WNB – WIRE NUT (BLUE, 100CT)
Blue wire nuts, 100-count bag. Twist-on wire connectors for 22-14 AWG copper wires. Flame-retardant. Standard for HVAC and electrical wiring.
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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Blue wire nuts, 100-count bag. Twist-on wire connectors for 22-14 AWG copper wires. Flame-retardant. Standard for HVAC and electrical wiring.

Honeywell L4064B2228 fan and limit control with 5-inch element. Adjustable fan differential and fixed high-limit safety cutoff. For older furnaces without electronic controls.

Supco SHL513 high limit switch, 3-inch insertion, opens at 170°F, closes at 130°F. Auto reset. Crosses to Carrier HH12ZB170. Universal furnace fit.

24″ aluminum 3-blade condenser fan blade. 33° pitch, CW rotation, hubless (no hub). Replacement for HVAC condenser and heat pump units.

Uninsulated galvanized register boot, 10×10 opening with 10″ round duct connection. Solid galvanized steel construction for unconditioned spaces or commercial applications.

Insulated galvanized register boot, 14×8 opening with 9″ round duct connection. Internally lined to reduce condensation and noise. Larger size for high-airflow rooms.

20″W x 16″T return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

30″W x 20″T return air grille with fixed louver blades. White powder-coated steel. Mounts on wall or ceiling over your return duct opening.

6′ electrical whip with #10 gauge wire and 1/2″ liquid-tight non-metallic conduit. Connects your AC disconnect to the condenser. Pre-wired and ready to install.

ToughBuilt folding jab saw with 5 replacement blades. Quick-release blade swap. Folds for pocket carry. Cuts drywall, duct board, and insulation.