Craftmaster Water Heater Warranty Guide
Manufactured by A.O. Smith Corporation · Warranty info last verified: March 2026
Quick Warranty Facts
Tank / H.E. Coverage
6–12 years
Parts Coverage
12 years max
Labor Coverage
1 year
Transferable
No
Extended Warranty
N/A
Registration Required
Recommended
Warranty by Product Line
Coverage periods vary by model series. Check your model against the table below.
| Product Line | Tank / H.E. | Parts | Labor |
|---|---|---|---|
Standard Residential Entry-level residential models. Sold through wholesale distributors. | 6 yr | 6 yr | 1 yr |
Mid-Grade Residential Mid-tier models with improved energy efficiency. | 9 yr | 9 yr | 1 yr |
Premium Residential Premium line with extended coverage. | 12 yr | 12 yr | 1 yr |
How to Register Your Craftmaster Water Heater
Product registration is strongly recommended, even if not strictly required. It ensures Craftmaster has your information on file for warranty service and safety notifications.
You will need:
- Serial number (from the rating label)
- Model number
- Installation date
- Installer's name and contact info
- Your name and address
What's Covered
- Defects in materials and workmanship
- Tank leaks from manufacturing defects (during tank warranty period)
- Internal component failures under normal use
- Heat exchanger failure (for tankless units)
- Manufacturer's defects discovered during warranty period
What's NOT Covered
- Improper installation
- Sediment and mineral buildup
- Labor after year one
- Unauthorized parts or modifications
How to File a Craftmaster Warranty Claim
- 1
Locate serial and model numbers on the rating label
- 2
Call Craftmaster customer service at 800-365-0024
- 3
Work with a licensed plumber or A.O. Smith authorized service provider
- 4
Warranty parts are provided at no charge
Craftmaster warranty line: 800-365-0024
Warranty Transferability: No
Warranty is for the original purchaser only and does not transfer.
If you recently bought a home with a Craftmaster water heater, the warranty likely did not transfer to you. Check the age of the unit with our free tool and consider a home warranty plan if the unit is aging.
Additional Notes
Craftmaster (also sold as U.S. Craftmaster) is manufactured by American Water Heater Company, an A.O. Smith subsidiary. Products are sold exclusively through professional wholesale distributors. Not available at retail stores.
Related brands with similar warranty terms:
Craftmaster Warranty FAQ
How long is the warranty on a Craftmaster water heater?
Craftmaster water heater warranties range from 6 to 12 years for tank coverage, depending on the model series. Parts are typically covered for 12 years and labor for 1 year(s).
Is a Craftmaster water heater warranty transferable?
No. Craftmaster warranties are not transferable. Warranty is for the original purchaser only and does not transfer.
How do I check if my Craftmaster water heater is still under warranty?
Use our free serial number decoder at WaterHeaterChecker.com to find your manufacture date, then compare the age to Craftmaster's warranty period for your model. You can also contact Craftmaster directly at 800-365-0024 with your serial number.
What voids a Craftmaster water heater warranty?
Common warranty voiding issues for Craftmaster include: Improper installation; Sediment and mineral buildup; Labor after year one.
Does Craftmaster offer an extended warranty?
Craftmaster does not currently offer a standard extended warranty program. Contact them at 800-365-0024 for current options.
What do I do if my Craftmaster water heater fails under warranty?
Locate serial and model numbers on the rating label. Then call craftmaster customer service at 800-365-0024. Contact Craftmaster at 800-365-0024 for assistance.
More for Your Craftmaster Water Heater
Not sure which Craftmaster model you have?
Check your Craftmaster water heater's age, model info, and estimated warranty status with our free serial number decoder.
Decode Your Craftmaster Serial NumberThis information is provided as a helpful reference only. Warranty terms are set by Craftmaster and may change at any time. Always refer to the warranty certificate that came with your water heater for the definitive terms of your coverage. WaterHeaterChecker.com is not affiliated with Craftmaster or A.O. Smith Corporation.