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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PF10301 pleated air filter. MERV 11, high-capacity 10″ x 30″ x 1″. Fits standard residential HVAC systems. Replace every 30-90 days for best airflow and filtration.
Yellow Jacket 19109 SealRight 1/4″ straight low-loss fitting. Traps refrigerant automatically when you disconnect. Male flare, straight design.
7″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.
Supco low-pressure switch — opens at 35 PSI, closes at 60 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from low refrigerant pressure.
PF08301 pleated air filter. MERV 11, high-capacity 8″ x 30″ x 1″. Fits standard residential HVAC systems. Replace every 30-90 days for best airflow and filtration.
Supco SLS150 auto reset micro limit switch, opens at 150°F, closes at 110°F. Compact design with angled terminals. Universal fit for furnaces and unit heaters.
CO2 cartridges, 8-pack. Standard size for the GG-1 Swoosh Drain Gun and other HVAC CO2-powered tools. Reliable output for clearing condensate drain lines.
Supco SHL514 high limit switch, 3-inch insertion, opens at 180°F, closes at 140°F. Auto reset. Crosses to Carrier HH12ZB180. Universal furnace replacement.
Temperature fuse link, opens at 300°F (149°C). 15 Amp rated. One-time-use thermal safety device — if it’s blown, the system overheated and needs the fuse link replaced.
Supco SSRT3165 red silicone pressure switch tubing, 1/4″ ID x 60″. Handles -100°F to 500°F. Replaces cracked or melted rubber tubing on furnace inducer pressure switches.