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Niagara Liberty 1.28 GPF Two-Piece Elongated Toilet

Model N2840
4.6/5 from 1,019 ratings
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Upc
C11.101.01
Glaze
Standard ceramic
Design
Standard two-piece, value-tier Niagara
Map Score
800
Bowl Shape
Elongated
Flush Type
Standard Gravity (3-inch flush valve)

Niagara Liberty 1.28 GPF Two-Piece Elongated Toilet Review

The Niagara Liberty positioning

The Liberty (UPC C11.101.01, model N2840) is Niagara's value-tier 1.28 GPF toilet — the SKU for buyers who want Niagara brand pedigree but don't need (or can't reliably use) the Stealth line's ultra-low-flow 0.8 GPF flushing. At $170-$230, the Liberty competes directly with Kohler Highline Classic ($170-$280), American Standard Mainstream ($150-$210), and Mansfield Pro-Fit ($150-$220) in the value-tier mainstream toilet segment.

The Liberty is the right Niagara choice when: (a) the home has older drain lines where 0.8 GPF Stealth might not have enough flush momentum, (b) the rebate amount difference (typically $40-$80 less for 1.28 GPF vs ultra-low-flow) doesn't justify the Stealth premium, (c) the buyer wants simpler service (standard flapper vs Stealth-proprietary), or (d) the buyer wants a Niagara toilet at the lowest-cost-of-entry.

Why Liberty exists in the Niagara lineup

Niagara built the Stealth ultra-low-flow line as the brand's defining product. The Liberty exists because not every home is a good candidate for 0.8 GPF flushing — and the brand needed a value-tier WaterSense toilet for the broader market. Specifically:

  • Older homes (pre-1980s) with cast-iron or galvanized drain lines — partial obstructions need flush volume to clear. 1.28 GPF has more momentum than 0.8 GPF.
  • Heavy paper-use households — Liberty's 1.28 GPF flush handles paper loads that 0.8 GPF Stealth would double-flush.
  • Buyers who don't qualify for ultra-low-flow rebates — Liberty still qualifies for standard WaterSense rebates ($40-$100 typical).
  • Universal-parts preference — Liberty uses standard 3-inch flapper (Korky 2032BP fits) vs Stealth's proprietary parts.

Liberty vs Stealth Sabre — the Niagara decision

SpecLiberty N2840Stealth Sabre N7717
GPF1.280.8
Flush mechanismStandard gravity, 3-inch valveVacuum-assist trapway
MaP800g800g
WaterSense Most EfficientNo (standard WaterSense)Yes
Rebate amount (CA/AZ/TX typical)$40-$100$75-$200
Universal aftermarket partsYes (Korky 2032BP fits)No (Niagara-proprietary)
Older home drain compatibilityBetter — more flush momentumMarginal — may need clear drains
Price (~)$170-$230$280-$340
Best forOlder homes, heavy paper use, simpler service preferenceModern drain lines, maximum rebate, water-savings priority

The Liberty's value proposition: same WaterSense compliance + Niagara brand + 25-year service life at $110+ less than Stealth Sabre, with the trade-off of higher water use and lower rebate.

The Liberty variant matrix

Model #DescriptionPrice (~)
N2840Liberty, elongated, 1.28 GPF, Comfort Height, White$170-$210
N2842Same in Biscuit$190-$230
N2841 (round-front)Round-front Liberty, 1.28 GPF, Comfort Height$150-$200
N2843 (standard height)Liberty standard height variant for kid bathrooms$170-$210

What's in the box

  • Tank with pre-installed standard 3-inch flush valve + Fluidmaster-pattern fill valve
  • Elongated bowl, pre-drilled for 12" rough-in
  • Tank-to-bowl gasket and brass bolts
  • Chrome trip lever
  • Wax ring NOT included
  • SoftClose seat NOT included — Bemis 1500EC ($35) recommended
  • Installation manual + WaterSense documentation

Install requirements and procedure

  • Rough-in: 12 inches (standard).
  • Weight: ~75 lbs total (tank ~30, bowl ~45). Single-person install comfortable.
  • Standard two-piece install — same procedure as Kohler Cimarron or AmStd Cadet 3.
  • Universal aftermarket parts — Korky 2032BP (3-inch flapper) and Fluidmaster 400A fill valve fit directly. No Niagara-specific parts needed.

What owners report

  • Reliable for normal household use. MaP 800g delivers solid waste-clearance.
  • Universal parts service is the convenience advantage over Stealth — owners replace flappers at Home Depot rather than ordering from Niagara direct.
  • Standard ceramic glaze shows hard-water spots — same trade-off as other value-tier toilets.
  • The Comfort Height + elongated combination is the buying logic for adult-focused bathrooms.
  • Service life: 20-25 years porcelain.
  • Less retail visibility than Cadet 3 or Cimarron — Liberty often special-order at some retailers.

The verdict

Buy Liberty if:

  • Older home with cast-iron or partial-obstruction drain lines
  • Heavy paper-use household where 0.8 GPF Stealth would frequently double-flush
  • You want Niagara brand at value-tier price with universal aftermarket parts
  • Budget under $230 ceiling and standard WaterSense rebate is acceptable

Skip and choose Stealth Sabre if:

  • You're in CA/AZ/TX with WaterSense Most Efficient rebate eligibility
  • Water conservation is the priority + you have modern drain lines
  • $100-$130 premium for ultra-low-flow + higher rebate is justifiable

Skip and choose Kohler Cimarron or AmStd Cadet 3 if:

  • Brand recognition matters more than Niagara's water-savings reputation
  • Broader retail availability is preferred

Warranty

Niagara Liberty warranty: 5 years on tank trim, lifetime on porcelain. Same brand warranty terms as Stealth line. Universal aftermarket parts widely available.

Pricing reality (2026)

Liberty N2840 (White, elongated, Comfort Height): $170-$210. Home Depot Pro Desk: $179-$209. Lowes: limited availability. Build.com: $169-$199. Direct from Niagara: $169-$199. Round-front variant (N2841) -$20-$30 vs elongated. Net cost after rebates: $90-$170.

Pros
  • Lowest-priced Niagara at $170-$230
  • WaterSense 1.28 GPF certified — rebate-eligible
  • Comfort Height (16.5") + elongated bowl
  • Standard 3-inch flush valve — universal Korky/Fluidmaster parts fit
  • MaP 800g — solid waste-clearance performance
  • No proprietary vacuum mechanism — simpler service
  • Good for older homes with partial drain obstructions (more flush volume than Stealth)
  • Niagara brand pedigree at value-tier price
Cons
  • NOT WaterSense Most Efficient (only standard WaterSense)
  • Lower rebate amount than Stealth Sabre in most utility programs
  • Standard ceramic glaze
  • SoftClose seat NOT included
  • Less interesting brand story than Stealth ultra-low-flow line
  • Limited retail availability vs Cadet 3 or Cimarron

Full Specifications

Brand
Niagara
Model Number
N2840
Upc
C11.101.01
Glaze
Standard ceramic
Design
Standard two-piece, value-tier Niagara
Map Score
800
Bowl Shape
Elongated
Flush Type
Standard Gravity (3-inch flush valve)
Watersense
1
Ada Compliant
1
Height Inches
16.5
Warranty Years
5
Rough In Inches
12
Gallons Per Flush
1.28
Warranty Porcelain
Lifetime

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