Continue shopping “473665 GENUINE Pentair ThermalFlo Ultratemp ETi Hybrid Heat Pump Probe Thermistor Defrost Sensor” has been added to your cart. Product Price Quantity Total × 473665 GENUINE Pentair ThermalFlo Ultratemp ETi Hybrid Heat Pump Probe Thermistor Defrost Sensor $38.40 473665 GENUINE Pentair ThermalFlo Ultratemp ETi Hybrid Heat Pump Probe Thermistor Defrost Sensor quantity $38.40 Cart totals Subtotal $38.40 Shipping Shipping costs will be calculated once you have provided your address. Total $38.40 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update