Robertshaw 41-404 Hot Surface Ignitor Does this model require a

Does this model require a separate vent line

a 50VA transformer can safely replace a 40VA unit

offering flexibility for various air handler configurations

it serves as a protective switch to safeguard heat exchangers from overheating while preventing freeze-up conditions in cooling cycles

ensuring precision control over blower motors and compressor circuits

Robertshaw 41-404 Hot Surface Ignitor Does this model require aThe Robertshaw 41 404 Hot Surface Ignitor is a service ready, high purity recrystallized silicon carbide furnace ignitor engineered for rapid thermal response in residential and light commercial heating applications. This Norton 271M replacement features a Style C ceramic block and is factory rated to reach HSL ignition temperatures within 17 seconds at 120V AC. Designed for maximum conductivity, the unit includes 18 gauge nickel chrome lead wires