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PSDR Plenum Return for Standard T-Bar Ceilings
Plenum Slots
An integral part of VAV systems, plenum slot return diffusers are designed for standard lay-in T-bar ceiling systems and facilitate efficient air distribution. PSDR Return Slot Diffusers are a matching return for SVPS and ITPS models and come in 1, 2, 3, or 4 slots.
- Available in a sturdy 24-gauge galvanized steel construction
- Come with option of an open inlet for use in non-ducted return systems
- Available in 3/4”, 1” or 1-1/2” slot widths
Product Application
Engineering excellence coupled with aesthetic appeal make Tuttle and Bailey’s Plenum Return Diffusers the one-stop solution for your HVAC systems. The product’s versatile design allows for a number of different configurations in T-bar ceilings. Its sleek appearance matches that of our Supply Diffusers, and has a smooth and even finish.

Features
- Matching return for SVPS and ITPS
- Available slot widths: 3/4”, 1” and 1-1/2”
- Factory mounted T-bars
- Cross notch (CN)
- Mounting tabs (MO, MB)
- Standard nominal lengths: 24”, 36”, 48” and 60”
- PSDR available in 1, 2, 3 or 4 slots
- Plaster frame (PF) for sheetrock & plaster ceiling
- Inlet damper (ID), shipped loose for field installation
- Internal 1/4” fiberglass internal insulation along length of plenum (endcaps not insulated)
Benefits

Maximum Endurance
Sports a sturdy steel construction that lends the product a long lifespan.

Optimum Ventilation
Features up to four slots and three slot widths for superior ventilation.
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