Fireboy S-2A Propane Monitor & Control -
Allows you to turn the propane on and off and continuously monitors the system for leaks. In the event of a leak, the unit automatically shuts off the flow of gas and sounds an alarm. Includes a two-channel display module, propane sensor, and automatic solenoid valve with 1/4'' NPT ports. A second sensor can be added to the system on the second channel. Sensors have 20' leads. Panel size: 4 3/4''W x 3 3/4''H.