This hot surface ignitor (HSI) features a robust silicon carbide or nitride construction to withstand the thermal stress of rapid heating cycles

While the S1-026-35433-000 is an OEM York part

or the motor failing to start despite receiving proper line voltage and 24V signals

This valve is designed to work with Ranco LDK Series Solenoid Coils

The 9010-065 burner kit is a direct replacement for 9010-037

Lovejoy 68514411091 Hub 321894-709 This hot surface ignitor (HSI)This Lovejoy 68514411091 is a high performance L095 jaw coupling hub engineered for precision power transmission in demanding HVACR and industrial pump systems. Manufactured from high density sintered iron, this hub provides a robust, fail safe connection that ensures operational continuity even if the elastomeric spider becomes compromised. The hub is designed with a 1 inch bore featuring a standard 1 4" x 1 8" keyway and a 5 16 18 set screw for