DW4X48 – SOLID FLUE PIPE (4″ x 48″)
4-inch x 48-inch solid Type B gas vent pipe. Double-wall with aluminum inner liner and galvanized outer. ECCO Manufacturing 200450. Fixed 4-foot length.
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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4-inch x 48-inch solid Type B gas vent pipe. Double-wall with aluminum inner liner and galvanized outer. ECCO Manufacturing 200450. Fixed 4-foot length.

4″ x 4″ x 4″ galvanized duct wye. Splits one 4″ round duct into two equal 4″ branches. Standard fitting for residential HVAC ductwork.

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.

Malco WT918G T-handle hex key, 1/8″ size, 9″ long. Vinyl cushion grip for torque. Alloy steel construction for HVAC service valve and setscrew work.

80+5 MFD 440V dual run capacitor. Powers both the compressor and condenser fan motor. Fits most residential AC systems. American-made by Titan HD.

2″ disposable chip brush with natural bristles and wood handle. Use it to apply PVC glue, clean coils, brush away debris, or spread sealant. Single-use and cheap.

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

Rheem R801T0754A17UHSNAS gas furnace, 75,000 BTU, 80% AFUE, 17″ cabinet. Constant torque ECM blower motor with PlusOne diagnostics. Upflow/horizontal install. SEER2 compliant.


Furnace high-limit switch from the MAL series. A limit is a safety control: its normally closed contacts open to shut down the heating circuit when plenum temperature climbs past the set point.