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Lennox

OEM Lennox Gas Valve Kit for DKVLT-050 Condensing Boiler — Y5354

SKU: LNX-Y5354 Brand: Lennox
$169.95 $229.95

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

The genuine OEM Lennox Y5354 gas valve kit is engineered specifically for the DKVLT-050 wall-mounted condensing gas boiler. This gas valve precisely regulates the flow of fuel to the burner, modulating output to match heating demand while maintaining safe, efficient combustion. As a critical safety and performance component, it works in concert with the boiler's control board and ignition system to deliver reliable, on-demand heat.

When a gas valve begins to fail, you may notice the boiler failing to ignite, intermittent or short-cycling operation, inconsistent water temperatures, delayed ignition, or a complete no-heat condition. A faulty valve can also trigger lockout fault codes as the control board detects an improper fuel flow or ignition failure. These symptoms warrant prompt replacement to restore safe operation.

Choosing an OEM Lennox Y5354 valve ensures an exact factory fit, correct gas pressure calibration, and full compatibility with your DKVLT-050 boiler's control logic. Aftermarket substitutes can introduce improper flow rates, safety concerns, and premature failure. This OEM kit protects your equipment's rated efficiency and warranty coverage.

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 Gas Valve fit my Lennox DKVLT-050 Condensing Boiler — Y5354?
Yes. This is the factory-specified OEM gas valve for the Lennox DKVLT-050 Condensing Boiler — Y5354. 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 gas valve on my Lennox DKVLT-050 Condensing Boiler — Y5354?
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 gas valve?
Common symptoms: unusual noises, intermittent operation, complete failure, or visible damage. Visit our diagnostic hub for symptom-based troubleshooting.
Is this gas valve 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 gas 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.
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Mike Rivera
HVAC Parts Specialist — Online