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Parts for York, Coleman, Evcon, Luxaire, and Fraser Johnson Furnaces

by OneTrip Parts®

This flame sensor is the direct replacement for many York, Luxaire, Coleman, Coleman-Evcon, Fraser/Johnson, and Air Pro furnaces made by Unitary Products Group. This flame sensor is straight and measures 2-7/8" from mounting flange to tip. The exposed portion of the sensor tip is 2-1/2" long. The wire termination is a 1/4" quick connect terminal. This part replaces 024-27773-000, 025-25434-000, 025-25434-700, 025-27773-700, S1-02527773000 and S1-02527773700. Do not clean flame sensors with sandpaper- the grit will melt into glass and the sensor will not work. Clean with steel wool or a Scotchbrite pad.


This part is covered by the exclusive Duralight® two year limited replacement warranty when purchased from an authorized dealer. If this part fails within two years from date of purchase, return the defective part and a copy of the original invoice to the place of purchase for replacement. Contact the authorized Duralight® dealer that you purchased the part from for details.


Original equipment manufacturer's brand name(s) and part numbers are used for identification purposes only. This item is supplied by OneTrip Parts® and meets or exceeds original equipment specifications.


This item is sold for professional installation only in accordance with all local, state, and national codes and licensing requirements.

Duralight Furnace Flame Sensor Replacement For York Coleman Evcon Luxaire S1-02527773700

  • Straight Flame Sensor
  • Overall Length 3-3/4" (Not Including Electrical Terminal)
  • Ceramic Length 1" - Flame Rod Length 2-1/2" - 1/4" Male Quick Connect Terminal
  • Replaces York, Luxaire, Coleman, Coleman-Evcon, Fraser/Johnson, and Air Pro Part Numbers 024-27773-000, 025-25434-000, 025-25434-700, 025-27773-700, S1-02527773000 and S1-02527773700

 DURALIGHT FURNACE IGNITORS