Product Price Quantity Total × 42001-0053S Pentair Replacement MasterTemp Sta-Rite Max-E-Therm Pool Heater Thermistor $16.44 42001-0053S Pentair Replacement MasterTemp Sta-Rite Max-E-Therm Pool Heater Thermistor quantity $16.44 Cart totals Subtotal $16.44 Shipping Shipping costs will be calculated once you have provided your address. Total $16.44 Proceed to checkout — OR — Calculate shipping Country / region: Select a country / region… United States (US) State / County: City: Postcode / ZIP: Update