Heat-Timer Brass Sensor Well 3/8" ID X 1/2" NPT
Brass Tube Hot Water Sensor Only ( 3/8" OD with 8" of wire)
Pyromation 1000F Stainless Steel Well
10" Sensor Probe Hi Temp (950ºF/500º C)(Only use w/ Digi SPC 950F & Stack Sensor)