Robertshaw 41-401 Hot Surface Ignitor As a staple in the

As a staple in the Apollo 70 series

75" WC for this application

Common Questions What causes the HH12ZB250 limit switch to trip frequently

How do I monitor loads below the 1A minimum rating

Robertshaw 41-401 Hot Surface Ignitor As a staple in theFor 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