sales Department will reach out via email to request the Serial and Model Number of your tankless water heater. The Serial Number is typically located on a white sticker and will be in this format 20##.## - ######