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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 NPRCH42QUF1 to RSRCH42QUF1.
42 inch wall mount chimney describes a cut-to-size chimney that is specifically designed to fit 42 inch wide Signature Series range hood covers, so a 42 inch wall installation can follow the intended hood line without field improvising the core shape. This chimney is part of the Omega National Products Signature Series, so it matches that system of wood range hood covers for a coordinated look across the hood body and upper section. The product is classified as a chimney for wood range hoods, which means it extends the visible wood structure above the hood for a finished wall-mounted installation. The chimney is made from alder, so it gives a consistent alder wood surface that can be prepared, stained, or finished in line with other alder cabinetry in the same run.
This Signature chimney, listed at 42 inches wide by 23-1/2 inches high, provides a defined starting size so installers can plan wall layout and cut-down work from a known width and height. The cut-to-size chimney design lets the installer reduce the 23-1/2 inch height as required, so the finished piece can meet ceiling constraints or design lines above the range without altering the hood body. Because this chimney is specifically designed to fit 30 inch, 36 inch, 42 inch, and 48 inch wide hoods, it relates directly to the standard hood widths commonly laid out between wall cabinets, so the installation can follow standard spacing practices.
This Omega National Products Signature chimney is intended for wall mount installations above Signature Series wood range hood covers, so it occupies the vertical space between the hood body and upper termination in a kitchen wall run. The product class as a chimney for wood range hoods means it is sized and shaped to extend the visible wood enclosure where the vent system rises, so the duct chase can be concealed within a coordinated alder structure. Because the cut-to-size chimney family is designed to fit 30 inch, 36 inch, 42 inch, and 48 inch wide hoods, one Signature design language can be carried across different cooking centers on the same project, so visual alignment stays consistent even when appliance widths change.
The specified 42 inch width on this model ties directly to 42 inch wide Signature Series range hood covers, so the chimney edges follow the hood footprint and keep the transition between hood and chimney visually straight. The 23-1/2 inch height dimension sets the maximum starting height above the hood, so the installer can determine how tall the visible chimney should remain after trimming for the ceiling or soffit line. Alder construction gives a uniform alder surface on the chimney, so it can be sanded and finished in ways that coordinate with alder cabinet doors, face frames, or trim elements in the same kitchen zone.
The cut-to-size chimney design is specifically described for this Signature chimney, so the upper piece can be trimmed down in the field to work with varying ceiling heights without changing the core hood geometry. Having a defined 23-1/2 inch height for the chimney gives installers a repeatable starting point for their cut plan, so they can calculate final hood-to-ceiling spacing and maintain a balanced reveal above the cooking surface. Because the same chimney concept is used across 30 inch, 36 inch, 42 inch, and 48 inch wide Signature hoods, a shop or installer can work from familiar dimensions and cut strategies across multiple hood widths, which supports predictable fabrication steps from job to job.
The alder material used for this Signature chimney allows consistent alder grain and color during trimming and finishing, so exposed cut edges and faces can be prepared to blend with adjacent alder cabinetry. Omega National Products branding on this chimney ties it back to the Signature Series range hood covers, so the fit, proportion, and design intent are coordinated within a single manufacturer system for the hood and chimney assembly.
This Signature chimney is part of a cut-to-size family specifically designed to fit 30 inch, 36 inch, 42 inch, and 48 inch wide hoods, so it supports several standard cooking center widths.
This Omega National Products Signature chimney is identified as a 42 inch wide unit, so it matches 42 inch wide Signature Series range hood covers in wall mount layouts.
This Signature chimney has a specified height of 23-1/2 inches, so installers have a defined maximum height to trim down when setting the final hood-to-ceiling distance.
This 42 inch wall mount chimney is made from alder, so its alder surface can be prepared and finished to coordinate with other alder cabinetry elements.
This range hood chimney is specifically designed for Signature Series range hood covers from Omega National Products, so its design follows that Signature style.
This Omega National Products Signature chimney is made in the USA, so it supports projects calling for domestically produced wood hood components.
This Signature chimney, with its 42 inch width, 23-1/2 inch height, and alder construction, gives installers a defined starting point for building out a 42 inch wide Signature Series wood range hood installation. The cut-to-size chimney design specifically supports trimming on site, so field adjustments for ceiling height and visual proportion can be handled using the same core component. For projects using Signature Series range hood covers from Omega National Products, this alder chimney aligns with the described hood widths and product class, so the hood and chimney assembly can follow a coordinated Signature look from cooktop to ceiling.
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