This listing is for one (1) Sensor Probe. 

Baso Gas Products
Y75AA-2C 
Baso Gas Products - Johnson Controls - Penn Baso
 Flame Sensor Probe
These sensors may be used to replace broken or damaged sensing probes in G60, G65, G67, G600, G670 or G770 electronic ignition controls
A Y75 sensing probe of single construction can be
used to sense main burner flame. In DSI, HSI and
IPI applications, the sensor is used as a remote
sensor or in conjunction with a pilot burner
assembly. If flame is sensed, the ignition control
allows the main gas valve to remain open until the
appliance thermostat is satisfied.