Up for sale is a Robertshaw 41-401 hot surface igniter, Model 271A. Robertshaw is one of the most trusted names in heating controls and ignition components, and the 41-401 is a premium replacement igniter engineered to deliver fast, reliable ignition in a wide range of gas furnace and heating applications. This igniter is a direct replacement for the Amana D99182 and Norton / St. Croix 201A and 271A igniters, making it a versatile and highly compatible part for HVAC technicians and service contractors.