Robertshaw 41-401 Hot Surface Ignitor this snap disc limit is

this snap disc limit is rated for use across common heating control voltages

maintaining critical pressure setpoints in steam or water applications

This OEM York replacement part features an automatic reset mechanism designed to protect the heat exchanger and internal components from high-limit conditions

eliminating the calibration drift common with generic universal switches

System Reliability: Eliminates nuisance service calls caused by carbon buildup or oxidation on non-spec sensor rods

Robertshaw 41-401 Hot Surface Ignitor this snap disc limit isFor service calls requiring a robust ignition source, the Robertshaw 41 401 Hot Surface Ignitor is the industry standard silicon carbide solution. Engineered for 120V AC operation, this Carbide Series ignitor features high purity recrystallized silicon carbide construction, often referred to as Crystar, which provides the thermal stability needed for high cycle heating applications. This 271A factory spec component is a direct cross reference for