Parts Temp Probe (1/2 NPT) PreviousSensor Cable (3 meter) - Fits Ruby Pro Electric Systems NextTemp Probe (Weldless) Temp Probe (1/2 NPT) Temp Probe (1/2 NPT) $38.00 Quantity: Add To Cart Facebook0 Twitter Pinterest0 You Might Also Like Sold Out Temp Probe 4" (Weldless) $45.00 Temp Probe (Weldless) $42.00 Sensor cable (for gas fired systems) - New Style (identical ends) from $22.00 Sensor Cable - Fits Ruby Pro Gas Fired Systems from $36.00 Temp Probe (Ruby Pro) $50.00