What are the specs for this Transformer?

The correct replacement for Lennox model OEM Lennox Transformer — 17V82 is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your Lennox equipment which lists the model number OEM Lennox Transformer — 17V82.

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OEM Lennox Transformer — 17V82

Name: OEM Lennox Transformer — 17V82
Brand: Lennox
SKU: LNX-17V82
Price: 29.95 USD
Availability: InStock

SKU: LNX-17V82 Brand: Lennox

$29.95 $39.95

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The Lennox 17V82 is a genuine OEM transformer that steps down line voltage to the low-voltage levels required to power control boards, thermostats, and other 24V control circuits in your Lennox HVAC system. Symptoms of a failing transformer include the system not responding to thermostat commands, blown fuses, or a complete loss of control power to the unit. This direct-fit Lennox replacement restores proper voltage supply and ensures reliable operation of all low-voltage system 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

OEM Lennox Transformer — 17V82

$29.95

Frequently Asked Questions

Does this Transformer fit my Lennox OEM Lennox Transformer — 17V82?

Yes. This is the factory-specified OEM transformer for the Lennox OEM Lennox Transformer — 17V82. 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 transformer on my Lennox OEM Lennox Transformer — 17V82?

Difficulty: Medium (30–45 min)
Step 1: Turn off breaker. Step 2: Photo wiring connections. Step 3: Disconnect wires from old transformer. Step 4: Remove mounting hardware. Step 5: Install new transformer, reconnect wires matching voltage ratings. Step 6: Verify 24V output with multimeter.

My thermostat has no power. What failed?

Thermostat with no display = failed 24V transformer (or blown control board fuse). Check the 3A/5A fuse on the control board first ($1–$5 fix). If fuse is good but no 24V output from transformer, replace transformer.

Is this transformer 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 transformer?

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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OEM Lennox Transformer — 17V82

Shipping Information

Return Policy

Frequently Asked Questions