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Photo: AO Smith 
A.O. Smith · Model GCR-50
Signature Premier 50 Gal Gas
Reliable gas tank with Dynaclean diffuser to reduce sediment buildup.
Specs & features
- 50 gal storage
- Natural gas
- UEF 0.64
- 9-year manufacturer warranty
- Covered by A1 Lifetime Service membership
Best for: older homes & new homes
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