SMP400 – NITROGEN REGULATOR

A nitrogen regulator used for brazing purge, pressure testing, and leak checking on HVAC systems. Connects to standard nitrogen tanks via CGA580 fitting with a 1/4″ output. Every tech needs one — nitrogen purge during brazing prevents scale buildup inside copper lines.

Specs: CGA580 inlet connection, 1/4″ output, adjustable output pressure, for nitrogen tanks

Replaces: 0781-0775, 11336002, 194200, 20-0012-08, 601-2030, SMP400, SMPN, TME8708

Fits: Standard nitrogen tanks with CGA580 valve. Used for HVAC brazing purge, pressure testing, and leak detection.

In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.

Cross-reference numbers

This part replaces the following OEM and aftermarket numbers:

• 0781-0775
• 11336002
• 194200
• 20-0012-08
• 601-2030
• SMPN
• TME8708
• UNIWELDRHP400

Not sure if your number matches? Call (214) 340-9421 or bring the old part in — bench-testing is free.

Fits these models

• UNIWELDRHP4000-400PSIEQUIVALENT