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Lochinvar DR-8538-970Afan assembly rinnai tankless water heater OTSQJ2 18L2500

Lochinvar DR-8538-970A fan assembly rinnai tankless water heater OTSQJ2 18L2500

Regular price $500.00

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Lochinvar DR-8538-970A fan assembly rinnai tankless water heater OTSQJ2 18L2500

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Lochinvar DR-8538-970Afan assembly rinnai tankless water heater OTSQJ2 18L2500

DESCRIPTION

This product may contain shelf wear, have minor cosmetic imperfections, or have been tested. All our certified pre-owned products are backed by our return policy. We offer free shipping on all items. Please contact us for discounts or if you have any questions. We look forward to doing business with you!

The Lochinvar DR-8538-970A Fan Assembly is a replacement blower/fan unit designed for use with Rinnai-style tankless water heaters. This component is cross-referenced to the Rinnai OTSQJ2 18L2500 platform and serves as a critical part of the combustion air delivery system, ensuring proper airflow for efficient and safe burner operation.

This fan assembly is responsible for supplying combustion air and maintaining correct flue gas exhaust in tankless water heater systems. A failing or worn fan assembly can result in error codes, reduced heating performance, or unit shutdown. This replacement unit is designed to restore proper operation and maintain the high-efficiency performance expected from condensing or non-condensing tankless water heater platforms.

The unit is suitable for use in residential and light commercial tankless water heater applications where reliable, on-demand hot water delivery is required. It is a direct-fit replacement compatible with select Lochinvar and Rinnai tankless models that share the same platform design.

Key Specifications:

  • Part Number: Lochinvar DR-8538-970A
  • Component Type: Fan / Blower Assembly
  • Cross-Reference: Rinnai OTSQJ2 18L2500
  • Application: Tankless Water Heater Combustion Air System
  • Platform Compatibility: Select Lochinvar and Rinnai tankless water heater models
  • Heater Capacity: Typically rated for units up to approximately 199,000 BTU
  • Function: Combustion air supply and flue gas exhaust management
  • Condition: Certified Pre-Owned

If you have questions about whether this fan assembly is compatible with your specific Lochinvar or Rinnai tankless water heater model, please contact us with your unit's model and serial number before purchasing.

Contact Info


Willard’s HVAC Supply, LLC

311 Belair Road
North Augusta, SC 29841

Phone: (803) 510-7290
Email: support@willardshvacsupply.com

Use our live chat to text with us.

Hours: Mon–Fri 8AM–5PM (EST)

Shipping Policy

At Willard's HVAC Supply, we take pride in fast, reliable shipping for both standard and freight orders. Please review our shipping terms carefully to understand how your order will be processed and delivered.

1. Shipping Destinations

We ship to the contiguous United States (lower 48 states) only. We do not ship to Alaska, Hawaii, P.O. boxes, APO/FPO addresses, or international destinations.


2. Shipping Costs

We offer free standard shipping on all orders. Freight shipments are included at no additional shipping charge unless optional services such as liftgate delivery are requested.


3. Carriers Used

We ship using a combination of standard parcel carriers (UPS, FedEx, USPS) and LTL freight carriers depending on the size, weight, and type of product ordered.


4. Order Cutoff Time & Handling Time

  • Order Cutoff Time: 2:00 PM EST, Monday through Friday.
  • Orders placed by 2:00 PM EST on a business day will begin processing the same day.
  • Orders placed after 2:00 PM EST, or on weekends and holidays, will begin processing the following business day.
  • Handling Time: All orders are processed and shipped within 1 business day of payment confirmation.


5. Estimated Transit Time

  • Standard Ground (Non-Freight): 3–5 business days after shipment. Carriers deliver Monday through Saturday.
  • Freight Orders: 5–7 business days after shipment depending on destination. LTL freight carriers typically deliver Monday through Friday.


6. Freight Shipping Details

  • Freight shipments are delivered curbside to commercial or residential addresses.
  • The customer is responsible for unloading the item(s) from the truck unless a liftgate service is purchased or included.
  • Inspect all freight deliveries before signing the carrier's delivery receipt. Note any visible damage immediately and contact us within 24 hours at support@willardshvacsupply.com.


7. Tracking Information

Once your order ships, a tracking number will be provided via email. Freight shipments may include a Bill of Lading (BOL) number for status updates through the carrier's website.


8. Missing or Undelivered Orders

If you have not received your order within the estimated delivery window, please take the following steps:

  1. Check your tracking number or BOL number for the latest carrier update.
  2. Allow 1–2 additional business days, as carrier delays occasionally occur.
  3. If your order still has not arrived, contact us at support@willardshvacsupply.com with your order number and we will investigate and resolve the issue promptly.


9. Delays Beyond Our Control

While we strive to meet all delivery timelines, Willard's HVAC Supply is not responsible for carrier delays caused by weather, natural events, or other circumstances beyond our control.


10. Contact Us

For any questions about shipping or tracking your order, please contact us at:

Email: support@willardshvacsupply.com

Refund & Return Policy

Return, Exchange & Limited Refund Policy

Effective Date: May 26, 2026 Willards HVAC Supply LLC | 311 Belair Rd, North Augusta, SC 29841

Exchange-Only Policy

At Willards HVAC Supply, all approved returns are handled as exchange-only returns, regardless of the reason for return, including but not limited to seller error, shipping issues, wrong item received, defective merchandise, compatibility concerns, or customer ordering mistakes.

We do not guarantee refunds, and all return requests for an exchange must be made within seven days of delivery. Failure to do so will result in the rejection of your request regardless of whether the problem is due to our error or not.

Approved returns may be resolved through one or more of the following remedies, at our sole discretion:

  • Exchange for the same item
  • Replacement of the item
  • Exchange for an equivalent item of similar function or value
  • Store credit for future purchases

Limited Refund Exception

If an approved returned item cannot reasonably be replaced or exchanged because inventory is unavailable, discontinued, or otherwise not obtainable, Willards HVAC Supply may choose, at its sole discretion, to issue a refund to the original payment method.

Refunds are not guaranteed, are not a customer entitlement, and are issued only at the sole discretion of Willards HVAC Supply.

Seller Error / Wrong Item / Shipping Error

If we ship the wrong item, incorrect quantity, or an incorrectly labeled item, please notify us within 7 calendar days of delivery. Once approved, we will provide return instructions and prepaid return shipping.

Upon receipt and inspection of the returned product, we will resolve the matter through an exchange, replacement, equivalent product, or store credit, at our sole discretion.

If replacement inventory is unavailable, we may, but are not obligated to, issue a refund.

Customer Remorse / Compatibility / Wrong Part Ordered

Because HVAC products are highly technical and application-specific, returns for wrong part ordered, compatibility issues, misdiagnosis, change of mind, or pricing concerns are generally not accepted unless approved by Willards HVAC Supply.

If approved, any return resolution will be exchange-only and not a refund, except where Willards HVAC Supply elects otherwise in its sole discretion.

Defective Products / Warranty Claims

Defective items covered under our seller warranty will be resolved through repair, replacement, exchange, equivalent product, or store credit, at the sole discretion of Willards HVAC Supply.

Refunds are not guaranteed and may only be issued if replacement options are unavailable and Willards HVAC Supply elects to do so.

Doing Business With US

  • RETURNS ACCEPTED
    We will gladly send an exchange for your part.
  • DISCOUNTS AVAILABLE
    Contact us for savings.
  • IMMEDIATE PHONE SUPPORT
    (803) 510-7290
  • FREE SHIPPING
    Free shipping on all orders.
  • FAST DELIVERY
    Orders ship within 24 hours.
  • CHAT SUPPORT
    Your preference for communication.
  • PRICE MATCH
    We will price-match most competitors.
  • SMALL BUSINESS
    Support a small business in the USA.
  • INFORMATION PRIVACY
    Top industry standards for security.