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Lennox 604888-22, Natural to LP/Propane Gas Conversion Kit, ML180UHV Gas Furnaces

Name: Lennox 604888-22, Natural to LP/Propane Gas Conversion Kit, ML180UHV Gas Furnaces
Brand: Lennox
SKU: 604888-22
Price: 215.33 USD
Availability: InStock

In stock

$215.33 USD

Sale Sold out

Shipping calculated at checkout.

Key Features & Specifications

Genuine Lennox OEM Conversion Kit
Converts Natural Gas to LP/Propane
Includes All Required Orifices & Labels
For Use in ML180UHV Furnaces
Ensures Safe & Compliant Fuel Changeover

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Specifications

Product Details and Key Specifications:

Part Number: 604888-22
Manufacturer: Lennox (Genuine OEM)
Part Type: Natural Gas to LP Conversion Kit
Catalog Number: 19D58
For Use In Elevations: 0-7500 ft (typical for this type of kit).
Gross Shipping Weight: 1.75 LB (approx.)

description

Lennox P/N 604888-22 (Catalog 19D58) – Genuine OEM Natural to LP Gas Conversion Kit

The Lennox 604888-22 (Catalog 19D58) is a genuine OEM Natural Gas to LP/Propane Gas Conversion Kit. This kit is essential for converting compatible Lennox furnaces from using natural gas (NG) to liquid propane (LP) as the fuel source. It contains all the necessary components, such as specific orifices and labels, to safely and efficiently modify the gas train and ensure proper combustion and performance when using the new fuel type.

Being a Genuine OEM part from Lennox is vital for safety and regulatory compliance. Modifying a gas furnace requires precision components engineered to specific flow and pressure ratings. This original kit guarantees that all safety standards and efficiency ratings are maintained for the specific models it is designed for, such as the ML180UHV series, which cannot be guaranteed with generic, non-certified parts.

Key Features and Function:

Fuel Type Conversion: Allows specific natural gas furnaces to operate safely and efficiently using LP (propane) gas.
Genuine OEM Reliability: Official part from Lennox, ensuring precise fitment and validated functionality for compatible units.
Complete Kit Solution: Includes all necessary burner orifices, labels, and fittings for a compliant conversion.
Safety Assurance: Ensures proper combustion characteristics (pressure and flow) are met for the new fuel source.

Product Details and Key Specifications:

Part Number: 604888-22
Manufacturer: Lennox (Genuine OEM)
Part Type: Natural Gas to LP Conversion Kit
Catalog Number: 19D58
For Use In Elevations: 0-7500 ft (typical for this type of kit).
Gross Shipping Weight: 1.75 LB (approx.)

🛠️ HVAC Depot Pro Tip: Professional Installation Required

Gas conversion is a safety-critical procedure that must be performed by a qualified, licensed HVAC technician or gas fitter. Incorrect installation, particularly regarding orifice size or gas pressure adjustment, can lead to serious safety hazards, including fire or carbon monoxide leaks. Always verify final manifold pressure with a manometer after installation.

The 604888-22 is a direct OEM replacement for the following part numbers:

OEM Numbers:
604888-22, 19D58, 19D5801.

Extensive Model Compatibility List:

Note: Use 'CTRL+F' to search for your specific model:

Lennox ML180UHV Series:
Designed specifically for use with various models in the ML180UHV series gas furnaces.

Specification

Refund policy

Refund & Return Policy

Last Updated: June 2026

At HVAC Parts & Equipment Depot, customer satisfaction is important to us. This Refund & Return Policy explains how returns, exchanges, and refunds are handled for purchases made through TopHVACParts.com.

Return Eligibility

We accept returns within 30 days of delivery.

To qualify for a return:

The item must be unused, uninstalled, and in its original condition.
The item must be returned in its original packaging.
Model numbers and serial numbers must match the original purchase records.
Proof of purchase or order confirmation is required.

Non-Returnable Items

The following items are not eligible for return or refund:

Installed or used parts.
Products showing signs of installation, modification, or damage caused after delivery.
Items missing original packaging.
Sale or clearance items.
Special-order or custom-order products.
Returns requested more than 30 days after delivery.

Restocking Fee

Approved returns may be subject to a 20% restocking fee.

The restocking fee will be deducted from the refund amount after the returned item has been inspected and approved.

Damaged, Defective, or Incorrect Items

If you receive a damaged, defective, or incorrect item, please contact us within 7 days of delivery.

Email: support@tophvacparts.com
Phone: (214) 734-5222

We may request photographs and additional information to help process your claim.

If the claim is approved, we will provide a replacement, exchange, or refund at no additional cost to you.

Exchanges

We replace items only if they are defective, damaged upon arrival, or incorrectly shipped.

To request an exchange, contact us at:

support@tophvacparts.com

Refund Process

Once your return is received and inspected, we will notify you by email regarding approval or rejection of your refund request.

If approved:

Refunds will be issued to the original payment method.
Processing typically takes 7–14 business days after approval.
Your financial institution may require additional time before the refund appears in your account.

Return Shipping

Customers are responsible for return shipping costs unless the return is the result of:

Our shipping error,
A defective product,
A damaged product received upon delivery.

Original shipping charges are non-refundable.

We recommend using a trackable shipping service and purchasing shipping insurance for higher-value items.

Return Address

HVAC Parts & Equipment Depot
1135 E Plano Parkway, Suite 8
Plano, TX 75074
United States

Professional Installation Notice

Many HVAC products require installation by a licensed HVAC professional.

HVAC Parts & Equipment Depot is not responsible for damages resulting from improper installation, misuse, unauthorized modifications, or failure to follow manufacturer instructions.

Special Orders

Special-order products must be picked up within 30 days of purchase unless other arrangements have been approved.

Unclaimed special-order products may be returned to the manufacturer and may be subject to applicable restocking fees.

Contact Us

If you have questions regarding returns, refunds, or exchanges, please contact us:

HVAC Parts & Equipment Depot

Phone: (214) 734-5222
Email: support@tophvacparts.com

Refund & Return Policy

Last Updated: June 2026

Return Eligibility

We accept returns within 30 days of delivery.

To qualify for a return:

The item must be unused, uninstalled, and in its original condition.
The item must be returned in its original packaging.
Model numbers and serial numbers must match the original purchase records.
Proof of purchase or order confirmation is required.

Non-Returnable Items

The following items are not eligible for return or refund:

Installed or used parts.
Products showing signs of installation, modification, or damage caused after delivery.
Items missing original packaging.
Sale or clearance items.
Special-order or custom-order products.
Returns requested more than 30 days after delivery.

Restocking Fee

Approved returns may be subject to a 20% restocking fee.

The restocking fee will be deducted from the refund amount after the returned item has been inspected and approved.

Damaged, Defective, or Incorrect Items

If you receive a damaged, defective, or incorrect item, please contact us within 7 days of delivery.

Email: support@tophvacparts.com
Phone: (214) 734-5222

We may request photographs and additional information to help process your claim.

If the claim is approved, we will provide a replacement, exchange, or refund at no additional cost to you.

Exchanges

We replace items only if they are defective, damaged upon arrival, or incorrectly shipped.

To request an exchange, contact us at:

support@tophvacparts.com

Refund Process

Once your return is received and inspected, we will notify you by email regarding approval or rejection of your refund request.

If approved:

Refunds will be issued to the original payment method.
Processing typically takes 7–14 business days after approval.
Your financial institution may require additional time before the refund appears in your account.

Return Shipping

Customers are responsible for return shipping costs unless the return is the result of:

Our shipping error,
A defective product,
A damaged product received upon delivery.

Original shipping charges are non-refundable.

We recommend using a trackable shipping service and purchasing shipping insurance for higher-value items.

Return Address

HVAC Parts & Equipment Depot
1135 E Plano Parkway, Suite 8
Plano, TX 75074
United States

Professional Installation Notice

Many HVAC products require installation by a licensed HVAC professional.

HVAC Parts & Equipment Depot is not responsible for damages resulting from improper installation, misuse, unauthorized modifications, or failure to follow manufacturer instructions.

Special Orders

Special-order products must be picked up within 30 days of purchase unless other arrangements have been approved.

Unclaimed special-order products may be returned to the manufacturer and may be subject to applicable restocking fees.

Contact Us

If you have questions regarding returns, refunds, or exchanges, please contact us:

HVAC Parts & Equipment Depot

Phone: (214) 734-5222
Email: support@tophvacparts.com

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Lennox 604888-22, Natural to LP/Propane Gas Conversion Kit, ML180UHV Gas Furnaces