Systems
Ultimate Whole Home System
Connection Size
- 1" Standard
- Best for most homes with standard 1-inch plumbing. Provides excellent whole-home water flow for typical household use.
- 1.5" High-Flow
- Designed for larger homes or homes with 1½-inch plumbing. Allows higher flow rates for multiple bathrooms, fixtures, and appliances running at the same time.
Not sure which size you need? Check the size of your home's main water line or ask your plumber. Choosing a larger connection does not increase the size of your existing plumbing.
Filter Program eligible. After checkout you can enroll in worry-free replacement filters for the whole-home system.
Product details
WaterGnome Ultimate combines two premium carbon filtration stages with FILTERSORB SP3 scale protection for our most comprehensive salt-free whole-home configuration.
It is designed for homeowners who want maximum filtration performance from the WaterGnome three-stage platform.
What's Inside
Stage 1 — 20" Carbon Block Filter
Helps reduce chlorine, taste, odor, and other common municipal-water contaminants.
Stage 2 — 20" Catalytic Carbon Filter
Adds a second high-performance carbon stage for enhanced treatment of chlorine, odor, and difficult compounds.
Stage 3 — FILTERSORB SP3
Salt-free scale-prevention media designed to help reduce scale formation throughout plumbing and appliances without salt or regeneration.
Why Homeowners Choose Ultimate
- Dual carbon filtration
- Premium whole-home treatment
- Salt-free scale protection
- No salt bags
- No brine tank
- No regeneration wastewater
- Compact wall-mounted design
- Available with 1" Standard or 1.5" High-Flow connections
Ultimate is the strongest WaterGnome salt-free whole-home option for homeowners who want our highest level of filtration before water enters the home.