a cracked or worn hot surface ignitor is the likely culprit

this unit must be installed in an upright position and is compatible with natural gas

This motor requires a 15 MFD / 370V capacitor for proper startup and torque

Can I replace the actuator without draining the system

The unit features a proof pressure of 12" WC and a burst pressure rating of 27

York S1-025-21785-001 Heater Els PW 29614 a cracked or worn hotThe York S1 025 21785 001 is a high performance 10KW 240V electric heater configured as a 3 element heat kit for professional HVACR applications. This OEM York replacement part is engineered to provide supplemental or emergency heat for residential and light commercial air handlers. Operating on a 240V single phase supply, the three element design ensures balanced heat distribution and rapid thermal response during low ambient conditions. As a veteran