The PP211 spark plug fits most 70-100-150K btu Desa-manufactured heaters. Annual replacement is recommended to keep your heater in great working condition. Please refer to your heater's owner's manual for complete replacement instructions.

　　- Fits Models Akb100b, B50, B50d, B65, B65d, B66d, B70b, B70bt, B99d, B100, B100a, B100d, B100g, B100kd, B110, B110t, B140, B140d, B150, B150a, B150b, B150c, B150cak, B150d, B150f, B150ft, B150g, B150gt, B150kd, B150m

　　- Fits models B165, B165t, B200, B200t, B350, B350a, B350b, B350d, B600, B600/A, B600b, B600d, Bc70f, Bc100, Bc150f, Bc350, Bc350d, Bv60s, Bv125, Bv125s, C100d, C100e, C100f, C150d,C150e,C150f

　　- Fits models F66d, F110e, F110f, F110g, F110h, F150f, F150g, F150h, F150s, F350, K100a, K150, K350, K350a, K600, M50, M50d, M50s, M65, M65d, M66d, M85, M85d, M100, M100d, M150d, M150s, M350, M600, Mark50, Mark50d, Mark150d, Mc60

　　- Fits models R70, R70a, R70at, R70b, R70bt, R70ct, R100, R110, R100a, R100b, R110m3, R150, R150a, R150at, R150b, R150bt, R150d, R150m, R150m2, R155, R165, R165t, R200, R350, R350a, R600, R600a, Rc70f, Rc100f, Rc150f, Rem100, Rem100a, Rem110, Rem150, Rem150a, Rem150b, Rem155, Rem165, Rem200, Rem200t, Rm200t, Sb350d & Sb600d

　　- MFG Model # : PP211

　　- MFG Part # : PP211