York S1-473-20937-001 Hot Surface Ignitor Els PW 17895 this unit is designed to
Baker’s notes & crumb story
Description
York S1 473 20937 001 Hot Surface Ignitor Els PW 17895 this unit is designed to this unit is designed to snap directly into 4 inch track systems these part numbers are technically identical and serve as direct replacements for one another in all Lennox terminal and control applications