Robertshaw 41-401 Hot Surface Ignitor if your existing switch is

if your existing switch is failing to reset or tripping prematurely

75" WC for this application

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

Direct OEM Replacement: Replaces the 048815 effortlessly

Common Questions What causes the HH12ZB250 limit switch to trip frequently

Robertshaw 41-401 Hot Surface Ignitor if your existing switch 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