[VARIOUS APPLICATIONS]For use for Hydro Flame system. For use with 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 Models] Compatible with: AFSAD12111, AFD12111, AFD16111, AFD20111, AFDA12121, AFSAD12121, AFD12121, AFD16121, AFSD20121, AFSAD12131, AFSD12131, AFSD161131, of 141, AFD12141, AFD16141, AFD20141, AFMD16111, AFMD20111, AFMD25111, AFMD30111, AFMD35111, AFMD16121, AFMD20121, AFMD25121, AFMD30121, AFMD35121, AFMD16131, AFMD20131, AFMD25131, AFMD30131, AFMD35131, AFMD16141, AFMD25 30141, AFMD35141, AFMD16151, AFMD20151, AFMD25151, AFMD30151, AFMD35151, AFLA35211, AFLA40211, AFLD35111, AFLD40111, AFLA35221, AFLA40221, AFLD35121, AFLD40121, AFLA35231, AFLA40231, AFLD35131, AFLD40131. Colour:As Shown Material:plastic+Metal Package Contents: 1 x 35100 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.