Sterling Windham Two-Piece Round-Front 1.28 GPF Toilet

The Sterling Windham positioning

The Sterling Windham (402082-0) is the round-front variant of the Sterling lineup — same Kohler-owned Sterling brand engineering as the Stinson, just configured with a round-front bowl for tight bathrooms. At $120-$170, the Windham is the absolute lowest-priced Sterling residential SKU. It competes directly with Glacier Bay All-in-One Round-Front ($89-$130), AmStd Mainstream Round-Front ($150-$190), and Mansfield Pro-Fit 1 Round-Front ($150-$220) in the entry-tier WaterSense round-front segment.

The Windham is the Sterling that property managers spec for powder rooms across apartment complexes, tract-builder GCs install in half-baths in spec homes, and landlords use for rental property turnover in tight bathrooms. It's the lowest-cost Kohler-family toilet you can buy that meets WaterSense compliance.

What the Windham delivers

• 3-inch flush valve with universal flapper compatibility (Korky 2032BP fits)
• 1.28 GPF — WaterSense certified, rebate-eligible in most US utility programs
• MaP 700g — exceeds WaterSense 350g threshold by 2x
• Comfort Height (16.5") — ADA-friendly when paired with appropriate seat
• Round-front bowl (16.5" front-to-back) — saves 2" of bathroom depth vs elongated
• 12-inch rough-in — US standard, universal compatibility
• Lifetime porcelain warranty — same warranty terms as Kohler-branded products
• Manufactured at Kohler Wisconsin/NY plants — same quality oversight as Kohler-branded

The Windham variant matrix

What's in the box

• Tank with pre-installed 3-inch flush valve + Fluidmaster-pattern fill valve
• Round-front bowl (16.5"), 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 1500RD round-front universal ($30)
• Installation manual + Kohler/Sterling warranty registration card

Install requirements and procedure

• Rough-in: 12 inches (standard).
• Weight: ~62 lbs total (tank ~25, bowl ~37). Single-person install very comfortable.
• Standard two-piece install — same procedure as Stinson or any Sterling/Kohler value-tier two-piece.
• Universal aftermarket parts — Korky 2032BP (3-inch flapper) and Fluidmaster 400A fill valve fit directly.

What owners report

• The Windham + Kohler-family brand pedigree at sub-$170 is the value proposition. Property managers and landlords specifically mention "Sterling at Glacier Bay price."
• Round-front bowl works well for powder rooms. Owners with tight half-baths specifically mention "Windham fit where the Cadet 3 Round wouldn't."
• Service is straightforward. Universal Korky/Fluidmaster aftermarket parts at every Home Depot.
• Standard ceramic glaze shows hard-water spots — same trade-off as all value-tier toilets.
• Service life: 15-20 years porcelain. Comparable to other Sterling toilets, slightly shorter than Kohler-branded equivalents.
• The 1.28 GPF flush + round-front bowl combination handles powder-room use reliably for normal-paper-use households.

Windham vs competitors in the entry-tier round-front segment

The verdict

Buy Windham if:

• Powder room or tight half-bath where round-front fits
• Landlord rebuild, property management spec, or rental property turnover
• You want Kohler-family brand pedigree at sub-$170
• Bulk purchases where $30-$50 per unit savings matters across 20+ toilets
• Secondary bathroom (basement, garage, in-law suite)

Skip and choose Glacier Bay All-in-One Round if:

• Absolute lowest price is the priority and 7-10 year service life is acceptable
• Brand pedigree doesn't matter

Skip and choose Kohler Wellworth Round if:

• Owner-occupied use where $30-$50 Kohler badge premium pays back at resale

Warranty

Sterling Windham residential warranty: 1 year on tank trim, lifetime on porcelain. Kohler-administered warranty service.

Pricing reality (2026)

Windham 402082-0 (White): $120-$150. Home Depot: $129-$159. Lowes: $119-$149. Build.com: $109-$139. Biscuit variant +$20-$30. Standard-height variant -$10-$15. Property-management bulk purchases discount to $89-$109 per unit through Kohler Direct commercial channel.