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Natural gas or Lp (Propane) gas
V2 slow opening 20s MAX @ 70F & fast closing (<1 s)
Though combustion blocks are not necessary for proper operation
8 sec travel for 90 deg
position proportional w 135 deg pot
266930 – Dungs GMH-A4-4-8 Gas Pressure Switch, High, 40-200″ W.C. Manual Reset Pipe Mount Natural gas or Lp (Propane)In Stock Description The GAO , GMH and GML A4 ventless pressure switches are adjustable pressure switches for automatic burner controls. These pressure switches are suitable for making and or breaking a circuit when the medium pressure changes relative to the set point. The set point can be set in the field by an adjustable dial with an integrated scale. Test nipple integrated in metal housing to verify set point. Application The GAO , GMH , and GML
