3W3 – HARD START KIT (3 WIRE, 4-5 TON)
Supco 3W3 hard start kit for 4-5 ton compressors. 3-wire design with potential relay and start capacitor. Heavy-duty option for the largest residential systems.
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Supco 3W3 hard start kit for 4-5 ton compressors. 3-wire design with potential relay and start capacitor. Heavy-duty option for the largest residential systems.

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.

Fasco D337 double-shaft blower motor. 1/8 HP, 4-speed, 1550 RPM, 115V. 4.4-inch diameter with resilient ring mount. Fits wall heaters, fan coils, and small units.


Goodman 0259M00005 gas valve adapter harness. Adapts Honeywell-style furnace wiring to the White-Rodgers 0151M00027S two-stage valve.

Sanhua TXVFE-2-410A-CHATLEFF expansion valve. R-410A, 2-ton capacity, 3/8″ inlet, 1/2″ outlet. Chatleff fittings on both sides. For residential AC systems.

7″ 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.

One-shot thermal fuse link – backup overheat protection in electric furnaces and air handlers.

Everwell manifold gauge set for R-410A, R-22, R-404A and R-507A, supplied with a 36 in. hose set.

EZ Trap EZT-113 ClearTrap economy drain trap kit. 3/4″ transparent PVC with red watertight caps. See-through design lets you check for clogs without disassembly.