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The Star Supply Company stands behind the products we sell and we offer various warranty solutions to our customers. We also have dedicated staff ready and willing to assist in processing manufacturer warranty claims. We pride ourselves in timely handling of warranty claims and knowledge over the various manufacturer’s policies and procedures.

Registering your product

Several manufacturers require the end user to register their equipment in order to receive the full benefit of the full extended registered warranty vs the base year limited warranty. Below are the direct links to register your equipment with these manufacturers

Extended Warranties 

In addition to the basic manufacturer warranty policies we also offer, for purchase, extended warranties on certain products, such as Tecumseh. In addition, several of our manufacturers offer the ability to purchase extended warranties directly from them, or a third party. Please see below to find out more about the manufacturer extended warranty offerings.
Trane dealers are eligible to purchase a Trane extended warranty by visiting Trane dealers sell the extended warranties to the homeowner directly. If you are a Trane dealer and do not have access to please reach out to our Marketing Department for assistance via email at or calling us at 203-772-2240.  You may also contact Trane directly at or call 1-800-554-6413, option 4 for assistance.

  All Weil McLain extended warranties are serviced by CornerStone United. Any contractor that wants to sell an extended warranty needs to be registered with CornerStone United. In order to contact CornerStone United, please call 1-800-824-5090 or visit  Contractors sell the extended warranty to the homeowner directly and in turns pays CornerStone. 

If a homeowner would like to purchase an extended warranty and no longer has contact with the original installing contractor then please contact Weil Mclain (800) 654-2109 and they can provide a list of CornerStone registered contractors in the area. 

Warranty Claims 

The form below is to assist our customers in gathering and completing the necessary information that is typically required for us to process a warranty claim on your behalf. To expedite the processing of a warranty claim, please complete the Warranty Form, and either:
1.     Send via email to
2.     Fax to 203-865-7827
3.     Call or Text 203-772-2240 for a member of our inside sales team to assist 
4.     Bring in this completed form to our sales counter

General Warranty Part Return Guidelines 

Warranty credit will be issued for all manufacturer warranty items once the return is reviewed and approved by the manufacturer. If the item is required to be sent back to the manufacturer for review and analysis, most manufacturers will charge for the cost of the freight to return the item. This freight charge will be deducted from the final warranty credit when processed.

If a part is required back, all parts must be returned within 15 days of claim submission

The following manufacturers REQUIRE the part to be returned. Any manufacturer not listed below, customers must hold the part for 90 days or until the warranty credit memo is received.

Any compressor that is required to be returned must be sealed and capped

Aspen Pumps Fasco Mars
Aprilaire Field Controls Nest
A.O. Smith Gastite-Titeflex Packard
Baxi General Filters RW Beckett
Bohn/Heatcraft Grundfos Taco
Butler/Ventamatic Honeywell Tecumseh
Carlin Hydrolevel Tjernlunh
Century Laars UEI
CPS Products Little Giant Warren Technologies
Direct Coil Magic Aire


Fantech Marley-Berko

Weil McLain and Williamson-Thermoflo Warranty Guidelines

Contractors should call the Warranty Call Center at 1-800-654-2109, option 3, and provide warranty claim information. In most cases you will receive a warranty disposition over the phone. Upon warranty approval, please visit us at The Star Supply Company, to obtain a replacement unit/part or receive a credit.
To initiate a warranty, be sure to have the following information available: Required Information
This procedure will not apply to Cornerstone Claims.
Cornerstone claims should still be directed to CornerStone at 1-800-824-5090

For detailed individual manufacturer warranty
terms/policy please click on the respective logo below