The TNT Water Guide
Understand Your Water. Choose with Confidence.
Explore practical guides to reverse osmosis, choosing a home water system, and keeping your filters maintained.
What Is Reverse Osmosis?
Understand the technology behind your drinking water system.
Learn how an RO membrane works with pre-filters and post-filters, what each part does, and why system performance depends on your water conditions and maintenance.
Learn About ROHow to Choose a Water Filtration System
Find a system that fits your home and daily routine.
Compare systems by their specifications, available under-sink space, maintenance needs, and replacement filter costs. The number of filtration stages is one part of the comparison—each stage’s purpose matters too.
Find Your SystemWhen Should You Replace Your Filters?
Keep maintenance simple and consistent.
Replacement schedules depend on the filter type, water quality, and household usage. Follow the instructions for your specific model, keep a record of service dates, and contact TNT if you notice leaks, reduced flow, or a change in taste or odor.
View the Maintenance GuideChecklist
Before You Choose a System
Consider these details before ordering:
- Water Source: Let us know whether your home uses municipal or well water, and share any available water test results.
- Available Space: Measure the space under your sink for the system, tank, and connections.
- Daily Usage: Consider the number of people in your household and how you use drinking water.
- Installation: Confirm your plumbing setup and local installation availability.
- Maintenance: Check replacement filter availability and ongoing costs.
Installation & Shipping
Installation & Shipping
Professional installation is available for $50 in nearby service areas, subject to location confirmation.
System prices do not include installation or shipping. Shipping charges vary by delivery location and will be confirmed before purchase.
Check Installation AvailabilityWarranty & Support
Warranty & Support
TNT RO systems include a 3-year manufacturer’s warranty, limited to replacement of parts confirmed to have manufacturing defects. Installation and shipping costs are not covered.
View Warranty DetailsNeed Help Choosing?
Talk to the TNT Team.
Send us your ZIP code, household needs, and any available water test results. We’ll help you compare the available systems.
Call or Text: +1 (773) 502-7999 · Email: info@tntwatertech.us