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The SIOUX CHIEF 698-EX is an Omni panel frame extension designed to add depth to existing Omni access panel frames in residential and light commercial plumbing installations. This extension piece allows technicians to bring a recessed panel frame flush with finished wall surfaces of varying thickness, eliminating the need to source a completely new frame assembly. It is a field-used component installed by licensed plumbers and finish contractors during new construction or renovation work where wall build-out changes the original frame depth.
The 698-EX is suited for use in residential and light commercial applications where Omni series access panels are already specified or installed. It is particularly useful during renovation projects where additional drywall, tile backer, or finish materials increase the overall wall depth beyond the original frame depth. Installers working on bathroom, utility room, or mechanical closet access points will find this extension applicable when the rough-in frame depth no longer meets the finished wall plane.
Designed as an OEM-style extension component for use with SIOUX CHIEF Omni series access panel frame assemblies in plumbing rough-in applications.
Installation should be performed by a licensed plumber or qualified contractor. Shut off any relevant water supply lines before servicing access panels in wet areas. Verify wall assembly thickness and frame depth requirements before selecting the appropriate extension. Follow local building codes for access panel placement and clearance requirements.
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