QT2000 – ACID TEST KIT
QwikProducts QT2000 QwikCheck acid test kit. Detects acid in AC systems down to 1 ppm in 2 seconds. Works with all refrigerants and oils. Essential after compressor burnout.
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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QwikProducts QT2000 QwikCheck acid test kit. Detects acid in AC systems down to 1 ppm in 2 seconds. Works with all refrigerants and oils. Essential after compressor burnout.

TurboTorch PL-8A self-lighting torch tip assembly. Brazes 1/2″ to 1″ copper, solders 1″ to 2″ pipe. No striker needed — built-in piezo ignition for one-handed operation.

Rheem/Ruud ProTech genuine OEM control board. Rheem lists it as a current, orderable OEM control board but publishes no electrical specification table for it, so voltages and amperages are not stated here; the published data is limited to identification, packaging and dimensions.

Clear plastic universal thermostat guard with lock. See-through cover fits thermostats up to 7.3″ x 5.25″ x 1.8″. Vented for proper airflow.

Trane Perfect Fit 5-inch replacement media filter for the 17-1/2 in. furnace filter cabinet.

9″ x 8″ clockwise blower wheel with convex blades and 1/2″ bore. OEM Goodman part number B1368036S. Also cross-references Morrison BW33002.

Sanhua 3/8″ ODF service valve (SERVICE-BAR-3-S-T). For refrigerant charging, vacuum pulling, and line isolation. Used on liquid and suction lines during installation and service.

Snap-disc furnace high-limit switch from the DL series; the number is the opening (cut-out) temperature in degrees F. It is a safety device that breaks the heating circuit when the plenum overheats, and a limit that keeps tripping points at restricted airflow or a failed blower rather than at the switch.

Trane flame sensor, direct OEM replacement. Fits multiple Trane/American Standard furnace models. Replaces SEN0337, SEN0441, SEN0491. Stainless steel rod with ceramic insulator.

Refrigerant-side high pressure cutout switch for Goodman / Amana equipment. It is a safety device in the 24 V control circuit: contacts open when discharge pressure climbs too high – dirty condenser, failed condenser fan, or overcharge – shutting the compressor down before damage occurs.