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Lennox

OEM Lennox Discharge Temperature Sensor Kit — 16A83

SKU: LNX-16A83 Brand: Lennox
$24.95 $34.95

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

The genuine OEM Lennox 16A83 discharge sensor kit monitors discharge-line temperature so the control system can protect the compressor and optimize operation. Accurate temperature feedback allows your Lennox unit to modulate staging, manage defrost, and shut down before damaging over-temperature conditions occur. The kit includes the sensor and mounting hardware needed for a direct, factory-spec installation.

Common failure symptoms: erratic staging or defrost behavior, false high-temperature lockouts, inaccurate temperature readings, compressor short-cycling, or a control board reporting an open or shorted sensor. A drifting or failed thermistor sends incorrect resistance values that the board can no longer trust.

Why OEM matters: Lennox control boards are calibrated to the exact resistance curve of the factory sensor. The OEM 16A83 delivers the precise thermistor characteristics your system expects, ensuring temperature readings track correctly and safety limits function as designed. Generic sensors with different resistance curves can cause misreads, nuisance faults, and reduced equipment protection — making the genuine part the reliable choice.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $75
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Sensor fit my Lennox OEM Lennox Discharge Temperature Sensor Kit — 16A83?
Yes. This is the factory-specified OEM sensor for the Lennox OEM Lennox Discharge Temperature Sensor Kit — 16A83. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the sensor on my Lennox OEM Lennox Discharge Temperature Sensor Kit — 16A83?
Difficulty: Easy (10–15 min)
Step 1: Turn off power/gas. Step 2: Open furnace panel. Step 3: Locate flame sensor rod near burners. Step 4: Remove single mounting screw. Step 5: Clean rod with 400-grit sandpaper until shiny (or replace). Step 6: Reinstall and tighten. Most common furnace repair — saves $150–$300 vs technician.
My furnace lights then shuts off after a few seconds. Why?
Furnace lights then shuts off after 3–10 seconds = dirty flame sensor in 90% of cases. The sensor can’t detect flame through oxidation buildup. Fix: clean with 400-grit sandpaper (free, 15 min). If cleaning doesn’t work, replace the sensor.
Is this sensor compatible with Bryant or Payne too?
Many Lennox parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Lennox sensor?
OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
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Mike Rivera
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