Baso H91RV-2 BasoTrol Automatic Gas Valve for Natural and LP Gas. The operating pressure is up to 0.5 PSI and equipped to a capacity of 325,000 BTU/HR.  The valve has a 3/4" threaded connection, two 1/8"-27 NPT Pilot Taps, 1/8"-27 NPT Pressure Tap, and 1/4" tab terminals.

The H91 Series Shutoff Valves is used for gas flow control on gas-fired appliances. Suitable to the following gases: natural gas, Liquefied Petroleum (LP) gas, manufactured gas, mixed gas, or LP gas-air mixtures.  The valve function is to automatically open and close the valve prompt by a control device or a thermostat. 

The H91 Series valves are made of cast aluminum material and it has a spring-loaded seat disc. Electrically operated with two wires and can operate over a temperature range of -40 to 175°F (-40 to 79°C).  It can work as an alternative or replacement for solenoid type valves on gas appliances. The series features wide operating voltages and various magnetic operator cover style options.