40278 Water | Softener |top|

The Ultimate Guide to the 40278 Water Softener: Is This the Whole Home Solution You Need?

If you have landed on this page, you are likely tired of the chalky white residue on your faucets, the dry skin after a shower, or the skyrocketing cost of soaps and detergents. You are searching for a solution to hard water, and a specific model has caught your attention: the 40278 water softener.

Frequently Asked Questions (40278 Specific)

Q: Do I need a permit to install a water softener in 40278? A: No. Louisville Metro does not require a plumbing permit for a water softener, but you must install a backflow prevention device if you have an irrigation system tied in after the softener. 40278 water softener

• Softer skin and hair: No more dry, itchy skin or frizzy locks.
• Spotless dishes and glassware: No more pesky water spots or residue.
• Cleaner plumbing and appliances: Reduced limescale buildup means less maintenance and a longer lifespan for my pipes and appliances.
• Suds-tastic laundry: My clothes are cleaner, softer, and fresher than ever.

The 40,000-grain capacity means it can handle hardness up to 70–80 grains per gallon (gpg) for a family of four. The metered regeneration is a standout feature: it only recharges when needed (based on actual water usage), which cuts salt consumption by up to 30% compared to timers. The Ultimate Guide to the 40278 Water Softener:

Our Recommendation: Pair a 40278 water softener with a AquaTru or APEC RO-90 for drinking and cooking. Softer skin and hair : No more dry,

5. Installation & Maintenance

Installation Requirements

• Pre-filtration: A 5-micron sediment filter (not included) is strongly recommended, especially on well water.
• Drain line: Must be 1/2" ID tube, air gap required at floor drain.
• Brine tank location: Must be within 15 feet of the control valve (max lift 8 ft).

Safety & compliance

• Follow local plumbing codes for drain connections and backflow prevention.
• Use appropriate drainage and avoid cross-connections.
• Dispose of resin and components per local regulations.