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Hydrotech 1240 Pro Series 4 Stage Reverse Osmosis System
Hydrotech 1240 Pro Series 4 Stage Reverse Osmosis System. Best in Design, rated least points of connection to leak. Our premier model is equipped with our patented Smartap® Push Button Monitor. This model also utilizes three dedicated sediment and carbon filters. 9, 25, 50 and 75 GPD versions available. The Smartap® Monitor is included.

9 GPD Retail: $382.95  Our Price: $268.95

75 GPD Rating

50 GPD Rating

25 GPD Rating

15 GPD Rating

9 GPD Rating

The Hydrotech 1240 Pro Series (4VTFC75GPB) is Hydrotech's premier line of reverse osmosis sytems, features a Smartap push button monitor that tells you when you should change your membrane. The Hydrotech 1240 Pro Series filters water through four stages to ensure your water is free of the pathogens, dissolved solids and organics, pesticides and VOCs that lurk in your home's tap water. This model differs from the Hydrotech 1240 E Series in that it contains an exclusive sediment filter in addition to two carbon filters and the RO membrane. It also comes with an air gap faucet that prevents waste water from reentering your water supply. Also known as item 1240303.

The Hydrotech Reverse Osmosis System offer a more advanced treatment process than typical entry level pour-through pitchers or faucet filters. At the heart of the system is a reverse osmosis membrane which removes impurities as small as an atom! Additionally, your water passes through a series of sediment and carbon filters – eliminating any unwanted tastes and odors giving your water a polished, fresh taste!

The Hydrotech Reverse Osmosis System is a 4-Stage RO system which combines mechanical filtration with reverse osmosis technology for effective water filtration treatment in point-of-use applications. It also features a thin film composite membrane, a dual purpose sediment and activated pre-carbon filter, activated post-carbon filter, automatic shut-off, chrome standard faucet and a storage tank.

Unit includes the patented Smartap® Push Button Monitor ($59.00 extra from most resellers). Smartap® allows the user to monitor the quality of the water filtering. Green light will indicate proper filtration, red light will indicate time to replace filters. Replace stage 1,2,4 filters at the slight loss of pressure or every 12 months is recommended. Replace stage 3 every 3 years or when indicated by red light. NSF Approved

Hydrotech Reverse Osmosis Systems include 3/8” outlet tubing to the faucet for higher flows, quick connect fittings and color-coded tubing for easy installation and servicing. The Hydrotech 1240 Pro Reverse Osmosis System can be neatly stored under the counter and provides you with clean, delicious Water Filtration right from its own dedicated tap.

4 Stage Pro System Includes:

4 Vessel System has:
   - Sediment pre-filter
   - Carbon block pre-filter
   - High quality reverse osmosis membrane
   - Carbon block post filter

Smartap® monitors your water with the
   push of a button

Manifold has integrated mounting bracket
   for easy installation

Color coded tubing for easy installation

3/8" tubing from RO to tank and faucet 
   for higher flow

New slim profile is great for tight spaces

Simple snap fit cover for ease of service

Utilizes quick connect fittings

9 gallons per day capacity

4-gallon storage tank

 Download Product Sheet.   Download Service Manual

Conditions for Use

Water Supply
Municipal or Private Chlorinated or Non-Chlorinated
Feed Water Pressure 242 – 690 kPa (35-100 psig)
Temperature 4° – 38°C (40° – 100°F)
pH 3.0 - 11.0
Maximum TDS Level 2000 mg/L
Turbidity <1.0 NTU
Maximum SDI <4.0
Hardness <350 mg/L (20 grains per gallon)
Iron <1.0 mg/L
Manganese <0.05 mg/L
Hydrogen Sulfide 0.00 mg/L
Residual Chlorine <2.0 mg/L
A pressure regulator is recommended for feed water pressures exceeding 80 psi. The performance of a reverse osmosis membrane is highly dependent upon pressure, temperature, and water chemistry. The actual volume of product water and rejection percentage will vary with differences from the test conditions upon which the membrane ratings are based. These drinking water systems are not intended to be used for the treatment of water that is microbiologically unsafe or of unknown quality. Storage tank capacity is dependent pressure.
4 Stage System Removes:

• Chlorine

• Bad Tastes Bad Odors

• Dirt & Rust

• Sediment

• Pesticides, VOCs


• Barium



• Copper

• Fluoride

• Lead

• Radium 226/228

• Selenium


• Turbidity


• Nitrates

• Nitrites

View a CHART of particle size removal range by filtration for thin-film composite membranes.
Hydrotech Reverse Osmosis 1240Pro Stages & Replacement Filters:
  • Stage 1 - (1st housing)  Uses 41400008 Dual Purpose Carbon / Sediment Filter. The Stage 1 filter should be changed every 3 to 6 months
  • Stage 2 - (2nd housing)  Uses 41400009 Carbon Block Filter. The Stage 3 filter should be changed every 6 to 12 months
  • Stage 3 - (3rd housing)  Choose Filter by GPD
    • 9 GPD  Uses 33001071 TFC Membrane. Should be changed every 2 years
    • 25 GPD  Uses 33001068 TFC Membrane. Should be changed every 2 years
    • 50 GPD  Uses 33001033 TFC Membrane. Should be changed every 2 years
    • 75 GPD  Uses 33001056 TFC Membrane. Should be changed every 2 years
  • Stage 4 - (4th housing)  Uses 41400009 Carbon Block Filter. The Stage 3 filter should be changed every 6 to 12 months
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