Continue shopping “Original Pentair ThermalFlo Ultratemp ETi Hybrid Heat Pump Probe Thermistor Defrost Sensor 473665” has been added to your cart. Product Price Quantity Total × Original Pentair ThermalFlo Ultratemp ETi Hybrid Heat Pump Probe Thermistor Defrost Sensor 473665 $41.01 Original Pentair ThermalFlo Ultratemp ETi Hybrid Heat Pump Probe Thermistor Defrost Sensor 473665 quantity $41.01 Cart totals Subtotal $41.01 Shipping Shipping costs will be calculated once you have provided your address. Total $41.01 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update