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National HVAC Parts

Universal 24V DPDT Relay — HVAC Switching Relay Replacement

SKU: NHVAC-RLY-DPDT Brand: National HVAC Parts
$16.99 $25.99

Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.

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Universal 24V DPDT (Double Pole Double Throw) switching relay for HVAC systems. Used for reversing valve control in heat pumps, zone damper control, and dual-circuit switching applications.

  • Type: DPDT Switching Relay
  • Coil: 24V AC
  • Contacts: Double Pole Double Throw
  • Warranty: 1-year

Install difficulty: 2/5 — Same as fan relay. Power off, photo wires, swap, reconnect. 10-15 min.

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 National HVAC Parts Universal 24V DPDT Relay — HVAC Switching Relay Replacement?
Yes. This is the factory-specified OEM relay for the National HVAC Parts Universal 24V DPDT Relay — HVAC Switching Relay Replacement. 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 National HVAC Parts Universal 24V DPDT Relay — HVAC Switching Relay Replacement?
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 National HVAC Parts 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 National HVAC Parts 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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