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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 NPRCHT48QUF1 to RSRCHT48QUF1.
48 inch wall mount trimmable chimney is a cut-to-size chimney from Omega National Products built for Signature Series range hood covers, so it finishes the hood body with a coordinated, made-for-it look on the wall. The alder construction gives you a wood surface that accepts typical woodworking processes, so it can be worked, sanded, and finished along with surrounding cabinets for a consistent appearance. This chimney is part of the Chimneys for Wood Range Hoods product class, meaning it serves as the upper enclosure that visually extends the Signature Series hood toward the ceiling in a kitchen layout. The manufacturer part number RCHT48QUF1 identifies this specific 48 inch wide, 31.5 inch high alder model, which helps keep orders and replacements aligned with the exact Signature Series design specified on the job.
This 48 inch Wall Mount Trimmable Chimney is designed specifically as a wall mount component for Signature Series range hood covers, so it aligns with wall-mounted hood layouts rather than island or other configurations. The 48 inch width matches 48 inch wide hoods listed in the cut-to-size chimney family, so the face and edges can visually track the hood body dimensions without awkward overhangs on that size. The 31.5 inch height noted in the description sits in the taller of the two cut-to-size height offerings, so there is working length available when trimming to fit between the hood top and the ceiling plane. Because it is part of a cut-to-size system, the chimney is intended to be processed on site or in the shop to final height instead of relying on a fixed, non-modifiable length.
The Signature Chimney 48 inch wide by 31.5 inch high alder model is intended to be used over Signature Series range hood covers in kitchen projects where a wood range hood is specified. As a chimney for wood range hoods, it forms the visible upper section above the hood, so it plays a role in the overall kitchen elevation, especially on focal walls. Because the Cut-to-Size Chimneys are specifically designed to fit 30 inch, 36 inch, 42 inch, and 48 inch wide hoods, this alder unit fits into a lineup of widths that can be deployed across different appliance sizes while keeping the same design language. The 31 inch height designation in the cut-to-size system, combined with the 31.5 inch description, means this chimney falls in the taller range within the product group, supporting layouts where more vertical coverage above the hood is desired before trimming.
The fact that these are Cut-to-Size Chimneys directly affects on-site workflow, because the installer or shop can trim the alder chimney to the required height rather than working around a preset dimension that may not land cleanly against the ceiling. Having two height offerings, 23-1/2 inch and 31 inch, gives designers and installers a choice of starting lengths, which can reduce waste when matching common ceiling heights. The specific design to fit 30 inch, 36 inch, 42 inch, and 48 inch wide hoods simplifies planning when a project uses multiple hood widths, because the same Omega National Products cut-to-size concept carries across those sizes. Being made in the USA by Omega National Products provides a consistent source for this RCHT48QUF1 part number, which helps maintain continuity on repeat projects or when matching an existing Signature Series installation.
The RCHT48QUF1 chimney is a Chimneys for Wood Range Hoods component from Omega National Products, so it serves as the upper wood enclosure above a Signature Series range hood cover.
Cut-to-Size Chimneys are specifically designed to fit 30 inch, 36 inch, 42 inch, and 48 inch wide hoods, so one product family can cover multiple hood sizes in a project.
This Signature chimney is described as 31.5 inches high and is part of a Cut-to-Size Chimneys family offered in 23-1/2 inch and 31 inch heights, so it falls within the taller size range.
This 48 inch Wall Mount Trimmable Chimney is alder, giving a wood material that can be worked and finished alongside alder cabinets and wood range hoods in a kitchen.
This chimney is made in the USA, so its production origin aligns with projects that prefer domestically manufactured wood range hood components.
This 48 inch Wall Mount Trimmable Chimney is designed for Signature Series range hood covers, so it visually coordinates with that specific hood style in wood kitchens.
The 48 inch wall mount trimmable chimney for Signature Series range hood covers combines a 48 inch width, a 31.5 inch height range, and cut-to-size design to support accurate on-site fitting in wood hood installations. Its alder construction and Chimneys for Wood Range Hoods classification position it for projects built around wood range hoods rather than metal shells. With Cut-to-Size Chimneys engineered for 30 inch, 36 inch, 42 inch, and 48 inch wide hoods, this Omega National Products RCHT48QUF1 model ties directly into that system for Signature Series jobs where a matching alder chimney is required.
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