Part has been superseded by a newer part "34570" ordering this item will get you the newer model.
RV Furnace - Hydro Flame Electrode - 37057 - RV Camper Parts
Single probe Furnace, Excalibur 8525-IV, 8535-IV, XT-1522, 8900-III, 8516-IV, 8520-IV and 8531-IV.
Contact us with your model number to ensure an accurate fit.
MFG Part Number: 37057