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Pressure Relief Horizontal Air Up 3520-20X25 Smoke-Fire Damper * 3 hour rated *

SKU 99621063079
4.8
USD269.52 USD314.52

Pay in 4 interest-free payments of $67.38 Learn more

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 23 - Aug 28

Description

* 3 hour rated * UL and California State Fire Marshall approved * 4-1/4" standard frame style * Interlocking steel roll-formed blade (3) with roll-formed frames (1) * Blade lock (5) * Damper manufactured from corrosion tested galvanized mild steel (G-90) * Self locking corner (4) * 165° replaceable fusible link (2) h3

* 2534 - Square or rectangular spring actuated (6) for horizontal or vertical mount

Front blades parallel to shortest dimension

Countersunk mounting holes for flush appearance with color matching Phillips Pozidriv screws

Soft White Options

Pressure Relief Horizontal Air Up 3520-20X25 Smoke-Fire Damper * 3 hour rated *h3. Standard Features * 3510 Vertical mount * 3520 Horizontal mount air up * 3530 Horizontal mount air down * Designed to open with negative or positive pressures for intake or exhaust air * Felt edge blades to hold noise to a minimum * Aluminum construction * Blade to blade linkage * 1 4" pivot pins in nylon busings * Maximum size 24 x 24 * Mill finish h3. Options * Sleeve variations * Mounting flange * Adjustable counter balance to adjust various

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy

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