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iSpring

Q: Can I use this to fill a large water tank (2500 gallons)? I'm currently on a well that feeds my 2500 gallon tank.

Hi R. Petersen, Thank you for your question. As long it is a holding tank and not a pressurized tank it will be okay. It might take a week for the tank to fill to maximum capacity as it is a 500 gallon per day system. Please do keep in mind the 500 gallon per day is based on if the water condition is perfect so the actually number might vary slightly due to water pressure, temperature, ppm, and contaminant levels. Thanks!Helen

Q: For whole house usage, which tank and pump do you recommend?

Hi, This system is not normally recommended to be used in a whole house application. We do have customers who have used this system in this application but we do not recommend this as the system was designed to be used as a commercial RO system for small businesses. Thank you, iSpring Water Systems LLC

Q: How do I back-flush the RO membrane as the manual recommends but does not say how to do it?

Hi A customer, Thank you for your question. This system is now designed to flush automatically so you no longer need to manual flush it. Thanks, iSpring Water Systems

Product ID: 273719792

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Details

Brand
iSpring
Special features
Chlorine
Product dimensions
35.6L x 27.9W
Material
Polypropylene
Capacity
500 Gallons

💧500 GPD high-capacity membrane

📈Built-in booster pump for max pressure

⚙️1.5:1 pure to drain water ratio

Frequently Bought Together

iSpring RCS5T Commercial Tankless Reverse Osmosis RO Water Filter System with 1.5:1 Pure to Drain Ratio, Pressure Gauge

iSpring F7-GAC NSF Certified 1-Year Replacement Filter Cartridge Pack, 7-Count for Standard 5-Stage Reverse Osmosis (RO) Systems

iSpring FA15 Alkaline Inline Water Filter Cartridge, 10” x 2” with 1/4” Quick Connect, NSF Certified, Add-on for RO Systems, Balances pH & Restores Minerals, 3-Layer Replacement Filter

Description

💧 Elevate your water game—pure, powerful, and perfectly efficient.

USER FRIENDLY DESIGN - 360° swivel faucet, pressure gauge, and see-through filter housing for effortless maintenance.
MASSIVE 500 GPD OUTPUT - Keep your business flowing with commercial-grade water capacity.
PRESSURE BOOSTING PUMP - No low-pressure worries; optimized flow for peak RO performance.
WATER SAVING 1 5 1 RATIO - Save 60% water compared to traditional RO systems—eco-smart and cost-effective.
ULTRA EFFICIENT 5 STAGE FILTRATION - From rust to heavy metals, enjoy crystal-clear water every sip.

The iSpringRCS5T is a commercial-grade tankless reverse osmosis system featuring a 5-stage filtration process that removes contaminants from rust to pesticides. It delivers up to 500 gallons per day with an industry-leading 1.5:1 pure to drain ratio, saving 60% water. Equipped with a booster pump to maintain optimal pressure, a 360° swivel faucet, and an easy-to-monitor pressure gauge, it’s designed for hassle-free installation and maintenance—ideal for restaurants, salons, labs, and offices seeking premium water quality.

Specifications

Material	Stainless Steel
Item Weight	9.2 Kilograms
External Testing Certification	NSF
Product Benefits	Removes PFAS, chlorine, hardness, and toxins while maintaining high water pressure and efficient water usage.
Brand	iSpring
UPC	662425070244
Global Trade Identification Number	00662425070244
Unit Count	1 Count
Number of Items	1
Manufacturer	iSpring
Part Number	RCS5T
Item Weight	20.2 pounds
Product Dimensions	14 x 11 x 18 inches
Item model number	RCS5T
Is Discontinued By Manufacturer	No
Size	500 GPD RO
Style	500 GPD RO
Power Source	Ac
Item Package Quantity	1
Special Features	Chlorine Reduction
Included Components	housings, filters, parts and tubing, faucet and mounting bracket 
Batteries Included?	No
Batteries Required?	No
Warranty Description	30 day warranty against manufacturer defects

Have a Question? See What Others Asked

Can I use this to fill a large water tank (2500 gallons)? I'm currently on a well that feeds my 2500 gallon tank.

For whole house usage, which tank and pump do you recommend?

How do I back-flush the RO membrane as the manual recommends but does not say how to do it?

Does this system remove flouride?

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