Optimum Pool Technologies® Heater Repair Kit Compatible Replacements for Pentair® MasterTemp & Max-E-Therm - Thermistors & Switches

£160.00 In Stock
Ships from US, Arrives in 10-17 business days
Item can be returned in its original condition for a full refund or replacement within 30 days of receipt.
Delivery:
28
May2025
-
06
June2025
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check$5 Credit If Delayed
checkFull Refund If Item Is Damaged
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Optimum Pool Technologies® Heater Repair Kit Compatible Replacements for Pentair® MasterTemp & Max-E-Therm - Thermistors & Switches

Optimum Pool Technologies® Heater Repair Kit Co...

£160.00

Product Details
  • Kit Includes: Stack Flue Sensor, Thermistor, Pressure Switch, Hi Limit Switch 135°F & Gas Shutoff Switch 140°F.
  • Compatible Replacements for Part Numbers: 42002-0024S, 42001-0053S, 42001-0060S (3902), 42002-0025S, 42001-0063S.
  • All parts compatible replacements for Pentair Master Temp & Max E Therm Pool Heaters
  • Manufactured by Optimum Pool Technologies
  • NOTE: This is a compatible aftermarket replacement part. The manufacturers' names and part numbers have been used for reference purposes only. Optimum Pool Technologies Inc is an independent brand.

  • Manufacturer: Optimum Pool Technologies
  • Model Number: OPT-MTP-KIT
  • Part Number: OPT-MTP-KIT

A stack flue sensor, located on the exhaust elbow of a pool heater, prevents the flue gas output from exceeding 500°F. When this fails, your system will show error codes E05 or E06 to indicate that the stack flue sensor must be replaced.Thermistors often display a temperature that is much too high when they reach the end of their lifespan. The Thermistor is designed specifically to be a compatible replacement for Pentair Sta-Rite thermistor sensor for Master Temp pool heaters. This compatible replacement for Pentair Heater Pressure Switch is a safety mechanism designed to detect water flow in your heater using pressure. This compatible replacement for Pentair Sta-Rite Gas Shutoff Switch is an important switch in your Max-E-Therm or MasterTemp pool heater, and is used to detect when your heat exchanger outlet temperature has exceeded a safe level (140°F) and the switch immediately opens when that happens. You MasterTemp heater will indicate when it is time to replace the High Limit Switch when the “AGS” LED is displayed. This compatible replacement for Pentair Sta-Rite High Limit Switch is an important switch in your Max-E-Therm or MasterTemp pool heater, and is used to detect when your water temperature has exceeded a safe level (135°F) and immediately opens the heat exchanger outlet when that happens. You MasterTemp heater will indicate when it is time to replace the High Limit Switch when the “HLS” LED is displayed. Compatible Replacement for: 42002-0024S, 42001-0053S, 42001-0060S (3902), 42002-0025S, 42001-0063S.

 

Shipping Summary

We currently ship exclusively to addresses within the United Kingdom.

Standard International Shipping from the United States to the United Kingdom is available at a flat rate of £9.99.


Shipping Time & Methods

Estimated Delivery Time: 10–17 business days
This total includes both processing and transit times.

  • Processing Time: All orders are processed and dispatched within 1–3 business days of purchase.

  • International Transit (US to UK):
    Orders are initially shipped via FedEx from our U.S.-based fulfillment centers.
    Average international transit time is 4–10 business days.

  • Domestic Delivery within the UK:
    Once the shipment arrives in the United Kingdom, it is handed over to Royal Mail for final delivery.
    UK domestic delivery typically takes an additional 3–4 business days.

Shipping times may vary depending on the product’s fulfillment center and any customs processing that may be required.

Please note that while most packages arrive within the estimated timeframe, unexpected delays may occur due to factors such as customs inspections, public holidays, weather disruptions, or other unforeseen circumstances. Delivery dates are not guaranteed, as final transportation is managed by third-party carriers.


Tracking Information

You will receive a tracking number via email once your order has been dispatched.
Products may be shipped from different fulfillment centers depending on availability and inventory levels.


Delivery Information

Orders are delivered directly to most addresses within the United Kingdom, with the exception of P.O. boxes.

In certain remote or rural areas, additional delivery fees may apply. In such cases, you may be required to collect your parcel from the nearest shipping partner’s location.

Refund & Return Policy

Overview

We want you to be satisfied with your purchase. Please review our refund and return policy to understand how to proceed if you need to return an item or request a refund.


Order Cancellations

Canceling Your Order Before Shipping:
You can cancel your order within 2 hours of placing it. To do so:

  1. Log in to your account and cancel the order directly.

  2. Alternatively, email us immediately at cs@everymarket.uk with your order details.

If More Than 2 Hours Have Passed:
If it's been more than 2 hours since you placed your order, you will need to contact our customer service team for assistance. Please email us at cs@everymarket.uk with your order details.

Once Your Order Has Shipped:
Unfortunately, we cannot cancel orders once they’ve been shipped. In that case, you can return the item by following our return process.


Return Policy

Return Period: You have 30 days from the date of delivery to request a return.
Item Condition: Products must be unused, unwashed, and in their original packaging with all tags attached.
Return Shipping Costs: Customers are responsible for return shipping fees unless the item is defective.
Return Approval: Returns must be approved before sending items back. Contact us at cs@everymarket.uk to begin the process.


How to Initiate a Return

  1. Contact our support team at cs@everymarket.uk with your order number and reason for the return.

  2. If approved, we will provide a return shipping label and detailed instructions.

  3. Pack the item securely and send it back using a trackable shipping method.

  4. Once received and inspected, we will process your refund or exchange.


Defective or Damaged Products

If you receive a defective, damaged, or incorrect item, please contact us immediately.
Return Eligibility: Used defective items may be returned if the defect is confirmed.
Shipping Costs: We will cover the return shipping cost for defective or incorrect items.
Refund: A full refund, including original shipping costs, will be issued for defective items.


Returns for Customer Remorse (Changed Mind, Wrong Item Ordered)

Eligibility: Items may be returned within 30 days if they are unused and in their original condition.
Shipping Costs: Customers are responsible for return shipping fees.
Refund: Original shipping costs are non-refundable for remorse-based returns.


Items Not Eligible for Return

  • Electronic devices after 30 days (e.g., laptops, tablets, Kindles)

  • Gift cards and prepaid game cards

  • Perishable goods, some jewelry, and personal care items

  • Customized or personalized products

  • Items with special shipping restrictions


Refund Process

Processing Time: Refunds are issued within 3-5 business days after we receive and inspect the returned item.
Refund Method: Refunds are credited to the original payment method or as store credit for purchases made with gift cards.
Bank Processing: Please allow additional time for your bank to process the refund.


Exchanges

To exchange an item quickly, return the original product and place a new order for the replacement.


Return Address

EveryMarket Customer Service
22 Larch End, Uckfield, TN22 5GE


Customer Support

Our support team is available 24/7 for any questions or assistance.
📧 Email: cs@everymarket.uk

 

  • Kit Includes: Stack Flue Sensor, Thermistor, Pressure Switch, Hi Limit Switch 135°F & Gas Shutoff Switch 140°F.
  • Compatible Replacements for Part Numbers: 42002-0024S, 42001-0053S, 42001-0060S (3902), 42002-0025S, 42001-0063S.
  • All parts compatible replacements for Pentair Master Temp & Max E Therm Pool Heaters
  • Manufactured by Optimum Pool Technologies
  • NOTE: This is a compatible aftermarket replacement part. The manufacturers' names and part numbers have been used for reference purposes only. Optimum Pool Technologies Inc is an independent brand.

  • Manufacturer: Optimum Pool Technologies
  • Model Number: OPT-MTP-KIT
  • Part Number: OPT-MTP-KIT

A stack flue sensor, located on the exhaust elbow of a pool heater, prevents the flue gas output from exceeding 500°F. When this fails, your system will show error codes E05 or E06 to indicate that the stack flue sensor must be replaced.Thermistors often display a temperature that is much too high when they reach the end of their lifespan. The Thermistor is designed specifically to be a compatible replacement for Pentair Sta-Rite thermistor sensor for Master Temp pool heaters. This compatible replacement for Pentair Heater Pressure Switch is a safety mechanism designed to detect water flow in your heater using pressure. This compatible replacement for Pentair Sta-Rite Gas Shutoff Switch is an important switch in your Max-E-Therm or MasterTemp pool heater, and is used to detect when your heat exchanger outlet temperature has exceeded a safe level (140°F) and the switch immediately opens when that happens. You MasterTemp heater will indicate when it is time to replace the High Limit Switch when the “AGS” LED is displayed. This compatible replacement for Pentair Sta-Rite High Limit Switch is an important switch in your Max-E-Therm or MasterTemp pool heater, and is used to detect when your water temperature has exceeded a safe level (135°F) and immediately opens the heat exchanger outlet when that happens. You MasterTemp heater will indicate when it is time to replace the High Limit Switch when the “HLS” LED is displayed. Compatible Replacement for: 42002-0024S, 42001-0053S, 42001-0060S (3902), 42002-0025S, 42001-0063S.

 

Shipping Summary

We currently ship exclusively to addresses within the United Kingdom.

Standard International Shipping from the United States to the United Kingdom is available at a flat rate of £9.99.


Shipping Time & Methods

Estimated Delivery Time: 10–17 business days
This total includes both processing and transit times.

  • Processing Time: All orders are processed and dispatched within 1–3 business days of purchase.

  • International Transit (US to UK):
    Orders are initially shipped via FedEx from our U.S.-based fulfillment centers.
    Average international transit time is 4–10 business days.

  • Domestic Delivery within the UK:
    Once the shipment arrives in the United Kingdom, it is handed over to Royal Mail for final delivery.
    UK domestic delivery typically takes an additional 3–4 business days.

Shipping times may vary depending on the product’s fulfillment center and any customs processing that may be required.

Please note that while most packages arrive within the estimated timeframe, unexpected delays may occur due to factors such as customs inspections, public holidays, weather disruptions, or other unforeseen circumstances. Delivery dates are not guaranteed, as final transportation is managed by third-party carriers.


Tracking Information

You will receive a tracking number via email once your order has been dispatched.
Products may be shipped from different fulfillment centers depending on availability and inventory levels.


Delivery Information

Orders are delivered directly to most addresses within the United Kingdom, with the exception of P.O. boxes.

In certain remote or rural areas, additional delivery fees may apply. In such cases, you may be required to collect your parcel from the nearest shipping partner’s location.

Refund & Return Policy

Overview

We want you to be satisfied with your purchase. Please review our refund and return policy to understand how to proceed if you need to return an item or request a refund.


Order Cancellations

Canceling Your Order Before Shipping:
You can cancel your order within 2 hours of placing it. To do so:

  1. Log in to your account and cancel the order directly.

  2. Alternatively, email us immediately at cs@everymarket.uk with your order details.

If More Than 2 Hours Have Passed:
If it's been more than 2 hours since you placed your order, you will need to contact our customer service team for assistance. Please email us at cs@everymarket.uk with your order details.

Once Your Order Has Shipped:
Unfortunately, we cannot cancel orders once they’ve been shipped. In that case, you can return the item by following our return process.


Return Policy

Return Period: You have 30 days from the date of delivery to request a return.
Item Condition: Products must be unused, unwashed, and in their original packaging with all tags attached.
Return Shipping Costs: Customers are responsible for return shipping fees unless the item is defective.
Return Approval: Returns must be approved before sending items back. Contact us at cs@everymarket.uk to begin the process.


How to Initiate a Return

  1. Contact our support team at cs@everymarket.uk with your order number and reason for the return.

  2. If approved, we will provide a return shipping label and detailed instructions.

  3. Pack the item securely and send it back using a trackable shipping method.

  4. Once received and inspected, we will process your refund or exchange.


Defective or Damaged Products

If you receive a defective, damaged, or incorrect item, please contact us immediately.
Return Eligibility: Used defective items may be returned if the defect is confirmed.
Shipping Costs: We will cover the return shipping cost for defective or incorrect items.
Refund: A full refund, including original shipping costs, will be issued for defective items.


Returns for Customer Remorse (Changed Mind, Wrong Item Ordered)

Eligibility: Items may be returned within 30 days if they are unused and in their original condition.
Shipping Costs: Customers are responsible for return shipping fees.
Refund: Original shipping costs are non-refundable for remorse-based returns.


Items Not Eligible for Return

  • Electronic devices after 30 days (e.g., laptops, tablets, Kindles)

  • Gift cards and prepaid game cards

  • Perishable goods, some jewelry, and personal care items

  • Customized or personalized products

  • Items with special shipping restrictions


Refund Process

Processing Time: Refunds are issued within 3-5 business days after we receive and inspect the returned item.
Refund Method: Refunds are credited to the original payment method or as store credit for purchases made with gift cards.
Bank Processing: Please allow additional time for your bank to process the refund.


Exchanges

To exchange an item quickly, return the original product and place a new order for the replacement.


Return Address

EveryMarket Customer Service
22 Larch End, Uckfield, TN22 5GE


Customer Support

Our support team is available 24/7 for any questions or assistance.
📧 Email: cs@everymarket.uk

 

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