Xintex 2 Channel Propane Detector - Square Bezel - Plug In Sensor

The s-2a-nv propane monitor/controller features include low current draw, plug-in sensors (second sensor optional), display module fault light/alarm to indicate a malfunction in either one of the sensors. (fault indicators show that the module or sensors are not working and may need repair). Solenoid valve not included. Features: a microprocessor-controlled two-channel monitor with automatic solenoid valve on/off switch. A "press to test" button for each channel confirms function. Module size: 4.75?¦ñ inch x 3.75?¦ñ inch x 7/8'' inch. Available in black. Manufacturer: fireboy-xintex. Blower relay = none. Fume type = none. Generator shutdown = none. Sensors included = none. Voltage - input range (volts) = none.