2P40A24V – CONTACTOR (C240A)
Two-pole 40A contactor with 24V coil (C240A). The most common residential AC contactor. Controls power to the compressor in your outdoor unit.
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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Two-pole 40A contactor with 24V coil (C240A). The most common residential AC contactor. Controls power to the compressor in your outdoor unit.

Supco SHL525 high limit switch, 7-inch insertion, opens at 180°F, closes at 160°F. Auto reset. Universal 7-inch probe replacement for furnaces.

PF16254 pleated air filter. MERV 11, high-capacity 16″ x 25″ x 4″. Fits standard residential HVAC systems. Replace every 6-12 months for best airflow and filtration.

10″ x 8″ x 8″ galvanized duct wye. Reduces a 10″ trunk into two 8″ branch ducts. Standard fitting for residential HVAC ductwork.

Single 15% silver brazing rod (BCuP-5). Buy just one stick instead of a full pound. Self-fluxing on copper-to-copper. For small repair jobs.

Nordyne 626458R double-pole limit switch, opens at 190°F. Dual-stack design for Nordyne, Miller, and Intertherm furnaces. Also listed as 626458.

Honeywell thermostat wall cover plate. Covers paint marks and holes left behind from a previous thermostat. Fits FocusPRO and PRO series thermostats.

14″W x 8″T 3-way supply register with stamped steel face. White powder coat. Built-in multi-shutter damper for airflow control. Wall or ceiling mount.

20″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

Insulated return air box, 16×25 opening with ductboard top. Connects return grilles to round ductwork — cut the top on-site to match your duct size. Galvanized steel.