Pipe-Size: 3/8″, 1/2″, 3/4"

The NMT® N5 Series gas regulator is a Certified CSA 6.22/ANSI Z21.80 self-operating regulator with vent limiting option for use in residential, commercial and industrial applications. The N5 vent allows for indoor use without the need to pipe external vent lines. With the added benefit of extended corrosion resistance the N5 allows for various applications where the best regulation performance is required.


  • ANSI Z21.80/CSA 6.22 CERTIFIED
  • Vent limiter option (No need to install vent pipe!)
  • Multi-position installation
  • Extended corrosion resistance
  • Up to 15 psig operating pressure

Spring Ranges:

CSA Certified - STD Springs Other Springs - NON CSA
7-11" wc Silver 3-13" wc Orange
12-14" wc Yellow 10-23" wc Green
  15-30" wc Red
21"-1.5 psig White

Literature & Resources


CSA Certification Record

N5A 3/8" to 3/4"