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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 NPRCHT30OUF1 to RSRCHT30OUF1.
30 inch wall mount trimmable chimney describes a cut-to-size wood chimney that is specifically designed to work with Signature Series range hood covers, so the visible chimney section matches the hood design on wall installations. The red oak construction provides a hardwood surface that can be finished to coordinate with surrounding cabinetry, which helps maintain a consistent appearance across the kitchen. This chimney belongs to the product class of chimneys for wood range hoods, so it is intended to complete wood hood projects rather than metal hood systems. The part is tied to the Omega National Products Signature Series range hood covers, giving installers a defined match when they are building with that series. The manufacturer part number RCHT30OUF1 identifies this exact model, which helps during ordering or reordering for repeat jobs.
This cut-to-size chimney is available in a 31.5 inch height, described as one of two available chimney heights for the Signature Series system, so it suits taller wall spaces above the hood. The chimney is specifically designed to fit 30 inch, 36 inch, 42 inch, and 48 inch wide hoods, which means its width interface is intended to align with those hood cover widths in the Signature Series range. Because it is a trimmable, cut-to-size style component, installers can adjust the overall installed height by trimming the chimney section during fitting, which helps adapt a standard part to real room dimensions and ceiling conditions.
This 30 inch wall mount trimmable chimney is identified as being for Signature Series range hood covers, so it is aimed at projects built around that specific Omega National Products hood family. The product is classified as a chimney for wood range hoods, which positions it for use with wood hood structures rather than standalone metal hoods. It is specifically designed to fit 30 inch, 36 inch, 42 inch, and 48 inch wide hoods, so it can be applied across a range of standard cooktop widths while using the same general chimney design. The red oak material means the chimney surface starts as a red oak component, which supports visual coordination with red oak cabinet doors, face frames, and moldings in the same kitchen space. By aligning the chimney design, material, and target hood widths, this model fits into the Signature Series system as the upper enclosure over the vent path.
The web description identifies this chimney as a cut-to-size model, explaining that the part is intended to be trimmed to final height during installation instead of relying on a single fixed dimension. With a stated 31.5 inch height and the note that cut-to-size chimneys are available in two heights, this version becomes the taller option when the distance between the top of the hood cover and the ceiling or soffit requires more coverage. Tying the chimney to 30 inch, 36 inch, 42 inch, and 48 inch wide hoods simplifies layout because one part family aligns with the common hood widths, which can streamline planning for different kitchen runs. The red oak species provides a consistent hardwood substrate for sanding and finishing steps, so finishing workflows can be built around the known behavior of red oak when stained or cleared.
The chimney is specifically designed to fit 30 inch, 36 inch, 42 inch, and 48 inch wide hoods, covering a range of standard Signature Series hood cover sizes in one component family.
The chimney has a stated 31.5 inch height, which serves as the starting dimension before trimming when adapting the cut-to-size component to the actual wall space.
The web description calls it a cut-to-size chimney, indicating it is intended to be trimmed on site so the final installed height matches the hood-to-ceiling distance.
The chimney is described as red oak, which provides a hardwood surface that can be finished to coordinate with red oak cabinets and other wood components.
The chimney is for Signature Series range hood covers from Omega National Products, aligning the upper chimney piece with that specific hood cover design.
The web description states that the cut-to-size chimneys are made in the USA, identifying the manufacturing origin for this model.
This Omega National Products 30 inch wall mount trimmable chimney is identified for Signature Series range hood covers, giving a defined match when those hoods are part of the project. The cut-to-size design and 31.5 inch height provide a trim-ready starting point for aligning the chimney with real wall heights. With red oak construction and a fit specifically described for 30 inch, 36 inch, 42 inch, and 48 inch wide hoods, this component offers a targeted option when a wood chimney is needed to complete a Signature Series wood range hood installation.
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