Premium Tier
Limited Warranty
Buderus Boiler Warranty
Bottom line (2026): Buderus offers a 10-year limited warranty on its boiler — transferable to new owners, with labor covered for the first 2 year(s). Scores 80/100 on the HomeScore Warranty Index, rated excellent for the premium-tier boiler category.
10 yr
Base Warranty
20–30 yr
Expected Lifespan
$6,000–$14,000
Price Range
GB142-24
Top Model
Warranty Score
What's Covered
- Heat exchanger
- Burner assembly
- Controls and safety devices
- Circulator pump
- Gas valve
Common Exclusions
- Scale buildup damage
- Freeze damage
- Improper water treatment
- Flue/venting issues
- Glycol system contamination
Warranty Details
| Coverage Type | Limited Warranty |
| Duration | 10 years |
| Transferable | Yes (fee: $50–$150) |
| Labor Coverage | Yes — first 2 year(s) |
| Registration Required | Yes — within 60 days from purchase |
| Extended Warranty | Available ($150–$400) |
| Country of Origin | Germany |
Warranty Claim Tips
- Boiler heat exchanger warranties range from 10–20 years — this is the most expensive component
- Annual water quality testing may be required to maintain coverage
- Keep combustion analysis reports from annual tune-ups
HomeScore Pro Tips
- A boiler heat exchanger replacement costs $2,000–$5,000 without warranty
- Condensing boilers require annual maintenance to prevent acidic condensate damage
Compare Boiler Warranties
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