TBDI – DIFFUSER REGISTER (DROP CEILING, 24″ GRID, INSULATION BACK, 3-CONE)
24″ x 24″ drop ceiling diffuser with 3-cone design for 4-way airflow. R6 insulated back. White steel. Lays into standard T-bar ceiling grid.
Walk in. We test every part free at the counter. Open to homeowners, contractors, and multifamily — no account or minimum order.
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Ten departments, organized the way our counter is. Every category is on the shelf today.
Bring your old part. We'll diagnose it, find the replacement, and bench-test the new one at the counter before you leave — so you only make one trip.

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24″ x 24″ drop ceiling diffuser with 3-cone design for 4-way airflow. R6 insulated back. White steel. Lays into standard T-bar ceiling grid.

15′ insulated mini-split line set with pre-flared 1/4″ and 3/8″ copper lines. 1/2″ insulation. Ready to install — no flaring tool needed.

30″W x 20″T return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

ToughBuilt left-cut aviation snips. Induction-hardened forged blades with dual grip positions. Flush-cut design for tight ductwork trimming.

18″ aluminum 4-blade condenser fan blade. 23° pitch, CCW rotation, hubless (no hub). Replacement for HVAC condenser and heat pump units.

Carrier HH18HA495 manual reset limit switch, opens at 350°F. Teardrop mount. Crosses to 1177033. OEM flame rollout switch for Carrier, Bryant, and Payne.

7/8″ x 50′ soft copper refrigeration tubing. ACR grade — clean, dehydrated, and capped. Standard suction line for 3-5 ton residential AC systems.

Trane flame sensor, direct OEM replacement. Fits multiple Trane/American Standard furnace models. Replaces SEN0337, SEN0441, SEN0491. Stainless steel rod with ceramic insulator.

Sanhua TXVFE-4-410A-KIT expansion valve. R-410A, 4-ton capacity, 3/8″ inlet, 1/2″ outlet. Includes both Aeroquip and Chatleff fittings for flexible installation. For residential AC systems.

Insulated return air box, 20×20 opening with ductboard top. Connects return grilles to round ductwork — cut the top on-site to match your duct size. Galvanized steel.