York S1-3500-3121 Limit Switch 340155-7026 Durable Construction: Features a rugged

Durable Construction: Features a rugged blower housing and a thermally protected 120V inducer motor designed for continuous duty during peak heating cycles

the design allows for the actuator to be swapped or upgraded without removing the valve body from the line

Environmental Protection: NEMA 4X rated housing protects internal components against water ingress and corrosion

ranging from the compact EV210B to the large-capacity EV220B (6-100)

compact footprint suitable for tight cabinet installations where accurate process control is non-negotiable

York S1-3500-3121 Limit Switch 340155-7026 Durable Construction: Features a ruggedWhen you are troubleshooting a mid efficiency or high efficiency furnace that is short cycling or displaying a four flash diagnostic code, the York S1 3500 3121 Limit Switch is the OEM replacement part required to restore safe operation. This is a normally closed (NC) safety device calibrated for an opening temperature of 165F and a closing temperature of 105F. As a genuine Johnson Controls component, it is designed for drop in compatibility with