RO Membrane Replacement Service in Hyderabad
Scientific doorstep RO membrane replacement service across Greater Hyderabad. We install 100% genuine factory-sealed 75 GPD, 80 GPD, and 100 GPD thin-film composite (TFC) membranes from certified global leaders (USA Dow Filmtec, Vontron, Toray) specifically calibrated for Hyderabad's high borewell TDS and municipal tap water.
The RO membrane is the primary defense barrier filtering out dissolved toxic heavy metals (lead, arsenic, fluorides), hardness salts, and micro-contaminants at 0.0001 microns. When scaling or chlorine breakthrough ruins the membrane, water tastes salty or bitter, output TDS climbs above 200 PPM, and water trickles slowly while wastewater runs continuously. Replacing the membrane restores your machine to 95%+ factory purification efficiency.
Direct Doorstep Membrane Replacement Helpline: +91 8885556965 | Alternate Line: +91 8341256965
Instant Booking via WhatsApp: Chat with our Water Engineering Desk (60 to 90 min arrival)
Our 6-Step Scientific Membrane Replacement Protocol
1. Digital Salt Rejection Audit
We test feed water TDS and purified water TDS with calibrated digital meters to determine exact salt rejection efficiency before touching any component.
2. Booster Pump Pressure Test
We test booster pump operating pressure (80 to 120 PSI). Installing a new membrane behind an underperforming pump causes premature clogging and poor flow.
3. Vessel Descaling & Sanitization
We chemically descale the membrane vessel housing, flush out accumulated silt and biofilm, and replace silicone sealing O-rings to prevent raw water bypass.
4. Genuine TFC Membrane Fitting
We unseal a brand-new 75 GPD, 80 GPD, or 100 GPD factory-certified high-rejection polyamide membrane with verified security seals right in front of you.
5. Flow Restrictor (FR) Matching
We replace the capillary flow restrictor (FR 450 / FR 550) to balance drain flow against membrane backpressure, preventing premature membrane burnout.
6. Post-Carbon Taste & Mineral Balancing
We flush initial carbon fines, balance alkaline mineral cartridges, and calibrate output drinking water TDS into the optimal sweet 80–120 PPM zone.
Signs Your RO Membrane Has Failed
| Observed Symptom | Technical Root Cause | Corrective Action |
|---|---|---|
| Water Tastes Salty, Hard, or Bitter | Polyamide sheet breached or salt rejection fallen below 80% | Install genuine 75/80/100 GPD TFC membrane & replace pre-carbon |
| TDS Reading > 200–400 PPM in Pure Water | Membrane pore rupture or housing internal O-ring bypass leak | Digital rejection audit, replace vessel O-rings & install new membrane |
| Water Trickles to a Drip while Drain Runs Non-Stop | Heavy calcium carbonate and silica scale choking 0.0001 micron pores | Booster pump pressure test, descaling & new high-flow membrane |
| Zero Pure Water Output with Running Pump | Complete crystallization inside spiral layers or choked flow restrictor | Replace choked membrane and install new calibrated Flow Restrictor |
| Chlorine / Chemical Odor in Purified Water | Exhausted pre-carbon filter allowing chlorine to oxidize membrane layers | Dual replacement of pre-carbon cartridge and genuine TFC membrane |
Transparent Membrane Replacement Pricing
| Membrane Capacity | Estimated Price | Recommended Water Source & Inclusions |
|---|---|---|
| 75 GPD Genuine TFC Membrane | ₹1,400 – ₹1,800 | Ideal for municipal tap & mixed water up to 1,200 PPM TDS. Includes fitting & TDS test. |
| 80 GPD High-Rejection Membrane | ₹1,600 – ₹2,000 | Optimized for Hyderabad borewell water up to 1,800 PPM TDS with 92%+ salt rejection. |
| 100 GPD Heavy-Duty Borewell Membrane | ₹1,900 – ₹2,400 | Commercial-grade sheet for severe hardness (up to 2,500 PPM TDS) and fast tank recovery. |
| Membrane + Complete Filter Kit Renewal | ₹2,400 – ₹3,200 | Includes genuine membrane, spun sediment, pre-carbon, post-carbon, flow restrictor & flush. |
Commercial RO Plant Membrane Replacement (4040 & 8040)
In addition to residential 75/80/100 GPD cartridges, Rainbow Aquafresh Systems replaces commercial 4040 membranes (250 LPH to 1,000 LPH) and industrial 8040 membranes (2,000+ LPH) for institutions, hospitals, restaurants, and manufacturing plants across Hyderabad, Telangana, and Andhra Pradesh.
View Commercial RO Solutions →Frequently Asked Questions About RO Membrane Replacement
How do I know if my RO membrane is failing?
The most reliable indicator is water TDS: if your pure water TDS climbs above 150–200 PPM (or salt rejection falls below 85–90%), or water output reduces to a slow drip while reject water flows normally, the membrane is choked with scale or breached.
Should I replace the membrane or buy a new water purifier?
In almost all cases, replacing the membrane restores your water purifier to 95%+ factory purification efficiency at a fraction of the ₹12,000–₹20,000 cost of a new machine. Purifiers with intact bodies and good booster pumps work like brand new after membrane replacement.
How long does an RO membrane last in Hyderabad?
Membrane lifespan typically ranges between 18 and 36 months in Hyderabad. Longevity depends on your input water TDS (e.g. 400 PPM municipal water vs 2,000 PPM borewell water), daily consumption volume, and crucially, whether pre-filters are replaced every 3 to 6 months to prevent chlorine and silt fouling.
Which membrane capacity (GPD) should I choose?
Standard domestic units use 75 GPD (gallons per day) or 80 GPD membranes for input TDS up to 1,500 PPM. For heavy borewell water above 1,500 PPM or larger families, we install 100 GPD high-rejection membranes paired with an FR 550 flow restrictor.
Do you provide commercial RO membrane replacement?
Yes, we replace 4040 (250 LPH) and 8040 (1,000+ LPH) industrial membranes for commercial RO plants in schools, hospitals, hotels, and apartment complexes across Hyderabad.
Why is it recommended to replace pre-filters alongside the membrane?
Sediment and carbon pre-filters protect the delicate polyamide thin-film composite (TFC) membrane from dirt particles and chlorine. Installing a new membrane behind choked pre-filters drastically shortens its lifespan.
Related Water Purifier Services in Hyderabad:
Rainbow Aquafresh Systems — Hyderabad Customer Support
Helpline Phone: +91 8885556965
Alternate Support: +91 8341256965
WhatsApp Support: Chat with RO Expert
Customer Support Email: support@rainbowafs.com
Head Office Address: 16-10-27/109, 37-2RT, MCH Colony, Malakpet, Hyderabad, Telangana 500036, India
Service Hours: Monday to Sunday: 8:00 AM – 9:00 PM
Doorstep Response: Within 60 to 90 Minutes across Greater Hyderabad
Popular Service Areas: Dilsukhnagar, Kothapet, LB Nagar, Kukatpally, Miyapur, Gachibowli, Kondapur, Hitech City, Uppal, Secunderabad, Banjara Hills
Brands Serviced: Kent, Eureka Forbes Aquaguard, Pureit, Livpure, AO Smith, Havells, Blue Star & Commercial RO Plants