Premier Water Systems Premier Oceanic 400 GPD vs Premier Water Systems 300 GPD RO System: Spec Comparison
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You are comparing the premier water systems premier oceanic 400 gpd vs 300 gpd ro system. Both units are light commercial reverse osmosis systems with built-in booster pumps. They share a five-stage filtration approach to remove pollutants. The main difference lies in their output capacity and physical dimensions. The Oceanic model offers higher daily production, while the 300 GPD unit highlights a more efficient waste ratio. You need to weigh flow rate against space and water conservation.
Key differences
| Aspect | Premier Oceanic 400 GPD Light Commercial RO | Premier Water Systems 300 GPD RO System |
|---|---|---|
| Capacity (GPD) | 400 | 300 |
| Pure to Drain Ratio | not listed | 1:2 |
| Dimensions (H x W x D) | 20 x 10 x 16 inches | 36 x 12 x 18 inches |
| Pre-filter Size | not listed | 20-inch |
| Fittings | not listed | 3/8-inch |
Which one should you choose?
Choose Premier Oceanic 400 GPD Light Commercial RO if
- You need higher daily production for a busy environment
- You have limited vertical space for installation
- You prioritize a more compact footprint
Choose Premier Water Systems 300 GPD RO System if
- You want a lower waste water ratio
- You prefer oversized pre-filters for longer life
- You need faster flow fittings
Verdict: Choose the Oceanic 400 GPD if your priority is maximum output and a smaller physical profile. Pick the 300 GPD system if water efficiency and longer-lasting pre-filters are more important to you. Both provide light commercial grade performance with booster pumps.
Capacity and Design Comparison
Daily output capacity
The Premier Oceanic 400 GPD Light Commercial RO produces up to 400 gallons of purified water each day. This higher capacity supports large families, small restaurants, and busy commercial settings without needing a storage tank to maintain flow. The Premier Water Systems 300 GPD RO System offers a lower output of 300 gallons daily. While still sufficient for many light commercial uses, it provides less volume than the Oceanic model. If your operation requires higher throughput, the 400 GPD unit delivers more water per day.
Water waste ratio
The Premier Water Systems 300 GPD RO System features a dual-flow reverse osmosis membrane that reduces the waste water ratio to 1:2. This means for every two gallons of pure water produced, one gallon is sent to drain. Standard RO systems often waste more water, with ratios closer to 1:4. The Premier Oceanic 400 GPD Light Commercial RO does not list a specific pure-to-drain ratio in its published specifications. For efficiency-conscious buyers, the 300 GPD model offers a clear advantage in water conservation.
Pre-filter size and life
The Premier Water Systems 300 GPD RO System uses oversized 20-inch pre-RO filters. These larger filters provide up to 30,000 gallons of filtered water, which is twice the capacity of the industry-standard 10-inch filters. This extended life can reduce maintenance frequency. The Premier Oceanic 400 GPD Light Commercial RO does not specify the size or lifespan of its pre-filters in the provided data. You cannot determine if the Oceanic system offers similar filter longevity without more information.
Physical dimensions
The Premier Oceanic 400 GPD Light Commercial RO measures 10 inches in width, 20 inches in height, and 16 inches in length. Its compact footprint makes it easier to fit in tighter spaces. The Premier Water Systems 300 GPD RO System is larger, measuring 12 inches in width, 36 inches in height, and 18 inches in length. The significant difference in height means the 300 GPD unit requires more vertical clearance. If space is limited, the Oceanic model is the more suitable choice.
Filtration stages
Both systems utilize a five-stage filtration process to remove contaminants. The Premier Oceanic 400 GPD Light Commercial RO removes up to 99% of over 1,000 pollutants, including chlorine, fluoride, lead, arsenic, pesticides, pathogens, sulfur, THMs, PFOA, and PFOS. The Premier Water Systems 300 GPD RO System also employs reverse osmosis filtration but does not list specific pollutant removal percentages or a count of stages in its key specs beyond the general type. Both aim for high purity, but the Oceanic model provides more detailed filtration claims.
Which RO system fits your needs
High-volume commercial users
You need maximum daily output for busy environments. The Oceanic 400 GPD model produces up to 400 gallons of purified water each day. This higher capacity supports large families, small restaurants, and busy commercial settings without needing a storage tank to maintain flow. It functions effectively as a tankless system, ensuring consistent supply during peak usage times.
Water conservation focused buyers
You want to minimize wastewater during the filtration process. This 300 GPD system features a dual-flow reverse osmosis membrane that reduces the waste water ratio to 1:2. Standard RO systems often waste more water at a 1:4 ratio. This efficiency makes it a smarter choice if you are concerned about water usage while still getting light commercial grade performance.
Low maintenance preference
You prefer longer intervals between filter changes. This unit uses oversized 20-inch pre-RO filters that provide up to 30,000 gallons of filtered water. This capacity is twice as much as the industry standard 10-inch filters. You will spend less time and effort replacing pre-filters, making it a practical option for those who value low maintenance in their water system.
The products compared
Premier Oceanic 400 GPD Light Commercial RO
Best for: Light commercial use and large families
- Filtration Stages
- 5
- Capacity (GPD)
- 400
- Filtration Type
- Reverse osmosis
- Capacity
- 400 GPD
- Use
- Light Commercial
- Dimensions
- 16 × 10 × 20 inches
View on Amazon: Premier Oceanic 400 GPD Light Commercial RO Affiliate link
This Premier Water Systems unit delivers up to 400 gallons per day through five stages of reverse osmosis filtration. It includes a built-in booster pump to maintain optimal pressure and a gauge for monitoring filter life. The compact 10 by 16 by 20 inch footprint suits light commercial use or large households. It removes over 1,000 pollutants, including lead and fluoride, without requiring a storage tank for basic operation.
Pros
- Produces 400 GPD for high-demand settings
- Five-stage filtration removes 99% of pollutants
- Built-in booster pump ensures consistent flow
- Pressure gauge helps track filter replacement needs
Cons
- Requires a separate storage tank for continuous high-volume supply
- No mention of smart monitoring or app connectivity
- Bulkier dimensions than standard residential under-sink units
Good fit if
- You need a tankless system for a small business
- You require high daily output for a large family
- You want to monitor water pressure manually
Skip if
- You need a compact unit for a small cabinet
- You want fully automated tankless operation without storage
- You prefer remote monitoring or smart features
Verdict: Premier Oceanic 400 GPD RO System fits light commercial environments or large households that need high daily output. It works best when you can accommodate a storage tank for steady flow.
Premier Water Systems 300 GPD RO System
Best for: Light commercial spaces needing high volume
- Capacity (GPD)
- 300
- Pure to Drain Ratio
- 1:2
- Filtration Type
- Reverse osmosis
- Installation Type
- Light commercial
- Features
- Booster pump
- Capacity
- 300 GPD
View on Amazon: Premier Water Systems 300 GPD RO System Affiliate link
This Premier Water Systems unit delivers 300 gallons of purified water daily using a light commercial grade reverse osmosis membrane. It includes a built-in booster pump to maintain optimal pressure and oversized 20-inch pre-filters that double standard capacity. The dual-flow design reduces wastewater to a 1:2 ratio. You get fast flow via 3/8-inch fittings. It fits well in settings like restaurants or labs where higher volume is needed.
Pros
- 300 GPD daily production capacity
- Built-in booster pump for consistent pressure
- 1:2 pure to drain wastewater ratio
- Oversized 20-inch pre-filters for 30,000 gallons capacity
- 3/8-inch fittings for faster water flow
Cons
- Larger footprint with 36-inch height
- Requires 22-95 psi feed water pressure
- Light commercial grade build may be overkill for small households
Good fit if
- You need higher daily water output than standard residential systems
- You operate a light commercial space like a salon or lab
- You want reduced wastewater compared to traditional 1:4 ratio systems
Skip if
- You have limited under-sink space with height constraints
- Your water pressure is consistently below 22 psi without a pump
- You only need basic residential filtration for a small family
Verdict: Premier Oceanic 300 GPD RO System offers robust output and efficiency for light commercial users. It suits professionals needing reliable volume and lower waste ratios in their daily operations.
Specifications side by side
| Spec | Premier Oceanic 400 GPD Light Commercial RO | Premier Water Systems 300 GPD RO System |
|---|---|---|
| Filtration Stages | 5 | not stated |
| Capacity (GPD) | 400 | 300 |
| Pure to Drain Ratio | not stated | 1:2 |
| Filtration Type | Reverse osmosis | Reverse osmosis |
| Installation Type | not stated | Light commercial |
| Features | not stated | Booster pump |
| Capacity | 400 GPD | 300 GPD |
| Use | Light Commercial | Drinking Water, Light Commercial |
| Dimensions | 16 × 10 × 20 inches | 18 × 12 × 36 inches |
| Model | not stated | LC300-2520-BP |
Frequently asked questions
Which RO system is physically smaller?
The Premier Oceanic 400 GPD model is more compact. It measures 10 inches wide, 16 inches long, and 20 inches tall. The 300 GPD unit is larger, standing 36 inches high with a 12-inch width and 18-inch length. You should choose the Oceanic if you have limited vertical or horizontal space for installation.
Do both systems include a booster pump?
Yes, both units are designed for light commercial use and include built-in booster pumps. The 300 GPD model explicitly lists a booster pump in its features. The Oceanic 400 GPD also requires this component to maintain its high daily output. This ensures consistent pressure for efficient filtration in both systems.
Can I use these systems for drinking water?
The Premier Water Systems 300 GPD RO System is explicitly rated for drinking water and light commercial use. The Oceanic 400 GPD is best for light commercial environments and large households. While both produce purified water, the 300 GPD model clearly states its suitability for direct consumption in its feature list.
What is the difference in daily output capacity?
The primary difference is the gallons per day rating. The Oceanic 400 GPD produces up to 400 gallons daily. The 300 GPD model produces 300 gallons per day. You should select the Oceanic if you need higher volume for busy settings. Choose the 300 GPD if your daily usage is moderate.
Which model is better for large families?
The Premier Oceanic 400 GPD is better suited for large families. Its 400 GPD capacity supports high daily water needs without relying solely on storage tanks. The 300 GPD model is optimized for light commercial spaces. If your household consumes significant amounts of filtered water, the higher output of the Oceanic is more practical.
Are both systems five-stage filtration units?
Yes, both systems utilize a five-stage filtration approach. This standard configuration removes various pollutants to ensure water purity. While specific filter details are not listed, the shared filtration stage count means both units follow the same purification process. You can expect similar contaminant removal capabilities from both models.
Which unit has a taller profile?
The Premier Water Systems 300 GPD RO System has a significantly taller profile. It stands 36 inches high, making it suitable for under-sink or floor-standing installations where height is not a constraint. The Oceanic 400 GPD is shorter at 20 inches. You should measure your installation space carefully before choosing the taller unit.