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Lennox

OEM Lennox H7635A2012/U Wall-Mount Humidity Sensor 24V — X7070

SKU: LNX-X7070 Brand: Lennox
$24.95 $34.95

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Texas CMBL #19328542014
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Govt POs Accepted

The Lennox X7070 is a genuine OEM wall-mount humidity sensor (model H7635A2012/U) that operates on 24 volts and is designed to accurately measure and report indoor relative humidity levels to your Lennox HVAC control system. This sensor enables your system to make intelligent decisions about dehumidification and ventilation, keeping your indoor environment comfortable and healthy. Common symptoms of a failing humidity sensor include inaccurate humidity readings, humidity levels that never reach setpoint, or a system that runs continuously without achieving proper moisture control. This OEM replacement is fully compatible with Lennox systems that utilize the H7635A2012/U specification sensor.

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 H7635A2012/U Wall-Mount Humidity Sensor 24V — X7070?
Yes. This is the factory-specified OEM sensor for the Lennox OEM Lennox H7635A2012/U Wall-Mount Humidity Sensor 24V — X7070. 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 H7635A2012/U Wall-Mount Humidity Sensor 24V — X7070?
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
HVAC Parts Specialist — Online