SF3813 – VALVE CORE TOOL W/ CORES
Supco SF3813 valve core tool with 3 replacement cores. 3-inch all-brass body with textured grip. Removes and installs Schrader valve cores on AC service ports.
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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Supco SF3813 valve core tool with 3 replacement cores. 3-inch all-brass body with textured grip. Removes and installs Schrader valve cores on AC service ports.

Tubing cutter for up to 2-1/2″ OD. Quick-action ratcheting design cuts copper, aluminum, and plastic tubing. Handles large line sets and drain lines.

Sanhua TXVFE-4-410A-CHATLEFF expansion valve. R-410A, 4-ton capacity, 3/8″ inlet, 1/2″ outlet. Chatleff fittings on both sides. For residential AC systems.

4-inch to 6-inch double-wall flue pipe increaser for Type B gas vent. Transitions from 4″ to 6″ vent pipe. ECCO Manufacturing 200459. Aluminum/galvanized construction.

Sanhua TXVFE-5-410A-CHATLEFF expansion valve. R-410A, 5-ton capacity, 3/8″ inlet, 1/2″ outlet. Chatleff fittings on both sides. For residential AC systems.

POE oil (polyol ester), 1 quart. ISO 32 viscosity, synthetic. Required when adding oil to systems using R-410A, R-407C, and other HFC refrigerants.

25+5 MFD 440V dual run capacitor. Powers both the compressor and condenser fan motor. Budget-friendly TrueLine replacement for residential AC.

Malco KBHC replacement blade for the FG1 duct board hole cutter. Cuts 1.5″ thick fiberglass duct board. Durable steel blade — keeps cuts clean and precise.

Rheem 425097 circuit breaker, 60A, 2-pole, DIN rail mount, lug-to-quick-connect terminals. Internal equipment breaker for Rheem/Ruud heat pumps and air handlers.

This MERV 11 pleated filter captures dust, pollen, mold spores, and pet dander — a solid upgrade over basic fiberglass filters.