The ProLine line is State\'s volume entry-tier tank water heater. Same chassis as AO Smith Signature manufactured by AO Smith; positioned as the value tier at Lowe\'s.
ProLine lineup
Atmospheric gas (GS6 series)
- 30-gallon (GS6-30-NORT)
- 40-gallon (GS6-40-CRVIT) — current gen
- 50-gallon (GS6-50-YBRT)
- 65-gallon (GS6-65-YBVIT)
- 75-gallon (GS6-75-YBVIT)
Electric (ES6 series)
- 30-gallon (ES6-30-DOTS)
- 40-gallon (ES6-40-DORS)
- 50-gallon (ES6-50-DORS)
- 66-gallon (ES6-66-DORT)
- 80-gallon (ES6-80-DORS)
Warranty
6 years tank / 6 years parts / 1 year labor — residential. Standard at the value tier.
When ProLine is right
- Like-for-like replacement of existing State / AO Smith atmospheric gas or electric tank
- Budget-priority install at Lowe\'s
- Standard 1-3 bathroom home with no special demand
- You don\'t need the longer 8-year warranty of ProLine XE
When to step up
- Step up to ProLine XE for higher efficiency + 8-year warranty
- Step up to Premier Hybrid for heat pump efficiency + IRA tax credit
- Step up to AO Smith Signature Select (at same Lowe\'s) for 9-year warranty on equivalent product
Pricing
- 30-gal gas: $549-749
- 40-gal gas: $649-849
- 50-gal gas: $749-949
- 65-gal gas: $949-1,199
- 75-gal gas: $1,149-1,449
- 30-gal electric: $449-599
- 50-gal electric: $649-849
- 80-gal electric: $999-1,249
Bottom line
Volume value-tier State tank. For most Lowe\'s shoppers, ProLine 50-gal gas or electric is the volume answer. 6-year warranty is the tradeoff vs longer AO Smith Signature warranties.