FS12 – START COLLAR
12″ 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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12″ 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.

80+10 MFD 440V dual run capacitor. Powers both the compressor and condenser fan motor. Budget-friendly Supco replacement for residential AC.

PF20242 pleated air filter. MERV 8, 20″ x 24″ x 2″. Fits standard residential HVAC systems. Replace every 60-90 days for best airflow and filtration.

PF18301 pleated air filter. MERV 11, high-capacity 18″ x 30″ x 1″. Fits standard residential HVAC systems. Replace every 30-90 days for best airflow and filtration.

Hydro-Balance Neutronic H-NT03 odor neutralizer gel, 3 lbs. Eliminates musty and stale HVAC odors at the source — not a cover-up. Place near return air or in mechanical room.

Rheem RH1PZ3617STANNJ 3-ton air handler. 17″ width, R-410A compatible, PSC motor, SEER2 compliant. Pairs with Rheem RA14AZ36 condenser for a complete system.

Victor 3-W-J torch tip for J Series light-duty torches. Largest in the J Series — more heat for bigger copper tubing and heavier brazing jobs.

16″W x 6″T 1-way supply register with adjustable vertical blades. Steel, white finish. Built-in damper to control airflow. Wall or ceiling mount.

Yellow Jacket 49100 replacement gauge crystal, 3-1/8″ (80mm). Polycarbonate. Fits BRUTE II manifolds and other 3-1/8″ dry gauges. Clear view, impact resistant.

Galvanized secondary drain pan, 36″ x 36″. Sits under your indoor coil or air handler to catch overflow if the primary drain clogs. Fits 3- to 4-ton units.