- HEP Plumbing
- Dual-flush Commodes

Dual-flush Commodes
Dual-flush Commodes | Toilet Upgrades and Replacements | Plumbing | Oliver Springs
Imagine stepping into your Oliver Springs bathroom and knowing every flush saves water, lowers utility bills, and works flawlessly—thanks to HEP’s cutting-edge dual-flush commodes. Our team swaps out outdated fixtures with sleek, two-button systems that let you choose a light rinse or a powerful clear, reducing consumption by up to 60 % without sacrificing performance. It’s an eco-smart move that immediately feels more comfortable and looks more modern.
From the first call to the final wipe-down, HEP’s licensed plumbers handle every detail of toilet upgrades and replacements with care and speed. We arrive on time, haul away the old unit, set the new bowl perfectly level, and test for a rock-solid seal—backed by our satisfaction guarantee. Whether you’re renovating an entire home or just tired of jiggling the handle, let a dual-flush upgrade turn your bathroom into the efficient, worry-free space it should be.
FAQs
What exactly is a dual-flush toilet and how does it work?
A dual-flush toilet is designed with two separate buttons or handles that release different volumes of water: a reduced-volume flush (usually 0.8–1.1 gallons) for liquid waste and a full-volume flush (1.28–1.6 gallons) for solid waste. Inside the tank, a specialized flush valve and trapway allow the water level to vary depending on which button you press. This simple choice lets homeowners in Oliver Springs use only the water they need on each flush, lowering utility bills and conserving the city’s water supply.
How much water—and money—can I expect to save by upgrading to a dual-flush commode in Oliver Springs?
Compared with many older 3.5- to 5-gallon toilets still found in Oliver Springs homes, a WaterSense-certified dual-flush model can cut flush water use by up to 60 %. For an average household of four, that translates to roughly 12,000–15,000 gallons saved per year. At the current Tennessee Valley Authority (TVA) water rates, those savings typically equal $60–$90 annually. Over the life of the toilet (20+ years), the fixture often pays for itself two to three times through reduced utility costs.
Is professional installation required, or can I install a dual-flush toilet myself?
Homeowners with strong DIY skills can install a dual-flush toilet, but most prefer a licensed plumber because: • The wax ring must be seated and the flange leveled perfectly to prevent leaks. • Supply lines may need resizing to accommodate modern fill valves. • Older shut-off valves sometimes seize and must be replaced. • Oliver Springs follows the 2018 IPC, and a licensed plumber can ensure code compliance and handle haul-away of the old fixture. Our upgrade package includes removal and disposal of your existing toilet, new bolts, wax (or wax-free) seal, supply line, precise leveling, post-installation leak test, and cleanup—usually completed in less than two hours.
Will a dual-flush toilet fit my existing rough-in and plumbing?
Most Oliver Springs homes have a standard 12-inch rough-in (distance from finished wall to flange bolts). Nearly all major dual-flush models are stocked in this size. If your bathroom has a 10- or 14-inch rough-in, we can source specialty bowls or offset flanges to avoid costly floor work. We also check floor height, shut-off valve clearance, and flange condition prior to installation to guarantee compatibility.
How long will my water be shut off and how tidy is the upgrade process?
Water is isolated only at the toilet’s angle stop, so the rest of the home remains fully functional. The shut-off lasts about 30–40 minutes while we remove the old unit and seat the new bowl. We protect floors with drop cloths and haul away all debris. Most projects are wrapped up—including testing and cleanup—within two hours, and you can begin using the new commode immediately.
Are permits, rebates, or tax incentives available in Oliver Springs for toilet replacements?
Individual toilet swaps in existing homes usually don’t require a permit in Oliver Springs if no drain line alterations are made, but multi-fixture renovations may trigger inspection. Our office can clarify during scheduling. The Tennessee Department of Environment & Conservation periodically offers WaterSense rebate programs; when active, they provide $40–$100 back per qualifying toilet. We monitor these incentives and supply the paperwork you’ll need for submission. Additionally, upgrading to a WaterSense dual-flush model may qualify as an energy-saving improvement on certain federal tax credits if bundled with broader water-efficiency projects—ask your tax professional for current details.