* Large vent helps prevent blockage and has 3/4" F.NPT for vent piping.
* With 15 PSIG inlet pressure, regulator is designed to not pass more than 2 PSIG with the seat disc removed.
* Incorporates integral relief valves.
* Replaceable valve orifice and valve seat disc.
* Straight line valve closure reduces wear on seat disc.
* Unique bonnet vent profile minimizes vent freeze over when properly installed.
* Large molded diaphragm is extra sensitive to pressure changes.
* Built in pressure tap has plugged 1/8" F.NPT outlet. Plug can be removed with a 3/16" hex allen wrench.
* Select brown finish.
Designed to reduce first stage pressure of 5 to 20 PSIG down to burner pressure, normally 11" w.c. Ideal for medium commercial installations, multiple cylinder installations and normal domestic loads.