FS8 – START COLLAR
8″ galvanized start collar for connecting round duct to a sheet metal or ductboard plenum. Crimped end for easy duct attachment. Standard residential HVAC ductwork fitting.
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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8″ galvanized start collar for connecting round duct to a sheet metal or ductboard plenum. Crimped end for easy duct attachment. Standard residential HVAC ductwork fitting.

Carrier HH12ZB260 high limit switch, 3-inch insertion, opens at 260°F. Auto reset. Crosses to Trane SWT01261. For Carrier, Trane, and other brand furnaces.

Sanhua TXVFE-5-22-KIT expansion valve. R-22, 5-ton capacity, 3/8″ inlet, 1/2″ outlet. Includes both Aeroquip and Chatleff fittings for flexible installation. For residential AC systems.

ToughBuilt TB-CT-62-20 X-large Massive Mouth tool bag, 20-inch, waterproof bottom. Biggest non-rolling bag in the Massive Mouth line. Hard body with rugged base.

50′ mini-split control wire, 14-gauge 4-conductor. Connects the indoor unit to the outdoor condenser for power and communication. Stranded copper.

Galvanized duct reducer, 7″ to 5″. Transitions between two different round duct sizes in a supply or return run. Crimped end for easy connection.

90-degree quick coupler for refrigeration service work.

1/2″ liquid-tight non-metallic conduit, sold by the foot (100′ per roll). Flexible PVC for protecting AC wiring outdoors. Moisture and UV resistant.

Carrier HH18HA493 auto reset limit switch, opens at 200°F, closes at 101°F. Wide mount, micro size. Crosses to 1176902. OEM for Carrier, Bryant, and Payne.

Ceramic temperature fuse link (elbow), opens at 257°F (125°C). 15 Amp. Ceramic body with 90° elbow terminal orientation for tight-fit installations.