2-Pack R20017402 52M73 Rollout Switch L350F, Replacement Furnace Limit Switch Compatible with Lennox/Ducane/Armstrong, Armstrong - High Temp Safety Cutoff

★★★★★ 5.0 117 reviews

US$3.60
Price when purchased online
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US$3.60
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 250057086 Release Date 2026/09/17 List Price US$3.60 Model Number 250057086
Category
  • Wide Compatibility: Engineered as a drop-in replacement limit switch compatible with Lennox, Ducane, and Armstrong gas furnaces. verify your model before ordering.
  • Manual Reset L350F: Trips precisely at 350°F to cut burner power and prevent overheating. Once fully cooled, simply press the reset button; manual reset ensures you address the root issue before restarting.
  • Critical Safety Protection: Instantly interrupts power if internal temperature exceeds 350°F. Prevents heat exchanger overheating, component burnout, and fire hazards while maintaining efficient heating cycles.
  • Premium Materials: Constructed from high-temp bakelite and stainless steel with anti-oxidation contacts. Resists corrosion, erosion, and sticking for consistent on/off action and long service life.
  • Replacement parts: Replaces R20017402 52M73. Perfect for immediate repairs or keeping a spare—no downtime when you need heat most.
ASIN B0GLPDFYDV
Brand Name UJHUHIJ
Unit Count 1 Count
Part Number 52M73 Rollout Switch-2
Manufacturer UJHUHIJ
Material Type Bakelite
Control Method Push Button
Operation Mode Manual
Number of Items 2
Contact Material Stainless Steel
Compatible Devices Lennox, Ducane, Armstrong gas furnaces

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