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Lennox

OEM Lennox Relay — 67K65

SKU: LNX-67K65 Brand: Lennox
$24.95 $34.95

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

The genuine OEM Lennox 67K65 relay is an electromechanical switch that opens and closes low-voltage control circuits to energize components such as blowers, heaters, or contactors in your Lennox HVAC system. When the control board or thermostat calls for operation, this relay reliably passes the signal to the higher-load device, making it a small but critical link in your equipment's sequence of operation.

Common symptoms of a failing relay include equipment that won't start, intermittent operation, chattering or buzzing at the relay, welded or stuck contacts that leave a component running, or no response when the thermostat calls. Burnt, pitted, or corroded contacts are a frequent cause of these issues.

Choosing the OEM Lennox 67K65 guarantees the correct coil voltage, contact rating, and physical form factor for your unit. Generic substitutes may have mismatched ratings that lead to premature failure or erratic behavior. This factory-authorized part restores dependable switching and protects the downstream components it controls.

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 Relay — 67K65?
Yes. This is the factory-specified OEM relay for the Lennox OEM Lennox Relay — 67K65. 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 Relay — 67K65?
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