5 x For Lanair Waste Oil Heater Nozzle Quad Ring FI HI MX MXD MXB O-Rings 9522
It fits for all Lanair FI, HI, MX, MXD AND MXB models furnaces nozzles / heaters. These quad rings fit the special nozzle stem that is used For the Lanair waste oil heater nozzles. Replace Part Number: 9522.