Central air conditioner drain pipes easily get clogged with sludge, algae and debris, which leads to water overflow and damaged ceilings or walls. This Air Conditioner Drain Line Cleaner Adapter is specially designed to unclog condensate drain lines. It fits 4 common inner diameter pipe sizes, connects quickly to flushing tools to deliver forced drainage and self-cleaning effects. Lightweight and portable, it is an efficient auxiliary fitting for HVAC maintenance and household central AC pipe unclogging.

Features
- Multi-size Fitting Rings: Equipped with 4 adapter rings to fit drain lines of 1.25", 1.50", 1-7/8", 2.50" inner diameters, compatible with most central air conditioner drain outlets.

- Standard 1-inch Connection Port: The elbow opening only fits 1-inch pipe openings for tight leak-proof sealing; no air or water leakage when connected to flushing gear to ensure consistent unclogging performance.

- Dual Functions of Forced Drainage & Self-Cleaning: Connect with flushing tools to generate high-pressure water flow that blasts away sludge and algae buildup on pipe walls for automatic pipe flushing and thorough clog removal.

- Integrated 90° Bent Transparent Tube: The angled clear guide tube lets you visually track water flow and dirt discharge, enabling flexible operation in tight ceiling voids and equipment gaps.

- Lightweight Durable Hard Plastic: Weighs only 94g, constructed with anti-aging rigid plastic that resists moisture, cracking and deformation, enduring long-term contact with dirty drain water.

Specification
- Compatible Pipe Inner Diameter: 1.25", 1.50", 1-7/8", 2.50"
- Connection Port Inner Diameter: 1"
- Main Material: Moisture-resistant rigid plastic
- Single Unit Net Weight: 94g
- Size: 21 * 5.7cm

Package
- 1 × Air Conditioner Cleaning Pipe
How to Use
- Match Pipe Size: Measure the inner diameter of your central AC drain pipe, select the matching adapter ring and lock it into the bottom groove of the main fitting.
- Mount on Drain Outlet: Screw the assembled adapter firmly onto the standard 1-inch condensate drain opening and confirm a fully sealed fit without gaps.
- Connect Flushing Gear: Attach the elbow port to your high-pressure flushing tool and activate the equipment to deliver pressurized water flow.
- Unclog & Clean: Watch dirty water, sludge and algae discharge through the transparent guide tube, keep flushing until the pipe runs clear with no debris.
- Disassemble & Store: Disconnect the flushing tool after cleaning, rinse the whole adapter and air-dry completely before categorized storage for future maintenance.
Note
- This adapter only fits standard 1-inch drain openings; pipes with non-1-inch openings cannot form a tight seal, do not force installation.
- Clear large surface debris from the drain outlet before mounting to prevent hard foreign objects from scratching the sealing rings and causing leaks.
- Do not block the pipe outlet with bare hands during high-pressure flushing, pressurized wastewater may splash and stain clothing.
- Fully drain residual water inside the tube and air-dry before storage; standing water left inside will grow algae and produce foul odors.
- Designed exclusively for central air conditioner condensate drain lines; do not use for tap water, gas pipes or sewage drain lines.