HH18HA452 – MANUAL LIMIT SWITCH (MICRO, LARGE BASE, L250°)
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.
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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.

Carrier CESO110057-02 control board (ICM281C / 50M56D-751 aftermarket). Fits Carrier single-stage furnaces. Replaces all CESO110057 revisions.

Supco low-pressure switch — opens at 40 PSI, closes at 80 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from low refrigerant pressure.

14″ x 14″ return air filter grille. Holds a standard 1″ filter. Removable hinged face for easy filter changes. White steel, mounts on wall or ceiling.

Carrier 325878-751 control board (50M56U-751 aftermarket). Fits 58STA and 58ZAV series Carrier furnaces. Manages gas valve, ignition, and blower operations.

Sanhua TXVFE-3-410A-KIT expansion valve. R-410A, 3-ton capacity, 3/8″ inlet, 1/2″ outlet. Includes both Aeroquip and Chatleff fittings for flexible installation. For residential AC systems.

14″ 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.

4-inch double-wall 90-degree elbow for Type B gas vent. Changes vent direction by 90 degrees. ECCO Manufacturing 200414. Aluminum inner, galvanized outer.

PF18181 pleated air filter. MERV 11, high-capacity 18″ x 18″ x 1″. Fits standard residential HVAC systems. Replace every 30-90 days for best airflow and filtration.

11.75″ x 10.75″ clockwise blower wheel with convex blades. OEM Carrier/Bryant/Payne part. Replaces LA22ZA117 and LA22ZA117A.