
APEC ROES-100 Essence Reverse Osmosis System
High-capacity 5-stage under-sink RO system producing 100 gallons per day.
Best for
High-demand households wanting fast-refilling under-sink RO.
Skip if
You rent, or cannot give up under-sink cabinet space.
What is APEC ROES-100 Essence Reverse Osmosis System?
The ROES-100 is the high-output model in APEC's Essence series, a five-stage under-sink reverse osmosis system rated at 100 gallons per day. That capacity is the reason to choose it over the more common 50 GPD systems: a higher production rate means the storage tank refills faster, so a busy household is less likely to run the tank down between uses. APEC states the system removes up to 99 percent of contaminants. The five stages combine sediment and carbon pre-filtration, the RO membrane itself and a final polishing stage, which is the standard under-sink RO arrangement. APEC sells a deep catalogue around it: replacement filter sets, tanks, pumps, leak detectors, housings and faucets, plus alternative configurations including tankless, countertop, UV and pH-remineralising variants.
SpecificationsAI-estimated
Key Features of APEC ROES-100 Essence Reverse Osmosis System
Use Cases for APEC ROES-100 Essence Reverse Osmosis System
Large households
100 GPD output keeps up with heavy daily drinking water demand.
Poor-quality municipal water
Five-stage RO targets a wide contaminant range.
Replacing bottled water
On-tap purified water at a fraction of the ongoing cost.
Kitchen renovations
Installed alongside a dedicated drinking water faucet during a remodel.
Pros & Cons of APEC ROES-100 Essence Reverse Osmosis System
Pros
- High 100 GPD output suits larger households
- Comprehensive spare parts and filter availability
- Standard under-sink installation with a dedicated faucet
- Part of a range so upgrades and variants are easy to find
Cons
- Under-sink installation is not practical in most rentals
- RO systems produce wastewater alongside purified water
- Consumes cabinet space for the unit and the storage tank
Frequently Asked Questions
How much water does it produce?
Up to 100 gallons per day, roughly double a standard 50 GPD residential RO system.
How many filtration stages are there?
Five, combining sediment and carbon pre-filtration, the RO membrane and a final polishing stage.
Does it need a storage tank?
Yes. Like most under-sink RO systems it uses a pressurised storage tank, which APEC sells alongside the system.
Are replacement filters available?
Yes. APEC sells matched reverse osmosis filter sets and individual filters directly.
Pricing Overview
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