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NOTE: As of 4/13/26, Omega National's prefix has changed from NP to RS. This part number has changed from NPRCH427UF1 to RSRCH427UF1.
42 inch wall mount chimney is a cut-to-size wood chimney designed for Signature Series range hood covers, so it extends a matching wood hood vertically to meet the wall line. This matters when a job calls for a continuous, built-in look from cooktop to ceiling transition. The chimney is part of the Omega National Products line of chimneys for wood range hoods, which keeps it in the same family as many shop-standard hood solutions. The 42 inch width match supports straightforward layout over a 42 inch cooking zone, helping keep proportions consistent over base cabinets. This model is designated for Signature Series range hood covers, so it is aimed at projects where a coordinated hood system is already specified. By using the matching Signature component, installers can keep the hood assembly visually aligned from the cover body up the wall.
This 42 inch wall mount chimney is built for wall-mounted Signature Series range hood covers, so its plan footprint is set up to sit over the hood body in a coordinated way. The 23-1/2 inch cut-to-size height gives installers a fixed maximum length they can trim down to the required elevation, which helps handle different ceiling or soffit heights while using the same part number. Because this component is described as a wall mount chimney, it is intended to rise vertically from the hood cover toward the wall area above, supporting a clean, finished termination. The defined width and height range let shops draw and quote the hood assembly with known dimensions instead of guessing chimney proportions onsite.
This Omega National Products 42 inch wall mount chimney is specifically designed for Signature Series range hood covers, so it fits best in kitchens already planned around those wood hood systems. As a chimney for wood range hoods, it is suited to projects where the hood body, trim, and adjacent cabinetry are built from wood components. The white oak material described in the product name ties in with white oak-focused cabinet runs, so the chimney can visually carry that species above the hood opening. Because the chimney is sized to work with 30, 36, 42 and 48 inch wide hoods, it provides a coordinated option when a project mixes different cooktop widths in the same home or job, while still using matched Signature Series parts. For cabinet shops and installers building around wood hood covers, this chimney gives a ready-made upper section sized for a 42 inch layout.
The cut-to-size 23-1/2 inch chimney height means installers start from a known maximum length and trim to the actual wall dimension, which helps repeat the same workflow across multiple installations. Having a stated height keeps drawings, cut lists, and onsite layout tied to a clear reference number instead of field estimating. Because this part is a dedicated Signature Series range hood chimney, it lets the upper chimney and lower hood cover stay within a unified design set, which supports predictable alignment of reveals and face profiles from job to job. The Product Class "Chimneys for Wood Range Hoods" also signals that this piece is engineered specifically for that role, helping shops standardize on a single family of parts for both hood bodies and chimneys. Production in the USA adds a defined sourcing point, which can simplify repeat ordering cycles for frequent hood projects.
This cut-to-size chimney is specifically designed to fit 30, 36, 42 and 48 inch wide hoods, so it aligns with common residential hood sizes across a project.
The chimney is available in a 23-1/2 inch height, giving installers a defined maximum length they can trim to meet their finished wall dimension above the hood.
This 42 inch wall mount chimney is specifically designed for Signature Series range hood covers, keeping the hood body and chimney within the same product family.
This chimney is manufactured by Omega National Products, providing a consistent source for shops that already use their wood range hood components.
The product is classified as a chimney for wood range hoods and is intended for wall mount installations using Signature Series range hood covers.
This cut-to-size chimney is made in the USA, which supports projects that standardize on domestically manufactured wood hood components.
This 42 inch wall mount chimney for Signature Series range hood covers gives cabinet shops and installers a defined white oak solution for the space above a 42 inch hood. The cut-to-size 23-1/2 inch height and purpose-built role as a chimney for wood range hoods support repeatable layout and consistent visual results on Signature-based projects. For jobs already planned around Omega National Products wood range hoods, this Signature Series chimney offers a matching upper section sized for a 42 inch wall-mounted hood run.
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