Insulated Register Box
- Customer pickup,
- Courier
- In detail
For use in wood truss floor/ceiling assemblies rated 1 hour or less - UL Classified (UL 263)
Approved UL L-587 design, similar to other designs: L-521, 546, 550, 562, 563, P-544.
Incorporates UL 555C evaluated ceiling damper.
22 Ga. CRD frame and blades.
28 Ga. box and collar with 1½" R-6 duct liner insulation.
Standard fusible link - 165° (or with optional 212°)
Standard Link attachment on 4" and 5" diameter
"Easy Access" option on 6" and up diameter
Ceramic Thermal Blanket provided on units with CRD areas of greater than 80 sq. inches
Available in stainless steel
Available in range of sizes from:
4" x 8" x 4" to 16" x 16" x 12"
Unique approval for Class 0, Class1 Flex-duct OR steel pipe (elbow) connections to achieve "top-out" or "side-out" configurations
ONLY UL tested and approved manufacturer offering this option.