Eljer offers 8 watersense certified toilets models in the lineup we track. This page is the Eljer-specific cut of the broader EPA WaterSense Certified Toilets toilets category — same product class, narrowed to the Eljer catalog only.
Eljer (Plano, Texas, founded 1904) is one of the oldest US plumbing fixture brands, currently owned by Eczacıbaşı Building Products (Turkish conglomerate that also owns Vitra). Eljer toilets appear in millions of US homes built from the 1940s through 1990s. Today, the brand maintains a focused residential and commercial line distributed through plumbing-supply houses, with strong replacement-parts availability for legacy installations. Lines include Patriot, Titan, Diplomat, and the Aqua-Saver low-flow series.
For the complete Eljer lineup across all sub-types and capacities, see the Eljer Toilets hub.
If you're cross-shopping watersense certified toilets beyond Eljer, the following brands also ship in this category:
EPA WaterSense is the federal voluntary water-efficiency certification program. A WaterSense-certified toilet uses 1.28 gallons per flush or less AND meets a minimum flush performance threshold (MaP score 350g+). Buying WaterSense-certified is the simplest way to ensure you're getting a real high-efficiency toilet, not just a label.
A 1.28 GPF toilet that won't reliably flush solid waste isn't actually water-saving — owners double-flush, defeating the savings. WaterSense certification requires the toilet to pass the MaP (Maximum Performance) test, which measures how much simulated solid waste the toilet clears in a single flush. The minimum threshold is 350g; most WaterSense-certified toilets test at 600–1,000g, well above the threshold.
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For the complete watersense certified buyer's guide (all brands, full comparison framework), see the EPA WaterSense Certified Toilets category hub.
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