24X21X36R6 – PLENUM

A plenum is the sheet metal box that connects your air handler or cased coil to the ductwork in your home. If you’re replacing an air handler or adding ductwork, you’ll need one that matches your unit’s opening size. This one measures 24″ x 21″ at the opening and is 36″ long.

Specs: 24″ x 21″ opening, 36″ length, R6 fiberglass insulation, galvanized steel

Replaces: Universal — fits any air handler or coil with a 24″ x 21″ opening

Fits: Air handlers and cased evaporator coils with a matching 24″ x 21″ opening from Goodman, Rheem, Trane, Carrier, Lennox, and others

In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.

Cross-reference numbers

This part replaces the following OEM and aftermarket numbers:

• 21X24X36R
• 24X21X36R6

Not sure if your number matches? Call (214) 340-9421 or bring the old part in — bench-testing is free.