Compact Second Stage Regulator for LP-Gas LV3403B4





Application

The LV3403B4 is designed to reduce first stage pressure of 5-20 PSIG down to burner pressure normally 11” w.c. Designed as a second stage regulator for smaller applications with flow requirements up to 450,000 BTU’s/hr, they are ideal for homes, mobile homes, and cottages.

Features

  • Large vent helps prevent vent blockage, it is tapped for 3/8”F.NPT for vent piping.  
  • With 15 PSIG inlet pressure, the regulator is designed to not pass more than 2 PSIG downstream with the seat disc removed, per NFPA 58.  
  • Incorporates a integral relief valve  
  • Unique bonnet vent profile minimizes vent freeze over when properly installed.  
  • Compact design saves space.  
  • Built in pressure taps 1/8” F.NPT on both regulator inlet and downstream side of the regulator. Plugs can be removed with a 3/16” hex Allen wrench.  
  • Select brown finish.


Materials

Body...........................Zinc
Bonnet .......................Zinc
Spring ........................Steel
Seat Disc ...................Resilient Rubber
Diaphragm ..................Integrated Fabric and Synthetic Rubber

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