MD Wall Inlet for A/C Cap

Protects indoor lineset while providing a clean, finished look. Screw-free PVC design integrates seamlessly with indoor walls.

The Slimduct MD Wall Inlet with A/C Cap provides a clean, professional finish while safeguarding the refrigerant valve and protecting the lineset at the top of residential HVAC installations. Made from durable PVC, its screw-free design ensures a seamless fit with interior walls, enhancing both protection and aesthetics.

Ideal for indoor applications, this component delivers long-lasting performance and a refined appearance as part of the Slimduct MD line set cover system.

Screw cap is included to cover screw head

Code No.Item No.ABCDEFGHIPcs/Pkg
C61115MWM-75-S-W3-1/4″2-3/4″5″6-1/8″2-7/8″1-1/8″4-1/8″3″5-1/8″20
C61125MWM-75-L-W3-1/4″2-3/4″5-7/8″7″2-7/8″1-1/8″4-1/2″3″6″20
C61155MWM-853-5/8″2-7/8″5-7/8″7″3″1-1/8″4-3/4″3-3/8″6″10

Item No.Applicable A/C CapApplicable A/C Cap
MWM-75-S-WAC-67, 75Other A/C Cap Flange O.D. 4-3/8″ or less + flange height 3/8″ or less
MWM-75-L-WAC-67, 75, 100/WC-60N, 65, 65N, 75NOther A/C Cap Flange O.D. 5-3/8″ or less + flange height 1/2″ or less
MWM-85AC-67, 75, 100/WC-60N, 65, 65N, 75NOther A/C Cap Flange O.D. 5-3/8″ or less + 1/2″ or less


Q. What is Slimduct MD used for?

A. Slimduct MD is an indoor lineset cover designed to conceal exposed HVAC lines, electrical conduit, gas piping, and other types of indoor piping.

Q. Can Slimduct MD be used outdoors?

A. No, Slimduct MD is designed exclusively for indoor use. It does not have UV protection and may deteriorate when exposed to sunlight. For outdoor installations, use Slimduct SD, which is UV-stabilized and made for exterior conditions.

Q. What makes Slimduct MD visually appealing?

A. It features a sleek white finish with no visible screws, offering a clean, modern look that blends seamlessly with any indoor decor.

Q. What size linesets does Slimduct MD accommodate?

A. It supports 3/8″ and 1/2″ linesets with 1/2″ insulation, as well as a 5/8″ drain hose.

Q. Is it easy to install Slimduct MD?

A. Yes. It comes with 14 different fittings, making it simple to customize and install for various lineset configurations.

You May Also Be Interested In

Our Support

Frequently Asked Questions

Our Support to Distributors

View Technical Library