Water Filtration Installation
Clean up taste, odor and cloudiness with a filter at the kitchen tap or on the whole house. Open page
Heaters and treatment equipment
Water Softener Installation and Repair in Thornton, CO
Hard water leaves white crust on fixtures, spots on dishes and scale inside heaters. A softener swaps the hardness minerals for sodium or potassium so the water stays gentle on pipes and appliances.
Say whether you want a new softener or need an existing one fixed.
Signs of hard water
- White crust on faucetsMineral buildup around aerators and showerheads.
- Spotted dishes and glassWater leaves a film as it dries.
- Short heater lifeScale insulates elements and corrodes tanks.
How hard is Thornton's water
Thornton's 2025 water quality report lists hardness between 152 and 356 milligrams per liter, with an average near 230, which the city equates to about 13.5 grains per gallon. That same report adds that the city's treatment plants do not remove hardness.
Most water treatment dealers call anything above about 10 grains per gallon very hard, so a softener is a reasonable upgrade for many Thornton homes.
How a softener works
A softener passes water through resin beads that hold sodium. As hard water flows past, calcium and magnesium stick to the beads and sodium is released. Periodically, the unit regenerates by flushing brine through the resin and rinsing the minerals down the drain.
The result is soft water for the whole house, or for a hot water line only, depending on how the unit is plumbed. A bypass valve lets you divert water around the softener for service or for outdoor taps.
In Thornton
A hard-water city with cold basements
Basements keep a softener cool, but an unheated garage can freeze the resin and damage the valve. If your only option is a garage, ask about insulating the enclosure or choosing another spot.
Spring hydrant flushing can stir sediment into the lines. A softener can clog if sediment gets into the resin, so a pre-filter is a good companion.
Cost
Pricing a softener job
The total follows the equipment chosen and the pipework around it.
Ask for the grain capacity, the salt use per regeneration and the warranty on the resin and valve.
Sizing and setup
Capacity is measured in grains of hardness removed between regenerations, and the right figure follows from how much water the household uses and how hard that water is. Too small a unit regenerates too often, and too large wastes salt.
The installer sets the hardness on the control head, picks a regeneration schedule and connects a drain line and an overflow. Ask for a demonstration of the bypass and how to add salt.
Common repairs
Softeners fail in familiar ways: a salt bridge that stops brine from forming, a clogged injector, a worn control valve or resin that has fouled. A salt bridge can often be broken by gently tapping the crust with a broom handle.
If the water is hard again or the unit runs constantly, have a plumber check the settings, the brine line and the control head. Old resin may need replacement.
Salt, drainage and local rules
Regeneration sends brine to the drain. Some communities limit sodium discharge, so ask your contractor to check any local rules. Potassium chloride is an alternative salt for people who want to avoid sodium.
Place the softener where it has a floor drain or a standpipe, an outlet for power and enough space to refill salt. Keep it away from freezing locations.
Water quality pages
Water Heater Installation & Replacement
Remove a dead tank and install a unit sized, fueled and vented to suit how your household uses hot water. Open page
Tankless Water Heater Service
Flush scale from an on-demand heater, repair it or replace it, with the setup this elevation calls for. Open page
Quick answers
Asked about water softener
Yes. The city's 2025 report lists an average near 13.5 grains per gallon, and its plants do not remove hardness.
Not much. It removes hardness minerals. A filter handles chlorine, chloramine, sediment and taste.
That varies with household use and water hardness. Peek into the brine tank once a month and keep it above one third full.
Yes, by placing the softener on the heater feed, though whole-house treatment protects all fixtures.
Switch it to bypass or close its supply valve, then phone in. Resin tank work and new installs are scheduled for weekdays.
Tired of scale and spots?
Call and ask about a softener. A dispatcher will connect you with a contractor.