30016 – DAMPER (16″ W/ KEY)
16″ round duct damper with key handle. Controls airflow to individual rooms by opening or closing the damper blade. Galvanized steel.
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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16″ round duct damper with key handle. Controls airflow to individual rooms by opening or closing the damper blade. Galvanized steel.

6″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

Aftermarket inducer motor assembly for Rheem/Ruud furnaces. 115V, 3000 RPM. Replaces 70-101087-81 and 70-24175-01. Complete assembly with motor, housing, and wheel.

Fieldpiece JL3KH6 wireless charge and air test kit. Includes pressure probes, pipe clamps, and psychrometers for real-time HVAC diagnostics via Job Link app.

Ceramic insulator for electric heat kits, sold by the piece. Bring the old one in and we will match it at the counter.

24V triple-stacked heat sequencer for Lennox electric furnaces. Thermal time delay relay that stages heating elements and fan activation.

Supco SLS300 auto reset rollout switch, opens at 300°F, closes at 250°F. Compact micro size with angled terminals. Used as a flame rollout safety switch.

Shurtape AF 984CT scrim tape, 3″ x 150′. For sealing seams on FSK (foil-scrim-kraft) duct insulation. Holds up during extreme temperature swings.

Supco BRK3 resettable 3 Amp diagnostic fuse for HVAC low-voltage circuits. Built-in light shows when circuit is active. Resets instead of blowing — saves time troubleshooting.

2″ x 30′ self-adhesive cork tape for pipe insulation. Prevents condensation on cold pipes. Flexible and easy to wrap around bends and fittings.