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Pentair Mastertemp & Max-E-Therm Thermistor 42001-0053S

Pentair SKU: 42001-0053s
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Pentair Mastertemp & Max-E-Therm Thermistor 42001-0053S

Pentair SKU: 42001-0053s
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Regular price $99.99
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Pentair Mastertemp & Max-E-Therm Thermistor 42001-0053s

Ensure your pool or spa heater operates efficiently with the Pentair Thermistor 42001-0053s, a crucial replacement part designed for precise temperature regulation. This thermistor and water sensor is compatible with several high-performance heaters, including the ETI400, Mastertemp, and Sta-Rite Max-E-Therm models.

This replacement thermistor is tailored specifically for the electrical systems of Pentair Sta-Rite Max-E-Therm and MasterTemp pool and spa heaters. Its role is critical in providing accurate temperature readings to the heater's control system, ensuring optimal heating performance and energy efficiency.

Key Features:

  • Thermistor Replacement: Direct replacement for the original part, ensuring continued accuracy and performance.
  • Compatibility: Fits perfectly with the electrical systems of both Pentair Sta-Rite Max-E-Therm and MasterTemp pool and spa heaters.
  • Accurate Temperature Sensing: Essential for maintaining the desired water temperature and efficient heater operation.

Installing the Pentair Thermistor 42001-0053s is a straightforward way to maintain the efficiency and reliability of your heating system, helping to extend the life of your pool or spa heater while ensuring consistent, comfortable water temperatures.

SKU: 42001-0053S

Hours Of Operation: 

Monday - Friday: 8:00 am to 4:00 pm Phoenix Time

Saturday and Sunday: Closed

  • Orders costing more than  $300 WILL be required to have signature confirmation upon delivery.
  • Handling time is typically only 1 day.   
  • Any item ordered after 1pm Phoenix time, may not ship same-day.
  • Call us if you require expedited shipping and we can give you quotes based on your needs.

Return Policy:

  • All products, except as noted below, are eligible for return up to 30 days after receipt of item.
  • For returns, an RMA form must be filled out HERE or customers can call for additional help.
  • Shipping costs will be deducted from all returned items.
  • Any item that is missing accessories, original packaging, or is not returned in the same condition that it was received in, may be subject to a re-stocking fee up to 100% based on the condition we receive it in. 
  • Items broken, damaged, or inoperable due to installer error will not be refunded.
  • Fill out the return form or give us a call to obtain an RMA and return shipping label.
  • There are no returns on the Pentair Colorsync 618031
  • No returns on pool cleaners.
  • No returns on opened seals and o-rings.
  • No returns on capacitors.
  • If a light is returned because it "doesn't work" and it tests fine, the cost to ship and a re-stocking fee will be deducted from the refund.
  • All products denied upon arrival at customers house WILL be charged the cost to ship.
  • Visa Gift Card Promotions: Gift cards are sent within 14 days of the order. When accepting the Visa Gift card, you agree that if your order is returned or refunded, this amount will be deducted from the refunded amount. All Visa Gift cards are sent via email in an E-Gift Card format and are non refundable.