RH2TZ4821STANNJ – AIR HANDLER (4 TON, R410A, 21″, SEER2)
Rheem RH2TZ4821STANNJ 4-ton air handler with Constant Torque ECM motor. 21″ width, R-410A, SEER2 compliant. More efficient and quieter than PSC models.
Walk in. We test every part free at the counter. Open to homeowners, contractors, and multifamily — no account or minimum order.
Popular: 45/5 capacitor ECM blower Honeywell ignitor 24V contactor Hard start kit

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.

¿Buscas partes de HVAC en Dallas?
Visita nuestra página en español — mismas partes, mismo mostrador, atendido en español.
Ver página en español →Showing 721–730 of 1617 results

Rheem RH2TZ4821STANNJ 4-ton air handler with Constant Torque ECM motor. 21″ width, R-410A, SEER2 compliant. More efficient and quieter than PSC models.

ICM2812-KIT universal gas furnace control board kit. Replaces 200+ OEM boards including White-Rodgers 50M56U-843. Includes mounting hardware and wiring.

16″ round duct damper with key handle. Controls airflow to individual rooms by opening or closing the damper blade. Galvanized steel.

Hydro-Balance Neutronic H-NT08 odor neutralizer gel, 8 oz. Compact size for smaller spaces. Eliminates HVAC odors at the source instead of masking them.

Carrier HH18HA452 manual reset rollout limit switch, opens at 250°F. Large base, micro size. OEM flame rollout switch for Carrier, Bryant, and Payne furnaces.

DiversiTech DP-1 nitrogen purge tool. Adjustable flow dial for controlled nitrogen purge during brazing. Aluminum body, 50 PSI inlet. Essential for AC line work.

Cliplight 301 valve core removal tool. Removes and installs Schrader valve cores without losing refrigerant charge. Seals the port while you work.

Aftermarket inducer motor for Lennox furnaces. 120V, 3000 RPM, 1/60 HP. Replaces 85L49. Complete assembly with motor, wheel, housing, and gaskets.

Goodman B1370738 fan switching relay/sequencer (Q108 aftermarket). 24V SPDT. Controls the blower fan timing in Goodman and Amana furnaces.

1/4 in. refrigeration copper coupling with an internal stop, cup x cup. Solders two lengths of same-size ACR copper tube together; the stop centers the fitting so each tube bottoms evenly in the socket.