VN500 – NITROGEN BRAZING/PURGING REGULATOR
Western Enterprises VN500 nitrogen purging regulator. Built specifically for HVAC nitrogen purge during brazing. Precise low-flow control to prevent oxidation inside copper lines.
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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Western Enterprises VN500 nitrogen purging regulator. Built specifically for HVAC nitrogen purge during brazing. Precise low-flow control to prevent oxidation inside copper lines.

Insulated galvanized register boot, 8×4 opening with 5″ round duct connection. Internally lined to reduce condensation and noise. Compact size for smaller registers.

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

Carrier HH12ZB160 high limit switch, 3-inch insertion, opens at 160°F. Auto reset. Crosses to Trane SWT01257. For Carrier, Bryant, Payne, and Trane furnaces.

PF16241 pleated air filter. MERV 11, high-capacity 16″ x 24″ x 1″. Fits standard residential HVAC systems. Replace every 30-90 days for best airflow and filtration.

Rheem 62-24044-71 non-integrated flame sensor retrofit kit. Upgrades older Rheem/Ruud furnaces to a standalone flame sensor. OEM kit with all hardware included.

Yellow wire nuts, 100-count bag. Twist-on wire connectors for 18-10 AWG copper wires. Flame-retardant. Standard for HVAC and electrical wiring.

Supco FC4031 universal fan center. Built-in 40VA transformer (120/208/240V to 24V) plus DPDT relay in one unit. Replaces separate transformer and relay combos.

Plastic secondary drain pan, 30″ x 30″, ABS construction. Sits under your indoor coil or air handler to catch overflow. 3/4″ PVC drain fitting. Rolled edges.

Adjustable hole cutter for sheet metal. Creates clean circular holes for ductwork, vents, and registers. Fits in a standard drill chuck.