Same-day shipping on orders before 3PM CST · 15,000+ OEM Parts In Stock · Carrier · Bryant · ICP · Heil · Tempstar
Track Order | 1-800-NHP-HVAC | Trade Accounts

Menu

Home Shop All Account Cart
Home / Universal TXV Expansion Valve 3-5 Ton...

IMAGE COMING SOON

National HVAC Parts

Universal TXV Expansion Valve 3-5 Ton — R410A AC Metering Device

SKU: NHVAC-TXV-3-5T Brand: National HVAC Parts
$59.99 $89.99

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

OEM Guaranteed

Same-Day Ship

30-Day Returns

Secure Checkout

Universal thermostatic expansion valve (TXV) for R410A systems 3-5 tons. Sized for larger residential and light commercial systems.

  • Refrigerant: R410A
  • Tonnage: 3-5 tons
  • Connection: Sweat (braze)

Install difficulty: 5/5 — Professional installation required. EPA 608, brazing, vacuum, charging.

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 TXV Valve fit my National HVAC Parts Universal TXV Expansion Valve 3-5 Ton — R410A AC Metering Device?
Yes. This is the factory-specified OEM txv valve for the National HVAC Parts Universal TXV Expansion Valve 3-5 Ton — R410A AC Metering Device. 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 txv valve on my National HVAC Parts Universal TXV Expansion Valve 3-5 Ton — R410A AC Metering Device?
Requires licensed HVAC technician. Gas valve work involves gas lines that must meet local building codes. Improper installation risks dangerous gas leaks. Buy the part yourself to save 40–60% on markup, then have your technician install it.
What symptoms mean I need a new txv valve?
Common symptoms: unusual noises, intermittent operation, complete failure, or visible damage. Visit our diagnostic hub for symptom-based troubleshooting.
Is this txv valve 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 txv valve?
Always use OEM. Gas valves must match exact pressure ratings, port configurations, and safety certifications. Non-OEM gas valves can create safety hazards and may violate building codes.
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.
Home Shop Search Account Cart
Fitment Guaranteed