Robertshaw
Robertshaw 41-411 Hot Surface Igniter 120V AC 4 1/2 in Silicon Carbide
Hot surface furnace ignitor reaches ignition temperature within 17 seconds using silicon carbide and 18-gauge nickel chrome leads
- Reaches ignition temperature within 17 seconds
- High-purity recrystallized silicon carbide for thermal strength
- 18-gauge nickel chrome leads embedded and metalized
- Lead wires enclosed in high-temperature fiberglass insulation
- Operates at 120V AC with stepped-down voltage
Direct Replacement Igniter
The Robertshaw 41-411 hot surface igniter operates at 120V AC and reaches ignition temperature within 17 seconds. It is manufactured with 18-gauge nickel chrome lead wires embedded in high-temperature fiberglass insulation. The unit uses high-purity recrystallized silicon carbide for physical and thermal strength. It serves as a functional replacement for Rheem and Ruud part 62-22868-82 among other cross-references.
Ceramic Block Style B Connector
The single specification that determines fit is the ceramic block style B paired with terminal connector type C. Lead wire length measures 4-1/2 inches and matches the original equipment geometry. Voltage is stepped down to 120V AC even on modules rated for 208/240V input. Verifying this block style and connector type against the furnace manual confirms compatibility before purchase.
Handles Standard Furnace Ignition
This igniter comfortably handles standard residential furnace ignition cycles for both LP and natural gas systems. It runs out when the silicon carbide element fractures from thermal shock or when lead wire insulation degrades beyond the 18-gauge nickel chrome rating. The 17-second heat-up time provides reliable starts for typical heating demands. Units requiring 208V or 240V direct-to-igniter voltage are not supported.
Highlights
- Reaches ignition temperature within 17 seconds
- High-purity recrystallized silicon carbide for thermal strength
- 18-gauge nickel chrome leads embedded and metalized
- Lead wires enclosed in high-temperature fiberglass insulation
- Operates at 120V AC with stepped-down voltage
Specifications
| Brand | Robertshaw |
|---|
Questions about this item
How quickly does the 120V igniter reach ignition temperature once installed?
It is designed to reach ignition temperature within 17 seconds.
What voltage does the silicon carbide element actually see when the furnace control board supplies 208 or 240 V?
The control module steps the supply down so the igniter operates at 120 V AC.
Will the 4-1/2 inch lead wires and Type C connector fit the existing Rheem or Ruud bracket?
The 4-1/2 inch leads and Type C terminal match the original 62-22868-82 igniter for direct replacement.
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