Preventing RO Plant Installation Problems & When to Call a Pro

Quick answer (read this first)

• Assess water pressure and quality pre-installation to avoid performance issues.
• Choose a suitable location with adequate space, near water, drain, and power.
• Secure all connections with Teflon tape to prevent leaks.
• Perform the initial system flush as per manufacturer guidelines.
• Troubleshoot low water pressure or continuous drainage by checking connections and filters.

Safety first

• Turn off the main water supply before any plumbing work to prevent flooding.
• Disconnect the RO unit’s power before any electrical inspection or maintenance.
• Wear safety glasses to protect your eyes from water splashes or debris.
• Exercise caution with sharp tools like pipe cutters or utility knives.
• Avoid touching the RO membrane or filters directly to prevent contamination and maintain water purity.

Tools you may need

• Adjustable wrench or spanner
• Pipe cutter or utility knife
• Teflon tape
• Bucket or tray for spills
• Measuring tape
• Screwdriver set

Step-by-step

Step 1

Select Ideal Location: Choose a spot for your RO plant that is close to a cold water supply, a drain line, and an electrical outlet. Ensure ample space for future maintenance and filter replacements.

Step 2

Shut Off Water Supply: Locate and turn off the main water supply valve to your house. Open a nearby cold water faucet to drain existing water from the pipes, relieving pressure.

Step 3

Install Feed Water Adapter: Attach the provided feed water adapter (T-valve) to the cold water supply line. Use Teflon tape on all threaded connections to ensure a watertight, leak-free seal.

Step 4

Mount the RO Unit: Securely mount the RO system. This typically involves placing it under the sink or wall-mounting it, following the manufacturer’s specific instructions. Confirm it is level and stable.

Step 5

Install RO Faucet (If Applicable): If installing a dedicated RO faucet, choose a suitable location on your sink or countertop. Drill a hole if required and secure the faucet, connecting its tubing to the RO unit.

Step 6

Connect Water Lines: Carefully connect all water lines (inlet, outlet, drain, storage tank) to the RO unit, faucet, and drain saddle according to your RO system’s manual. Double-check each connection for tightness.

Step 7

Attach Drain Saddle: Secure the drain saddle to the wastewater drain pipe (usually under the sink). Drill a clean hole in the drain pipe at the saddle location before attaching.

Step 8

Turn On Water & Check for Leaks: Slowly reopen the main water supply. Observe all new connections closely for any signs of leaks. Tighten connections as needed.

Step 9

Initial System Flush: Plug in the RO unit. Allow the system to perform its initial flush, as specified by the manufacturer. This typically involves letting the storage tank fill and drain several times to remove carbon fines and air.

Step 10

Test Water Flow: After flushing, test the RO faucet for proper water flow and ensure the storage tank fills correctly.

Common mistakes

• Incorrectly connecting water lines (inlet, outlet, drain), leading to leaks, inefficient filtration, or no water production.
• Skipping or inadequately performing the initial system flush, which leaves manufacturing impurities and can affect water taste and purity.
• Failing to check incoming water pressure, which can result in slow production or poor RO membrane performance if pressure is too low.
• Locating the RO unit in extreme conditions (e.g., direct sunlight, freezing temperatures) that can damage components or compromise water quality.
• Not using adequate Teflon tape or overtightening connections, both leading to persistent leaks or stripped threads.
• Improperly installing the drain saddle, causing backflow or ineffective wastewater disposal.

When to call a professional

• If persistent leaks occur even after tightening connections and applying Teflon tape.
• If the RO plant continuously drains water, or the storage tank fails to fill, indicating a pressure or valve issue.
• When RO water flow from the faucet is extremely low, despite adequate household water pressure and a full storage tank.
• If the unit produces unusual noises, odors, or fails to produce purified water after following basic troubleshooting steps.
• If you are uncomfortable with any plumbing or electrical aspects of the installation process.
• For complex diagnostic issues or if you suspect a major component failure (e.g., faulty membrane, pump, or auto shut-off valve).