Niagara One-Piece Toilets

Niagara offers 14 one-piece toilets toilets models in the lineup we track. This page is the Niagara-specific cut of the broader One-Piece Toilets toilets category — same product class, narrowed to the Niagara catalog only.

About Niagara

Niagara — Niagara commercial water heaters.

For the complete Niagara lineup across all sub-types and capacities, see the Niagara Toilets hub.

Niagara One-Piece Toilets models we track

• Niagara Power One Plus 0.8 GPF Concealed-Trapway Elongated Toilet (N7721) — Niagara Power One Plus — Power One with concealed-trapway designer styling. Ultra-low-flow + modern aesthetic at premium-mid pricing.
• Niagara Stealth Conserver Dual-Flush 0.95/1.6 GPF Two-Piece Elongated Toilet (N7719) — Niagara Stealth Conserver — older Niagara dual-flush. 0.95 GPF light + 1.6 GPF heavy. Bridge between Phantom and Stealth Dual-Flush.
• Niagara Stealth Dual-Flush 0.8/1.1 GPF Two-Piece Elongated Toilet (N7718) — Niagara Stealth Dual-Flush — vacuum-assist toilet with 0.8 GPF light flush + 1.1 GPF heavy flush. Average use ~0.95 GPF.
• Niagara Power One 0.8 GPF Two-Piece Elongated Vacuum-Assist Toilet (N7720) — Niagara Power One — refined ultra-low-flow toilet with upgraded vacuum-assist trapway. The newer flagship Niagara at 0.8 GPF.
• Niagara One One-Piece Elongated 1.0 GPF Toilet (N7950) — Niagara One — sub-1.0 GPF one-piece toilet. Combines water savings + designer one-piece silhouette + WaterSense Most Efficient.
• Niagara Stealth Sabre 0.8 GPF Two-Piece Elongated Vacuum-Assist Toilet (N7717) — Niagara Stealth Sabre — the lowest-flow gravity toilet IAPMO-certified in the US. 0.8 GPF vacuum-assist trapway, EPA WaterSense Most Efficient.
• Niagara Liberty 1.28 GPF Two-Piece Elongated Toilet (N2840) — Niagara Liberty — Niagara's 1.28 GPF mainstream toilet. WaterSense, comfort height, value-tier alternative to Stealth Sabre.
• Niagara Compact 1.28 GPF Two-Piece Compact-Elongated Toilet (N2850) — Niagara Compact — 1.28 GPF compact-elongated for tight bathrooms. Liberty engineering in compact 17.5" bowl format.

Other One-Piece Toilets toilets brands

If you're cross-shopping one-piece toilets toilets beyond Niagara, the following brands also ship in this category:

• Kohler One-Piece Toilets
• TOTO One-Piece Toilets
• American Standard One-Piece Toilets
• Eljer One-Piece Toilets
• Swiss Madison One-Piece Toilets
• Woodbridge One-Piece Toilets
• Delta One-Piece Toilets
• DeerValley One-Piece Toilets

About One-Piece Toilets toilets

A one-piece toilet is a single porcelain casting — tank and bowl molded together with no seam between them. It's the cleaner-looking, easier-to-maintain alternative to the standard two-piece, but the install logistics and price-to-performance ratio matter when you decide.

• No bolt-down tank gasket to fail — the most common "tank-to-bowl leak" mode doesn't exist on a one-piece because there's no joint.
• Easier to clean — no seam, no bolt caps, no gasket grime. A wipe of the back of the bowl is faster than maneuvering a rag around tank bolts.
• Lower profile — most one-piece designs are noticeably shorter overall (24–27" tall vs 30–32" for a two-piece), which works in small bathrooms with wi...

  For the complete one-piece toilets buyer's guide (all brands, full comparison framework), see the One-Piece Toilets category hub.

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