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Modern Flames Redstone Surrounds
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Modern Flames · Redstone Surrounds
Modern Flames TK-RS26-3726 Redstone Insert Surround
Match surround TK-RS26-3726 to the RS-2621 firebox, then check the complete opening and finishing plan. This optional insert surround has published outside dimensions of 36 3/4 inches W × 25 1/4 inches H.
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Choose the surround with the opening in mind.

TK-RS26-3726 is the documented insert-surround option for RS-2621. Its published outside dimensions are 36 3/4 inches W × 25 1/4 inches H, with a nominal 7-inch trim band.
Outside surround dimensions describe the finishing piece. They do not replace the appliance dimensions, required opening or installation clearances.
The bottom-riser configuration has its own height reference. The surround and bottom riser are included; choose the finishing arrangement with your installer.
Match the exact surround and firebox.
| Reference | Published detail |
|---|---|
| Surround part number | TK-RS26-3726 |
| Compatible Redstone model | RS-2621 |
| Outside surround dimensions | 36 3/4 inches W × 25 1/4 inches H |
| Nominal trim band | 7 inches |
Separate the two finishing configurations.
Use the listed height for your chosen surround arrangement, with or without the bottom riser. The package includes the surround and bottom riser. Confirm the complete opening coverage before installation.
| Configuration | Published height |
|---|---|
| Surround height | 25 1/4 inches |
| With-bottom-riser reference | 31 5/8 inches |
Check the complete finishing arrangement.
The optional insert surround is separate from the ⅝-inch and 1⅝-inch built-in trims supplied with the appliance. These are different finishing choices; the optional surround does not replace a missing supplied trim.
Confirm the full firebox model, outside surround dimensions and opening coverage with your installer. Check the complete extra-wide trim instructions before planning the installation. The fireplace is sold separately.
Questions before ordering.
Which fireplace does this surround fit?
The manufacturer trim-options table associates TK-RS26-3726 with RS-2621. A similar nominal width does not establish fit with another model or generation.
What are the outside dimensions?
The published outside dimensions are 36 3/4 inches W × 25 1/4 inches H. Check these separately from the firebox and required opening.
What is the nominal trim-band width?
TK-RS26-3726 has a nominal 7-inch trim band.
Is the bottom riser included?
TK-RS26-3726 includes the surround and bottom riser. Confirm the finishing arrangement against the installation guide.
What does the with-bottom-riser height mean?
The table lists 31 5/8 inches for that configuration. This is a separate planning reference, not the standard surround height or evidence that another product is included.
Is the fireplace included?
No. This optional finishing surround is separate from the fireplace.
Is this one of the appliance’s supplied built-in trims?
No. The appliance’s supplied ⅝-inch and 1⅝-inch built-in trims and this optional insert surround are different finishing choices.
What should I confirm before ordering?
Confirm the exact firebox and surround part numbers, outside dimensions, opening coverage and any riser requirement against the complete installation documents.
Manuals & documents
Redstone optional surround specification sheet Redstone extra-wide trim installation instructionsA real person. Useful advice.
Speak to an Expert
Confirm TK-RS26-3726, firebox RS-2621, outside surround dimensions and the required finishing configuration before ordering.

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