NOTE: As of 4/13/26, Omega National's prefix has changed from NP to RS. This part number has changed from NPRCH307UF1 to RSRCH307UF1.
30 inch Signature Series chimneys from Omega National Products provide a cut-to-size wood chimney solution for wood range hoods that need field trimming to final height. This Rift White Oak Signature Series standard trimmable chimney is designed for wall hood applications where the chimney section needs to be sized precisely to the ceiling. The product is part of Omega National chimneys for wood range hoods, so it is built to work as the upper chimney section above a matching wood hood body. The manufacturer lists this model under part number RCH307UF1, which helps match the correct Signature Series component when planning or repeating jobs. The chimney is made from Rift White Oak, giving a specific wood species and grain orientation that can be selected to coordinate with Rift White Oak cabinetry or trim in the same kitchen or bath project.
This Omega National Signature Series standard trimmable chimney in Rift White Oak is listed for chimneys for wood range hoods, which defines its role as the upper chimney section above the hood. The cut-to-size description explains that the tall wood section is intended to be trimmed down, so the installer can work from the 23-1/2 inch starting height listed in the description to reach the needed final length. Because these cut-to-size chimneys are specifically designed to fit 30 inch, 36 inch, 42 inch, and 48 inch wide hoods, one style of chimney can be planned across different hood widths in the same product family. That application detail helps with ordering consistency when a project uses more than one hood size.
This Signature Series standard trimmable chimney is classified in the product data as a chimney for wood range hoods, which defines it as the vertical enclosure above a compatible wood hood. The Web description notes that cut-to-size chimneys are specifically designed to fit 30 inch, 36 inch, 42 inch, and 48 inch wide hoods, so the same style of Rift White Oak chimney can be specified across multiple hood widths when working within that Signature Series system. Because this model is designated for wall hood use in the URL and is described as a chimney for wood range hoods, it aligns with wall-mounted hood layouts where the wood chimney rises to meet the ceiling or soffit. The Rift White Oak material referenced in the product name gives a defined aesthetic direction, supporting projects that call for a Rift White Oak grain appearance on the exposed chimney section.
The Web description states that cut-to-size chimneys are available in two heights, 23-1/2 inch and 31 inch, and this particular part is described with a 23-1/2 inch value, giving a known starting dimension. That defined starting height allows the installer or shop to trim the chimney down during fabrication or installation so the finished assembly lines up with project-specific ceiling conditions. The cut-to-size characteristic means the installer works from a full-height piece rather than building a custom chimney from separate components. Because these cut-to-size chimneys are specifically designed to fit 30 inch, 36 inch, 42 inch, and 48 inch wide hoods, they can be incorporated into planning standards across a range of hood sizes. The made in the USA note in the description further identifies the manufacturing origin, which can support project documentation or sourcing requirements when specifying wood range hood components.
The Omega National RCH307UF1 chimney is a Signature Series standard trimmable chimney for wood range hoods, so it serves as the vertical wood enclosure above a compatible hood.
This cut-to-size chimney is specifically designed to fit 30 inch, 36 inch, 42 inch, and 48 inch wide hoods, allowing one style to cover several common hood sizes.
The 23-1/2 inch cut-to-size chimney provides a 23-1/2 inch starting height that can be trimmed down, so the final height can be adjusted to match ceiling conditions.
The chimney is described as Rift White Oak, giving a known wood species and grain orientation that coordinates with Rift White Oak cabinetry or trim on the project.
The cut-to-size design supplies a full-height chimney section that can be trimmed, so installers can match varying ceiling heights using a standard starting piece.
The Web description notes that this Signature Series cut-to-size chimney is made in the USA, which can support projects that specify domestically manufactured wood components.
This Omega National Products 30 inch Signature Series standard trimmable chimney in Rift White Oak provides a cut-to-size solution for wood range hoods that need a chimney tailored to ceiling height. The 23-1/2 inch starting height and multi-width hood fit described in the product data give clear parameters for layout and ordering. When a project calls for chimneys for wood range hoods in Rift White Oak with domestic manufacture, this RCH307UF1 model aligns directly with those requirements, ready to be integrated into a coordinated hood and chimney design.
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