Specification Checklist · Outlet interface
Bathroom faucet aerator sizes: verify the connection
An aerator can look correct and still have the wrong thread or flow specification. Put the interface measurements and proposed part identification in writing before requesting replacements or bulk faucet sets.
Send Material Requirements
Measure the interface, then ask for confirmation
- Thread direction and location
- State male or female on the part being requested; distinguish the faucet outlet from the removable housing.
- Diameter and pitch
- Report measured thread diameter and pitch in mm, or the applicable inch thread designation if documented. Do not convert an approximate caliper reading into a confirmed standard thread.
- Retention and tools
- Identify external housing versus concealed insert, removal key profile and seal seating position. Include a supplier drawing when the connection remains uncertain.
Request nominal flow in gpm or L/min together with the stated pressure in psi or bar and the proposed insert identifier. A flow number without its test basis is not a complete comparison. Ask whether the proposed outlet is aerated, laminar or another stream type and which maintenance instructions apply.
Site water conditions, contamination and cleaning products can change maintenance requirements. A compatible thread does not by itself establish hydraulic performance, potable-water suitability or compliance at the installation location.
Obtain a sample of the proposed insert, housing and seal where applicable. Have a qualified person compare it with the intended faucet, document hand-fit observations without forcing the thread, and review leakage and stream behavior under the stated operating conditions. Record the model and part references used for that review.
Request separate prices for complete faucet sets, replacement aerators, service keys and spare seals. Compare packaging, minimum quantities and freight on the same basis; a small replacement part can still have a different ordering or service scope.
Two comparison decisions buyers often leave open
Compatibility
Budget & maintenance
The procurement brief connects these checks with a broader RFQ. Public product-family references identify questions to ask; they do not verify the supplier or certify an offered part.
Send the outlet details you can verify
Describe the unresolved connection and state whether you need replacement parts or complete faucet sets.
- Photograph and measured interface description.
- Flow and pressure basis, if known.
- Quantity, destination and requested timing.
- Optional budget and supplier preference.