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OEM Lennox Electric Heat Sequencer Assembly — 10P52
Lennox

OEM Lennox Electric Heat Sequencer Assembly — 10P52

SKU: LNX-10P52 Brand: Lennox
$24.95 $34.95

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

The Lennox 10P52 is a genuine OEM electric heat sequencer assembly that staggers the energizing of electric heating elements. Instead of switching every element on at once, the sequencer brings them online in timed stages, preventing a large inrush of current and reducing stress on your Lennox unit's electrical system and breakers.

Common failure symptoms include weak or insufficient heat, elements that fail to energize, tripped breakers from all elements pulling power simultaneously, a blower that keeps running after the call for heat ends, or elements that stay on when they should be off. A faulty sequencer can leave you cold or cause repeated electrical faults.

Why OEM matters: The 10P52 is built with the specific timing delays and contact ratings Lennox engineered for their electric heat systems. Generic sequencers may switch too quickly or too slowly, causing breaker trips or uneven heating. The factory-original assembly restores proper staged operation and protects your Lennox equipment's electrical components.

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 Relay fit my Lennox OEM Lennox Electric Heat Sequencer Assembly — 10P52?
Yes. This is the factory-specified OEM relay for the Lennox OEM Lennox Electric Heat Sequencer Assembly — 10P52. 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 relay on my Lennox OEM Lennox Electric Heat Sequencer Assembly — 10P52?
Refer to your equipment service manual for model-specific steps. General approach: turn off power, photograph connections, remove old part, install new part, restore power and test. For gas components, hire a licensed technician. Email info@nationalhvacparts.com for guidance.
What symptoms mean I need a new relay?
Common symptoms: unusual noises, intermittent operation, complete failure, or visible damage. Visit our diagnostic hub for symptom-based troubleshooting.
Is this relay 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 relay?
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