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Lennox 70W16 Hot Surface Ignitor Assembly

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Special Price $75.06 Regular Price $86.32
In stock
SKU
70W16
The Lennox 70W16 Hot Surface Ignitor Assembly is used in HVAC systems to start combustion by supplying a controlled high-temperature ignition source. When electrical current is applied, it heats fast and gas burners can light without a pilot flame. This assembly is usually fitted in furnaces and packaged heating units where it collaborates with the control board of the system to provide an effective startup in the heating cycle. It facilitates efficient operation of heating equipment in residential and commercial environments as it allows the consistent ignition of the fuel, it minimizes the start-up delays.
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HVAC Furnace Parts, Ignitors
Manufacturer:
https://www.partshnc.com/media/catalog/product/7/0/70w16.jpg
Manufacturer Name: Lennox
Product Number: 70W16
OEM Part Number: 70W16
Product Description: Hot Surface Ignitor
Weight:0.11lbs/49.9g

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Product Questions (2)
Customer Questions
What maintenance is required for the Lennox 70W16 Hot Surface Ignitor?

Inspect ignitor for cracks, chips, or glazing and ensure proper seating in burner assembly. Check electrical connections and correct voltage to avoid weak or delayed ignition. Always disconnect power before servicing.

What are common issues with the Lennox 70W16 Hot Surface Ignitor?

  • Intermittent heating cycle shutdowns.
  • Electrical connector wear or loose wiring.
  • Reduced efficiency due to carbon buildup.
  • Complete ignition failure.

Installation Steps

Step 1: Turn off power at breaker and verify zero voltage.

Step 2: Remove old ignitor carefully, avoiding brittle breakage.

Step 3: Install new ignitor into mounting bracket without touching heating element.

Step 4: Secure wiring connections firmly, matching original terminals and routing away from flame.

Step 5: Restore power and test furnace ignition cycle while monitoring for proper glow.

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