🔧 RO Purifier Leaking from Fittings/Faucet? Fix Connectors & Stop Drips
Problem Overview
Discovering water dripping from your RO purifier's push-fit connectors, filter housings, or faucet base is extremely common in Indian homes. These leaks typically occur at connection points due to loose fittings, worn O-rings, or housing cracks caused by water pressure fluctuations and hard water minerals. Even small drips waste 10-20 liters daily and can cause cabinet damage, mold growth, and electrical hazards. This comprehensive guide helps you identify the exact leak location, understand the root cause, and provides step-by-step DIY fixes with Indian market costs.
Safety First
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Turn off water supply immediately: Turn off the inlet valve to stop water flow before inspecting leak locations. This prevents flooding and water damage.
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Unplug electrical connections: If water is near electrical components (UV lamp, booster pump, TDS controller), unplug the purifier immediately to prevent electrical shock.
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Release system pressure: Open the RO faucet and drain the storage tank completely before working on any fittings to avoid high-pressure water spray.
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Dry the area completely: Use towels to dry all components and surrounding areas before troubleshooting. Wet hands + electrical components = shock hazard.
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Food-grade parts only: Use only food-grade silicone grease, O-rings, and tubing for drinking water system repairs. Never use automotive or industrial lubricants.
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Check for mold/water damage: Inspect cabinet, walls, and flooring for water damage or mold growth. Address these issues immediately to prevent health hazards.
🔍 Quick Leak Detection Checks ⏱️ 10-15 minutes
1 Dry Everything and Observe
Turn off inlet valve, dry all visible components and floor with towels. Turn inlet valve back on and watch carefully to identify exact leak source.
2 Check Push-Fit Connectors
Inspect all colored push-fit connectors (white, blue, yellow) where tubes connect. Look for water droplets, wetness, or mineral deposits indicating slow leaks.
3 Inspect Filter Housings
Check filter housing seams (where transparent housing meets the cap). Look for water dripping from housing bottom or O-ring seal areas.
4 Examine Faucet Base
Check where faucet connects to countertop or sink. Water pooling around base or dripping from underneath indicates faucet mounting nut or gasket leak.
5 Check Membrane Housing
Inspect the RO membrane housing (largest cylindrical container). Check both end caps and center seam for wetness or dripping.
6 Trace Drain Line
Follow the reject/drain tube to sink drain. Check connection point for leaks. Loose drain line connections can drip significant water amounts daily.
📊 Common Leak Locations in RO Systems
💡 Most Common Leak Points: Push-fit connectors (40%), filter housing O-rings (35%), faucet base (15%)
Hard water minerals, pressure fluctuations during power cuts, and aging O-rings are the primary causes in Indian homes.
| Leak Location | Frequency | Common Cause | DIY Difficulty | Fix Cost |
|---|---|---|---|---|
| Push-Fit Connectors | 40% | Loose tubes, worn seals | Easy | ₹50-₹200 |
| Filter Housing O-Rings | 35% | Worn/dry O-rings, over-tightening | Easy | ₹20-₹100 |
| Faucet Base/Mounting | 15% | Loose mounting nut, gasket failure | Medium | ₹100-₹500 |
| Membrane Housing | 5% | Cracked housing, end cap leak | Hard | ₹800-₹2,500 |
| Drain Line Connection | 3% | Loose drain clamp, tube slip | Easy | ₹50-₹150 |
| Threaded Fittings | 2% | Missing Teflon tape, cross-threading | Medium | ₹100-₹300 |
Factors Affecting Leak Frequency in India:
- • Water pressure fluctuations: Frequent pressure surges during municipal supply changes stress fittings
- • Hard water minerals: Calcium deposits on O-rings and threads cause seal failures
- • Power cuts: Sudden pump shutdowns create pressure spikes that loosen fittings
- • Temperature variations: Summer heat expansion and winter contraction affects plastic fittings
- • Installation quality: Over-tightened housings crack, under-tightened fittings drip
💡 Common Causes → Solutions
Problem
Loose Push-Fit Connector (Most Common - 40%)
Tube not fully inserted into connector or connector seal worn out. Water drips from colored connector body. Common after moving purifier or filter changes.
Solution
Reconnect Tube Properly
Easy DIY fix. Turn off water, press collet ring, pull tube out completely, cut 1cm off tube end if damaged, push tube firmly until it won't go further (15-20mm deep). Free or ₹50-₹150 for replacement tubes.
Problem
Worn Filter Housing O-Ring (35%)
Black rubber O-ring dried out, cracked, or flattened. Water drips from filter housing seam where cap meets transparent body. Worse after filter changes.
Solution
Replace O-Ring or Apply Silicone Grease
DIY friendly. Remove housing, replace O-ring (₹20-₹50 each) or clean and apply food-grade silicone grease to existing O-ring. Retighten housing hand-tight only.
Problem
Faucet Base Gasket Leak (15%)
Water pooling around faucet base on countertop or dripping underneath. Mounting nut loose or gasket deteriorated. Common with frequent faucet handle movement.
Solution
Tighten Mounting Nut or Replace Gasket
Medium difficulty. Access under-sink area, tighten mounting nut with basin wrench. If leak continues, remove faucet and replace gasket (₹100-₹300). Sometimes faucet replacement needed (₹300-₹800).
Problem
Over-Tightened Filter Housing Crack
Transparent filter housing cracked at threads or body from excessive tightening with wrench. Small hairline cracks allow slow dripping. Common after aggressive filter changes.
Solution
Temporary Seal with Tape, Then Replace
Emergency: Wrap cracked area with Teflon tape tightly. Permanent solution: Replace filter housing (₹200-₹500 per housing). Always tighten hand-tight only, never use excessive force.
Problem
Membrane Housing End Cap Leak
Large cylindrical membrane housing leaking from end cap seals. High-pressure component - leaks can be significant. Often due to worn end cap O-rings or loose caps.
Solution
Professional Membrane Housing Service
Requires professional help due to membrane removal/reinstallation. Service cost: ₹300-₹800 including O-ring replacement. Housing replacement: ₹800-₹2,500 if cracked.
Problem
Damaged or Cut Tubing
Tube developed cracks, pinch marks, or cuts from sharp edges, cabinet hinges, or rodent damage. Slow dripping or spraying when pressurized.
Solution
Replace Damaged Tube Section
Easy DIY. Cut out damaged section, use coupling connector (₹30-₹50) to join if possible, or replace entire tube. Food-grade 1/4" tubing: ₹30-₹50 per meter. Always use RO-grade tubes.
Problem
Drain Line Connection Loose
Reject water drain tube connection to sink drain pipe loose or disconnected. Can leak 20-30 liters daily without being noticed. Creates musty smell under sink.
Solution
Reconnect Drain Line Securely
Simple DIY fix. Ensure drain tube is inserted into drain saddle or air gap properly. Tighten hose clamp (₹20-₹40). Use drain saddle valve with clamp for permanent secure connection.
Problem
Threaded Fitting Leak (Inlet Valve, Booster Pump)
Metal threaded connections at inlet valve or booster pump connections dripping. Missing or damaged Teflon tape, cross-threaded fitting, or loose connection.
Solution
Re-seal with Teflon Tape
Medium difficulty. Turn off water, unscrew fitting, clean threads, wrap 4-6 layers of Teflon tape clockwise, reassemble. Tighten snug but don't over-torque. Cost: ₹20-₹50 for Teflon tape.
Problem
Auto Shut-Off Valve (ASO) Leak
Small cylindrical valve that stops water flow when tank is full develops leak from seal failure. Usually drips from valve body seam or tube connections.
Solution
Replace Auto Shut-Off Valve
Professional replacement recommended. Cost: ₹200-₹600 for valve + ₹200-₹400 labor. Important component - incorrect installation can cause tank overfill or no water production.
🛠️ DIY Fixes You Can Try Now
Identify and Mark Leak Location
How to do it: Turn off inlet valve. Dry all visible components, floor, and cabinet thoroughly with towels. Turn inlet valve back on. Observe carefully for 5-10 minutes to identify exact leak source. Use phone flashlight to check dark areas under purifier.
What to mark: Once leak source identified, mark it with masking tape or take photo for reference. Check if leak is constant drip or only when system is producing water (may need to run faucet to trigger).
Fix Loose Push-Fit Connector Leaks
What you need: No tools required for simple reconnection. For damaged tubes: sharp knife/tube cutter, replacement tubing if needed.
Step-by-step fix:
- 1. Turn off inlet water supply valve completely
- 2. Open RO faucet to release pressure in system
- 3. Locate the leaking push-fit connector (where tube meets colored fitting)
- 4. Press down the colored collet ring firmly with finger
- 5. While holding collet down, pull tube straight out (don't twist)
- 6. Inspect tube end - if cut is uneven or damaged, cut 1cm off with sharp knife to get clean straight end
- 7. Push tube firmly into connector until you feel resistance (tube should go 15-20mm deep)
- 8. Try to pull tube out - it should be firmly locked and not pull free
- 9. Turn on inlet valve slowly and check for leaks
- 10. If still leaking, connector internal seal may be worn - replace connector (₹50-₹100 each)
Replace Filter Housing O-Rings
What you need: Filter wrench (usually comes with purifier), bucket, replacement O-rings (₹20-₹50 each), food-grade silicone grease (₹50-₹100), clean cloth.
Step-by-step fix:
- 1. Turn off inlet water supply and open faucet to drain tank
- 2. Place bucket under filter housing to catch water spillage
- 3. Use filter wrench to unscrew housing counterclockwise (hand-tight may be enough)
- 4. Remove filter and pour out remaining water
- 5. Locate the black rubber O-ring in the groove on housing cap or body
- 6. Remove O-ring carefully - inspect for cracks, flattening, hardness
- 7. Clean the O-ring groove thoroughly with cloth - remove all mineral deposits
- 8. Option A: If O-ring looks okay, clean it and apply thin layer of food-grade silicone grease, reinstall
- 9. Option B: If O-ring is damaged, replace with new O-ring (note size before removing)
- 10. Place filter back in housing
- 11. Apply thin layer of silicone grease to O-ring before closing
- 12. Screw housing back on - tighten HAND-TIGHT only, do not use excessive force
- 13. Turn on water supply and check for leaks - if leaking, slightly tighten more
Tighten Faucet Base Mounting
What you need: Basin wrench or adjustable wrench, flashlight, new faucet gasket if needed (₹100-₹200).
Step-by-step fix:
- 1. Turn off inlet valve and open faucet to release pressure
- 2. Access under-sink area (may need to empty cabinet and remove items)
- 3. Use flashlight to locate faucet mounting nut under countertop/sink
- 4. Feel if mounting nut is loose - try tightening clockwise with basin wrench
- 5. Tighten firmly but don't over-torque (can crack countertop or damage faucet)
- 6. Turn on water and check if leak stops
- 7. If still leaking after tightening, gasket is likely failed - faucet needs removal
- 8. To replace gasket: Disconnect tubes from faucet, remove mounting nut, lift faucet out
- 9. Replace rubber/foam gasket on faucet base, reinstall faucet
- 10. Reconnect tubes and tighten mounting nut
Replace Damaged Tubing Section
What you need: Food-grade 1/4" RO tubing (₹30-₹50 per meter), sharp knife or tube cutter, straight coupling connectors if joining tubes (₹30-₹50 each).
Step-by-step fix:
- 1. Turn off water supply and release system pressure
- 2. Identify the damaged tube section (look for cracks, cuts, pinch marks)
- 3. Press collet rings at both ends and remove damaged tube section completely
- 4. Measure length needed for replacement (add 5cm extra for connections)
- 5. Cut new tube to length with sharp knife at perfect 90-degree angle
- 6. If replacing entire run, push new tube into both connectors firmly
- 7. If splicing (joining): Cut out damaged section, use straight coupling connector to join new piece to existing tubes
- 8. Ensure all connections are pushed in fully (15-20mm deep)
- 9. Turn on water and check all connections for leaks
Secure Drain Line Connection
What you need: Hose clamp (₹20-₹40), screwdriver, drain saddle valve if installing new connection (₹100-₹200).
Step-by-step fix:
- 1. Locate where reject water drain tube connects to sink drain pipe
- 2. Check if tube is fully inserted into drain connection point
- 3. If loose, push tube firmly into drain saddle valve or drain pipe opening
- 4. Install or tighten hose clamp around tube at connection point
- 5. Use screwdriver to tighten clamp screw securely
- 6. If no proper drain saddle exists, install one: Drill small hole in drain pipe above trap, insert saddle valve, tighten screws, connect RO drain tube with clamp
- 7. Turn on RO system and let it produce water to check drain flow
- 8. Verify no dripping from drain connection
Emergency Temporary Leak Stop (While Waiting for Parts/Service)
What you need: Teflon tape (₹20-₹40), plastic wrap, towels, bucket.
Temporary measures ONLY:
- • For housing crack: Wrap cracked area tightly with multiple layers of Teflon tape - this can hold for few days
- • For connector leak: Wrap Teflon tape around tube where it enters connector for temporary seal
- • For small thread leak: Apply Teflon tape to threads as temporary measure
- • Place bucket or tray under leak to collect dripping water
- • Turn off inlet valve when not using purifier to stop leak temporarily
- • Keep system turned off if leak is significant until proper repair
📞 When to Call a Professional
🔧 Professional Service Required
- • Membrane Housing Leak
Cost: ₹300-₹800 for O-ring service, ₹800-₹2,500 for housing replacement
Time: 45-60 minutes
Reason: Membrane removal requires expertise to avoid contamination - • Multiple Simultaneous Leaks
Cost: ₹500-₹1,500 for comprehensive leak repair
Time: 1-2 hours
Reason: May indicate system-wide pressure or installation issues - • Auto Shut-Off Valve Replacement
Cost: ₹400-₹1,000 (valve + labor)
Time: 30-45 minutes
Reason: Critical component requiring proper calibration - • Booster Pump Connection Leaks
Cost: ₹300-₹800
Time: 30-60 minutes
Reason: Involves electrical components and high pressure
⚠️ Don't DIY If You Notice
- • Electrical component wetness
Water near UV lamp, SMPS, or controller - electrical shock hazard - • Housing cracks with water spray
High-pressure leaks can cause injuries and extensive water damage - • Internal system component leaks
Leaks from inside sealed units like UV chamber or TDS controller - • Leak continues after DIY attempts
May indicate deeper issues requiring diagnostic equipment - • Under-warranty purifier
DIY repairs may void warranty - call brand service center - • Uncertain about water safety
If leak involved non-food-grade contact, professional sanitization needed
💰 Professional Service Cost Breakdown (India)
Basic Leak Repair
₹300-₹500
O-ring replacement
Connector tightening
Minor housing fixes
Service call charge included
Component Replacement
₹600-₹1,500
Filter housing replacement
Faucet replacement
Multiple O-ring changes
Tubing replacement
Major Repairs
₹1,500-₹3,500
Membrane housing replacement
Complete system resealing
Booster pump service
Multiple component issues
🇮🇳 India-Specific Leak Causes & Prevention
💡 Why RO leaks are common in India: Pressure fluctuations, hard water minerals, and temperature extremes
Indian water supply conditions create unique challenges for RO system fittings and seals compared to stable municipal supplies in other countries.
| Regional Factor | Effect on Fittings | Leak Risk | Prevention Measure |
|---|---|---|---|
| Power Cuts & Voltage Fluctuation | Sudden pump shutdown creates pressure spikes that stress push-fit connectors | Medium | Use voltage stabilizer or inverter for continuous operation |
| Hard Water (TDS >500 ppm) | Calcium deposits on O-rings reduce flexibility, cause seal failure | High | Clean O-rings every 6 months, apply silicone grease |
| Summer Heat (40°C+) | Plastic fittings expand, O-rings dry out and crack faster | High | Keep purifier in cool area, avoid direct sunlight exposure |
| Monsoon Sediment Surge | Sediment particles damage connector seals, cause micro-leaks | Medium | Replace sediment filter more frequently during monsoon |
| Municipal Pressure Variation | Daily pressure changes (high at night, low morning) stress fittings | Medium-High | Install pressure regulator at inlet if pressure >60 PSI |
| Coastal High Humidity | Corrosion of metal threaded fittings, faster O-ring aging | Low-Medium | Use stainless steel fittings, apply anti-corrosion coating |
Brand-Specific Leak Patterns (Indian Market):
- • Kent RO: Common push-fit connector leaks in older models (pre-2018). Use Kent genuine spare connectors (₹80-₹120 each) for best fit.
- • Aquaguard: Filter housing O-rings tend to harden in hard water areas. Replace O-rings every 12 months (₹30-₹50 per housing).
- • Pureit: Faucet base leaks common due to plastic mounting design. Upgrade to metal mounting faucet if recurring issue (₹500-₹800).
- • Livpure: Membrane housing end cap leaks reported in high TDS areas. Professional service recommended for membrane housing issues.
- • HUL Pureit Copper+: Copper cartridge housing leaks require authorized service - contains proprietary components.
🛡️ Preventive Care & Water Damage Prevention
Every 6 Months
Visual leak inspection of all connections. Tighten any slightly loose fittings. Clean and lubricate O-rings with food-grade silicone grease. Check for mineral deposits on connectors.
During Filter Changes
Inspect O-rings each time you change filters. Replace cracked or hardened O-rings immediately (₹20-₹50 each). Never reuse damaged O-rings. Apply silicone grease before reassembly.
Annual Service
Professional inspection of all fittings, housings, and connections. Complete system pressure test to identify weak points. Replace all O-rings as preventive measure. Cost: ₹500-₹1,200.
Best Practices to Prevent Leaks:
- ✓ Never over-tighten filter housings - hand-tight plus 1/4 turn maximum
- ✓ Use only food-grade silicone grease on O-rings, never petroleum jelly
- ✓ Replace O-rings every 12-18 months as preventive maintenance
- ✓ Install water pressure regulator if inlet pressure >60 PSI
- ✓ Keep spare O-rings and push-fit connectors at home (₹200 kit)
- ✓ Secure purifier firmly to wall to prevent movement that stresses fittings
- ✓ Avoid moving purifier unnecessarily - causes connector loosening
- ✓ Protect tubing from sharp cabinet edges with foam padding
- ✓ During filter changes, support housing weight to avoid cross-threading
- ✓ Mark tube insertion depth on connectors to verify proper connection
Water Damage Prevention Measures:
- ✓ Install leak detection tray (₹200-₹500) under RO system to catch drips
- ✓ Place water-resistant mat under purifier in cabinet
- ✓ Use cabinet liner to protect wood from moisture
- ✓ Install moisture alarm sensor (₹300-₹800) for early leak detection
- ✓ Check under-sink area weekly for wetness or mold
- ✓ Keep cabinet well-ventilated to prevent mold growth
- ✓ Address small drips immediately - prevent 1000s of liters waste yearly
- ✓ Know location of main water shut-off valve for emergencies
❓ Frequently Asked Questions
Q: How do I know if a slow drip is actually a problem or just normal condensation?
Answer: RO systems should NEVER have condensation dripping. Any water dripping is a leak. Test: Dry the area completely, wait 30 minutes with system running, check again. If wet, it's a leak. Calculate leak severity: Place measuring cup under drip for 1 hour. If >50ml collected, that's 1.2 liters per day (440 liters yearly). Even slow drips waste significant water and cause cabinet damage over time. Common misconception: "It's just a few drops" - but 1 drop per second = 15-20 liters per day. Address all drips immediately regardless of flow rate.
Q: My push-fit connector keeps leaking even after I reconnected it properly. What's wrong?
Answer: Recurring push-fit leaks after proper reconnection indicate: (1) Worn internal O-ring in connector - the small rubber seal inside the connector has failed, replace entire connector (₹50-₹100); (2) Hardened tube - old tubes become rigid and don't seal properly, replace tube section; (3) Damaged tube end - ensure cut is perfectly straight at 90 degrees with no burrs; (4) Wrong tube size - verify you're using correct 1/4" OD tubing, not 3/8"; (5) Connector loose in housing - some connectors screw into housings and may have loose threads requiring replacement. Pro solution: Replace both connector and tube section (total ₹100-₹200) for permanent fix rather than troubleshooting repeatedly.
Q: Filter housing leaks only during purification (when tank is filling), not when idle. Why?
Answer: This is a pressure-dependent leak - very common and diagnostic: (1) During purification, booster pump creates 60-80 PSI pressure inside housings; (2) When idle, pressure drops to tank pressure (6-8 PSI); (3) High pressure exposes weak seal points that low pressure doesn't. Causes: Slightly worn O-ring that seals at low pressure but fails at high pressure; Housing slightly loose - hand-tighten plus 1/4 turn; Hairline crack in housing threads visible only under pressure. Solution: Replace O-ring and apply food-grade silicone grease - this fixes 80% of pressure-dependent leaks. If leak persists after new O-ring, housing threads are damaged and housing needs replacement (₹200-₹500).
Q: Can I use regular plumber's Teflon tape and silicone for RO system repairs?
Answer: Teflon tape: YES - Standard white plumber's Teflon/PTFE tape is safe for drinking water and works for threaded connections. Use 4-6 layers wrapped clockwise. Silicone grease: NO - Never use automotive silicone or general-purpose grease. Must use food-grade/NSF-certified silicone grease specifically marked safe for drinking water contact (₹50-₹100 for 50g tube). Non-food-grade silicone contains petroleum additives harmful for consumption. Petroleum jelly: NEVER - Not food-safe, attracts dirt, damages rubber O-rings over time. Where to buy food-grade silicone: RO spare parts shops, Amazon (search "food grade silicone grease"), or ask your RO service technician. Small tube lasts for years since you only need thin coating on O-rings.
Q: Is it safe to drink water from RO system that had a leak but I fixed it?
Answer: Depends on leak location and repair method: SAFE after flushing: External leaks (push-fit connectors, housing O-rings, faucet base) fixed with food-grade parts - flush 2 full tanks (20 liters) to waste before drinking. REQUIRES SANITIZATION: If leak allowed outside water to enter system, or if you opened filter housings and worked on filters - professional sanitization needed (UV disinfection or chemical sanitization). NOT SAFE without pro service: Leaks in membrane housing or UV chamber that may have contaminated purified water path. Post-repair checklist: (1) Verify repair used only food-grade parts; (2) Flush system thoroughly; (3) Check output TDS - should match pre-leak levels; (4) If uncertain or leak was in critical area, get professional water quality test (₹200-₹500) for peace of mind.
Q: How much does it cost to fix all common leak points in one professional service visit?
Answer: Preventive complete seal replacement service costs: ₹800-₹1,500 depending on system complexity. What's included: Replace all filter housing O-rings (3-4 housings × ₹30-₹50 = ₹150-₹200), Check and tighten all push-fit connectors, Replace worn connectors (₹50-₹100 each), Apply food-grade silicone to all O-rings, Inspect and re-seal membrane housing if accessible, Tighten faucet mounting, Check all threaded connections, Pressure test entire system, Service call charge ₹200-₹400. Worth it? Yes, if your RO is >3 years old - preventive seal replacement costs less than repairing water damage from undetected leaks. DIY alternative: Buy complete O-ring kit (₹200-₹400) and do it yourself - saves ₹400-₹800 in labor but takes 1-2 hours and requires confidence working with water fittings.
Q: My RO is under warranty. Will DIY leak repairs void the warranty?
Answer: Generally YES - DIY repairs can void warranty, but it depends on what you do: Usually SAFE (unlikely to void warranty): Tightening loose push-fit connectors, Reconnecting tubes properly, Cleaning and reapplying silicone to O-rings without removing filters. MAY VOID WARRANTY: Replacing O-rings or housings yourself, Opening membrane housing, Replacing any internal components, Using non-genuine spare parts. WILL VOID WARRANTY: Drilling holes or modifying system, Installing unauthorized components, Bypassing safety features. Best approach for warranty systems: Call brand service center for leaks (Kent: 1860-123-1212, Aquaguard: 1860-210-1000). Free repair if under warranty. Document leak with photos before calling. After warranty expires: DIY repairs are fine and cost-effective.
Q: Where can I buy genuine O-rings and connectors for my RO system?
Answer: Offline sources: (1) Brand service centers - Kent, Aquaguard, Pureit centers sell genuine parts (most expensive but guaranteed compatible); (2) Local RO spare parts shops - Found near water purifier service centers, offer generic food-grade parts (cheaper, usually compatible); (3) Plumbing supply stores - Stock standard O-rings and push-fit connectors. Online sources: (1) Amazon India - Search "RO O-ring kit" or "RO push-fit connector" (₹200-₹500 for complete kit); (2) IndiaMART - Wholesale prices for multiple sets; (3) Brand websites - Order genuine parts online. What to buy: Complete O-ring kit with multiple sizes (₹200-₹400), Set of 5-10 push-fit connectors (₹200-₹300), Food-grade 1/4" tubing (₹30-₹50 per meter), Food-grade silicone grease 50g (₹50-₹100). Verification: Ensure parts are marked "food safe" or "NSF certified" - never use automotive or industrial parts for drinking water.
⚠️ Disclaimer: This guide is for informational purposes only. Always follow manufacturer's instructions for your specific RO water purifier model. Use only food-grade, NSF-certified parts for any drinking water system repairs. Turn off water supply and release pressure before working on any fittings. If uncertain about repair procedures or water safety, consult authorized service technicians. Improper repairs or use of non-food-grade parts can contaminate drinking water. For under-warranty systems, contact brand service center to avoid voiding warranty. The author and website are not responsible for any water damage, contamination, or health issues arising from DIY repairs.
Important Safety Reminder
If you're not comfortable with any step, or if the problem persists after trying these solutions, please contact a qualified technician. Safety should always be your first priority when dealing with electrical appliances.
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