[VARIOUS APPLICATIONS]For use with for Hydro Flame system. For use with new series furnaces, such as for AFS, AFM, , , DFM, models. [CONDUCTOR & SENSOR]This Furnace Electrode Assembly is both a conductor establishing an electrical spark at the Burner to the air to gas mixture, and a sensor to signal the circuit board the flame is established. [PERFECT REPLACEMENT]For Part Number: 35100, for Part Number: 91788. [APPLICABLE FOR AF MODELS]Compatible with: AFSAD12111, AFSD12111, AFSD16111, AFSD20111, AFSDA12121, AFSAD12121, AFSD12121, AFSD16121, AFSD20121, AFSAD12131, AFSD12131, AFSD16131, AFSD20131, AFSAD12141, AFSD12141, AFSD16141, AFSD20141, AFMD16111, AFMD20111, AFMD25111, AFMD30111, AFMD35111, AFMD16121, AFMD20121, AFMD25121, AFMD30121, AFMD35121, AFMD16131, AFMD20131, AFMD25131, AFMD30131, AFMD35131, AFMD16141, AFMD20141, AFMD25141, AFMD30141, AFMD35141, AFMD16151, AFMD20151, AFMD25151, AFMD30151, AFMD35151, AFLA35211, AFLA40211, AFLD35111, AFLD40111, AFLA35221, AFLA40221, AFLD35121, AFLD40121, AFLA35231, AFLA40231, AFLD35131, AFLD40131. [APPLICABLE FOR DF MODELS]Compatible with:DFLA35211, DFLA35221, DFLA35231, DFLA40211, DFLA40221, DFLA40231, DFLD35111, DFLD35121, DFLD35131, DFLD40111, DFLD40121, DFLD40131, DFMD16111, DFMD16121, DFMD16131, DFMD16141, DFMD16151, DFMD20111, DFMD20121, DFMD20131, DFMD20141, DFMD20151, DFMD25111, DFMD25121, DFMD25131, DFMD25141, DFMD25151, DFMD30111, DFMD30121, DFMD30131, DFMD30141, DFMD30151, DFMD35111, DFMD35121, DFMD35121W, DFMD35131, DFMD35141, DFMD35151, DFSAD12111, DFSAD12121, DFSAD12131, DFSAD12141, DFSD12111, DFSD12121, DFSD12131, DFSD12141, DFSD16111, DFSD16121, DFSD16131, DFSD16141, DFSD20111, DFSD20121, DFSD20131, DFSD20141. Colour: Material:Metal Package Contents: 1 x Furnace Electrode Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.