Plug hole fitting for boats, caravans, motorhomes etc... Stainless steel plug fitting with nylon m...Plug hole fitting for boats, caravans, motorhomes etc... Stainless steel plug fitting with nylon main body. 1-1/4" Size to fit 1-1/2" (38mm) diameter hole in base of sink. Includes rubber plug with chain attachment. High flow, suitable for 1-1/4" (32mm) internal diameter hose. A lot faster draining compared to 3/4" versions. 62mm diameter stainless steel plate. 60mm Total Length. Simple, single screw fitment.
This guide is for owners of boats, caravans, and motorhomes needing a reliable sink drain solution. The AB Tools AQ021 offers significantly faster draining compared to smaller alternatives and features durable stainless steel and nylon construction. A potential consideration is that it is designed for a specific hole size and hose diameter, requiring verification before purchase.
All features
Model Part Number
AQ021
Brand
AB Tools
Extended Product Information
FAQs
What size hole does this fitting require?
This fitting is designed for a 1-1/2" (38mm) diameter hole at the base of the sink.
What size hose can I connect to this drain fitting?
It is suitable for hoses with an internal diameter of 1-1/4" (32mm) for high-flow drainage.
Is the plug included?
Yes, the fitting comes complete with a rubber plug and a chain attachment.
How is this fitting installed?
Installation is simple and requires only a single screw to secure the fitting through the sink hole.
Can this fitting be used with standard household sinks?
It is primarily designed for specialized applications like boats, caravans, and motorhomes, which typically have smaller plumbing systems and specific hole sizes.
How does this compare to smaller drain fittings?
This fitting offers significantly faster draining due to its larger 1-1/4" (32mm) hose compatibility compared to typically smaller 3/4" versions.
What materials is the fitting made from?
The fitting features a 62mm diameter stainless steel plate and a nylon main body for durability.
Troubleshooting
Fitting is loose after installation.
Ensure the single screw is fully tightened. Check that the sink hole is precisely 1-1/2" (38mm) to allow for a secure fit.
Water is not draining quickly.
Confirm the connected hose is 1-1/4" (32mm) internal diameter and not kinked or blocked. Check the rubber plug is fully removed.
Rubber plug does not seal properly.
Inspect the rubber plug for damage or debris. Clean the seating area within the fitting. If damaged, the plug may need replacement.
Stainless steel plate shows signs of corrosion.
While stainless steel is resistant, prolonged exposure to harsh chemicals or saltwater without rinsing can cause surface discoloration. Clean with a non-abrasive cleaner and rinse thoroughly.
Pros and Cons
Pros
Significantly faster drainage performance.
Durable combination of stainless steel and nylon materials.
Includes all necessary components like plug and chain.
Simple and quick single-screw installation.
Suitable for common marine and RV applications.
Cons
Requires a specific 1-1/2" (38mm) hole diameter.
Designed for a 1-1/4" (32mm) internal diameter hose, may not fit all plumbing.
Plug and chain may require periodic cleaning to maintain seal.
Setup, Compatibility & Care
Setup:
Ensure the sink hole diameter is exactly 1-1/2" (38mm).
Verify that your existing or new drain hose has an internal diameter of 1-1/4" (32mm).
Insert the main body of the fitting through the sink hole from the top.
Secure the fitting from underneath using the single screw.
Attach the 1-1/4" hose to the designated outlet.
Compatibility:
Sink Hole Size: Designed for 1-1/2" (38mm) diameter holes.
Hose Size: Suitable for 1-1/4" (32mm) internal diameter hoses.
Applications: Ideal for sinks in boats, caravans, motorhomes, and other recreational vehicles.
Care:
Clean the stainless steel plate and nylon body with mild soap and water.
Periodically check the rubber plug for wear and ensure a good seal.
Rinse the plug and chain after use, especially in saltwater environments, to prevent buildup.